None
For the sunlight test expose impressions under glass for 10 days to direct sun, rating at the end of the third, seventh, and tenth days. The tests with reagents are considered of less use than the other tests, and are not always applied. RUBBER-STAMP IRKS. 1. Preparation and Care of Sample. — The precautions given in regard to the care of samples of inks made with an oil base should be observed. 2. Change of Weight on Exposure to Air. — ^This estimation should be conducted in the manner described for the estimation of volatile matter in inks made with an oil base. Rubber-stamp inks, however, gain or lose in weight according to the constituents used in their manufacture and according to atmospheric conditions. A rubber-stamp ink should not, however, imdergo very much greater changes in weight when exposed to the air under given conditions than diluted glycerin containing 75% of glycerin and 25% of water by volume. 3. Penetrating Power. — ^This test should be conducted in the manner described for inks made with an oil base. 4. Sedimentation Test. — This test should be conducted as de- 686 INKS. scribed for inks made with an oil base, with the exception that the portions of ink shovild be diluted with water instead of with ox:ganic solvents. 5* Estimation of Lampblack and Other Constituents. — A scheme of analysis similar to that described for inks made with an oil base should be employed. Some experiments will be necessary in most cases to ascertain the proper solvent to be used in the case of each saqiple of ink to be examined. Alcohol, however, will generally be foimd to be satisfactory for rubber-stamp inks. This test is difl&cult and can not be carried out without a slight loss. To make the loss as small as possible use a very thick felt of asbestos and make the filtration continuous — ^never allow the gooch to run empty; if it does run empty, it is generally better to begin all over again. 6. Resistance to Light and Reagents. — The remarks made in regard to the investigation of the resistance of cancellations made with oil inks apply in general to cancelling and other inks for use with rubber stamps. Materials Used for the Manufacture of Cancelling and other Stamping Inks. 1. Volatility and Penetrating Power. — ^The methods which have been described above will be foimd useful in determining the smtability of liqmds for use as bases or constituents of bases of cancelling and other stamping inks. 2. Sedimentation Test. — ^A modification of the sedimentation test described may be employed with good results for the purpose of ascertaining the suitability of lampblack and other pigments for use in the manufacture of cancelling and other stamping inks. The results, of course, are mainly of value for purposes of comparison. The conditions of the test may be modified to suit the purposes of the investigation and the character of the materials to be compared. The writer has obtained good results in the comparison of lampblacks and other blacks rich in imcombined carbon by the following method, which was so planned that the results might be applied to stamping inks made with either a water-soluble base or an oil base: Mix 0.5 grm. of the black to be tested in a mortar with dilute glycerin (87.5 c.c. of glycerin diluted with water to i litre). Rinse the mixture into a 100 c.c. Nessler cylinder and dilute to the 100 c.c. mark, using the RUBBER-STAMP INKS. 687 same dilute glycerin. After having prepared a series of tubes, each containing a portion of one of the blacks to be tested, dose each tube with a cork and shake thoroughly each tube successively, performing the operation as quickly as possible in order that the time of settling may be approximately the same in the case of each sample. Allow the cylinders to stand at rest in a place free from jar, and record from time to time the height of the sediment formed by the deposition of the blacks. When submitted to this test, a black which is suitable for the manufacture of a cancelling or stamping ink should occupy a volume of not less than 25 c.c. when the sediment has stopped settling. 3. Ashy etc. — Blacks, dyes, and other substances used for the manufacture of cancelling and other stamping inks should be carefully examined to insure the absence of considerable percentages of substances which are not essential to the production of an ink of good quality. It can generally be assumed that the presence of considerable quantities of any substance which does not actually contribute to the desirable qualities of the ink will detract therefrom. Black pigments rich in carbon of high sp. gr., due to the presence of a large percentage of ash, are highly unsuitable for the manufacture of stamping inks. Only the concentrated brands of coal tar dyes should be used, unless the sub- stances with which the less concentrated are diluted have been found to actually contribute to the working qualities of the ink to be pro- duced. TYPEWRITER RIBBONS. The methods of testing typewriter ribbons given here are those which have been used in the Bureau of Chemistry, U. S. Department of Agri- culture (Bulletin 109, Revised). The important things to be ascertained in a typewriter ribbon are length, width, typefilling, character of record (and of copy if it is a copy ribbon), life of ribbon, and resistance of record and copy to reagents and sunlight. Length and width are frequently specified and these should be recorded, but the rating should be based entirely on quality. Typefilling. — Take a sufficiently long section of the ribbon on a suitable typewriter (for wide ribbon use a Remington No. 6 and for a narrow ribbon an Underwood No. 5). Carefully clean the small letter e, and using the standard paper used for ink testing make records of the small letter e, striking the key with as uniform a stroke as possible. Continue writing the letter e until the loop fills so as to demand cleaning the type, or until Sooo impressions have been made. Ribbons which give Sooo dear impressions are given a maximum rating on typefilling, though the test may be carried as much further as may be desired.* Character of record may be determined by examining the sheets from the typefilling test. Note colour, clearness, whether the ribbon appears over- or under-inked, and the tendency to smear. If the ribbon is a copy ribbon make a press copy of the record and make the same observations on the copy and copied origin^ as on the original record. Life of Ribbon. — ^For this test the special machine in figure 8 is used. The machine has ten type, the letters A, E, I, O, U, both capi- tals and small letters. Each type is mounted on the end of a plunger weighing 60 grm. The plunger is raised by a cam and a uniform blow is obtained by allowing it to fall freely for i.S cm. The plungers fall one after another in a manner similar to that on a typewriting machine, except that each type strikes a different part of the ribbon from the other type; but the successive blows from the same type fall 1 It is e](C««dinBly difficult for an operator to ua« a uoifonn ■troke in nuldo^ tluB test. This malics the compsrison rsth« difficult. In order to avoid tlu psnoiuU equBlion, ttnce wiitjng the above, the author h« had cnratructed a mschioc for uiuuiuticaUy stiilciDf Ihe Icttc "e". This machine is attached to a standard typewriter, the imtive power b«nf a low speed elociric motor, which, hy a >uilable system of gearioB, operate* a hainmBr which strikes the letter "e" a peifeclly uniform stroke. When the catriage has proceeded to the end of its conr«, a blank portion ' ' "' "" '"' " " ' ' "' ■""" and shift* ,the roll lo that the ope ■ operaCea a pulley which draws thJe carriage back CARBON PAPERS. 689 on the same spot on the ribbon. The cams are operated by a geared mechanism which is operated from an electric motor connected to the testing machine proper by a belt. When a complete line has been struck, the platen roll is moved forward one space automatically. The ribbon is clamped firmly at one end and the other end passes over a bar and has clamped to it a weight of 45 grm., thus insuring a uniform tension on all ribbons tested. The paper, in strips 14 cm. wide and 41 cm. long (51/2x16 inches), or fed from a long roll (as shown in the figure), works under the ribbon as in a typewriter. The life of the ribbon is measured by the number of lines of writing which can be made before one or more holes wear in the ribbon, or before one or more type fail to make a clear impression. Resistance to Sunlight and Reagents.— Cut up the sheets used in determining typefilling and character of record, and subject original, copy, and copied original to the same tests as to resistance to simlight and reagents that are used on writing inks. Expose to sunlight for at least 14 days, or longer if possible. Rating. — Length and width are recorded, but are not included in the rating which is based on quality only, the ribbons being marked on a scale of 100. Typefilling is given a maximum rating of 5 and is marked as follows: 1000 or fewer clear impressions of the small letter e i 1000 to 3000 clear impres^ns of the small letter e 2 3000 to 5000 clear impressions of the small letter e 3 5000 to 8000 clear impresaons of the small letter e 4 8000 or more clear impressions of the small letter e 5 Character of record is given a maximum rating of 20 Life of ribbon is given a marimnm rating of 10 Re^tance to reasents is given a maximum rating of 20 Reastance to sunlight is given a maximum rating of 45 CARBON PAPERS. • The practical testing of carbon paper consists in making a carbon copy, using a good quality of medium weight writing paper, such as is used in testing typewriter ribbons, on the special machine used for testing the life of ribbons. The i^cord is examined in the same manner as the ribbon record and is rated as follows: Character of record is raven a maximum rating of 35 Reastance to reagents is given a maximum rating of 20 Re^stance to sunught is given a maximum rating of 45 Total maximum 100 Vol. V. — 44 690 INKS. No test need generally be made of the life of a carbon paper, since when struck in the same place all papers are very soon exhausted, no practical difference in this respect having been observed. Of course, in actual use a number of impressions can be made since the type seldom strike in the same place. INDEX. Absosption-spbctsa of colouring mat- ters, 435 Acada, 39 aiigica,^7 catechu barky 47 Aoetene Blue, 327, 338 Add Alizarin Blue BB, GR, 222 Alizarin Green B, G, 222 Blue 6b, 274 Brown G, 163, 166 Brown R, 163, x66 colours, stripping test for, 518 colours, transference to wool, 518 eosin, 294 Green, 242, 278 (Bluish), 278 D, etc., 242, 278 extra oonc, 278 JL 242 M, 242, 278 SOF, 243 Magenta, 249, 268 Mimng Scarlet, 200 Ponceau, 152 Rosamine A, 308 test, 484 violets, 258 Violet 6B, 4B extra, 276 6B, 4BN, 258 6B, 7B, 5BK, 4BN, 6BN, 7BW, 5BNS, 6BNS, 7BS, 268 4R. 308 4 RS, 282 yellow, 134, 141, 144 D, G, r38 S, 128 Acme yellow, X39 Acridene dyes, 360 Acridine Dyestuffs, 358 Orange, 363, 366 R,366 Red, 3B, B, BB, 288 B, 2B, 3B, 302 Alizarin, 206 No. I, No. 6, No. xo, V, VI, CA, GD, GI, le, RF, RG, RX, PSC, SDG, SC, SX, SX extra, X, 218 WS, W, SA, 220 Black P, S, 222 S, SW, 2x8 Blue, 209, 220 R, GW, A, DNW, F, R, RR, AB, 220 S, 2x0, 220 Black, SW, 2x8 soluble powder, ABS, 220 Bordeaux B, BD, G, GG, 220 Brown, 2x8 Cardinal, 222 Carmine, 220 Cyanine G, R, 220 Dark Green, 222 i. Garnet R, 222 Green B, G, 346 G, B, 352 S, 220 Indigo Blue S, 220 Maroon, 220 Orange A, OR, OG, N, AO, AOP, 2x8 G, 222 Paste V, G, 2x5 Red, S, 220 -eulphonic add, 208 Violet, 304 for violet, 2r8 Yellow, 220 AC, 218 FS, X90 BG, R, X40, 143 Green, 302 yellow, 366 Adjective dyes, xi8 Alder-tannin, 7 Algarobilla, 37, 50 Algarobo, 50 Alkali Blue, 252, 270 D, 253 D, 6B, XG, 270 commercial, 253 Brown, 152 ~ Green, 270 Red, X78 Alkali test, 484 Violet 6B, 270 Yellow, X40 691 692 INDEX. Alkanet, 433, 636 Alkannin, 43a Alkylated Rosanilines, 256 Alpine Blue, 270 Alsace Green, J, 130 Amaranth, 150 Amethyst Violet, 328 Ammo-a2obenzene-azo-/9-naphthol, 162 Aminobenzene, 205 Amino zesorcinol, 206 a-aminonaphthalene, 305 a-amino-a-naphthol, 206 )9-ammo-a-naphthol, 206 ^aminotoluene, 205 ^amino-diphenylamine, 305 ^amino-phenol, 206 Amthor test, 639 Aniline, 205 Black, 312 inpaste, 314 Blue, 250, 251 spirit, soluble, 284 Blues, sulphonated, 251 Greens, 259 Orange, 363 Pink, 323 Red, 247, 378 Violet, 324 Yellow, 134, 360, 363 Anilino Induline, 327 Anisidine Ponceau, 148 Anisol Red, 148 Anisoline, 299, 306 Annatto, 420, 637 Antimony in dye colours, 478 Anthracene Blue S, 220 WB, WG, WR, 222 Brown R, G, 218 Green, 302 Red, 186 Violet, 304 Yellow, 220 BN, 158 Anthracite Black B, 172 Anthragallol, 211, 218 Anthrapurpurin, 211, 218 Apollo Red, 150 Archil, 637 Red, 161 substitute, 148 G, 3VN, extra, 150 Arnica Yellow, 158 Arsenic tests for, 478 in commercial magenta, 249 Atlas Orange, 139 Atlas Red, 152 Auramine O, 232 Aurantia, 122, 129 Aurin, 270 group, 260 Auronal Black, 378 Aurotone, 270 Austrian bark, 48 Azarin S, 136 Azindone Blue G, R, 328 Azine Blue, 327 Dyestuffs, 316 Green GB, TO, S, 328 Scarlet G, 328 Azo acid Yellow, 139 Azobenzene Red, 161 Azo-Black, 164, 172 Azo Black Blue, 196 Azo Blue, 192 Azo Brown O, 148 Azocarmine B, G, 328 Azo-colouring matters, 133 Azococdn 7B, 161, 162 Azooocdne 7B, 168 Azo Corinth, 196 Azo-dyes, General Analytical Re- actions of, 203 Azo-eosin, 150 Azoflavine, 139, 142, 146 Azo fuchsin B, G, 154 Azo-Green, 270 Azolitmin, 429 Azo Mauve, 192 Azonigrin, 172 Azo Orange R, 196 Azo-orseilUn, 178 Azophcr Red, 203 Azo-reds, 146 Azorubin S, 150 Azo Turkey Red, 156 Azo-violet, 184 Azoxy colouring matters, 132 Azo Yellow, 139 Azuline, 370 Azurine, 251, 346 Babool Bark, 48 Babool Pods, 51 BMe Blue, 335 Barwood, 637 Basic Colours; Tannin Test for. si& Basic Colours; Transference to Wool, 518 Basle Blue R, BB, S, 338 Bavarian Blue, DBF, 255, 380 Bavarian Blue, DSF, 373 Bavarian Blue, spirit soluble, XL, 374 Bengal Blue, 337 Bengaline, 337 Benzaldehyde Green, 341 Benzal Green, 378 INDEX. 693 Benzidine dyestuffs, 176 Benzo-azorin G, 3G, 184 Benzo Black Blue G, 186 Benzo Black Blue 5G, 188 Benzo Black Blue R, 194 Benzo-Bzown B, G, 166 Benzoflavine, 36a, 368 Benzo grey, 180 Benzo Indigo blue, 186 Benzo Olive, 188 Benzo Orann R, 180 Benzo Pure Blue, z88 Benzopurporin B, 194, 202 Benzoporpurin 4B, 177, 192 Benzopurpurin 6B, 192 Benzopuzpurin loB, 184 Benzyl violet, 258, 272 Berbezine, 360 Biebrich Acid Blue (Kalle), 272 Biebrich Scarlet, z6z, 170 Biebrich Scarlet A, z62 Bindschedler's Green, 3Z0 Bismarck Brown, Z63, z66 Bixin, 420 Black and Greys, ezaiziination of, Blackley Blue, 327 Black Test, 484 Bleu de Nuit, 284 Bleu fluorescent, 343 Bloom on leather, 4 Blue-black B, Z72 Blue Coburs; examination of 455 Blue Shades; examination of, 494 Bordeaux B, Z52 Bordeaux BX, z68, Z70 Bordeaux, C. O. Chrome Violet, 956 Chrome Violet tBayer) 279 Chrome Violet (Gcagy), 26a, 272 Chrome Yellow D, 158 Chroming of hide powder, 82 Chromone, 286 Chromotrope 2B, 8B, zoB, 2R, 154 Chromotrope, 6B, 156 Chxysamine G, 177, 178 Chzysamine R, 190 Chiysaniline, 360, 363, 368 Chiysarobin, 227 Chiysaurein, 139 Chxyseolin, 139 Chiysodine, 134 Chiysoidin R, 156 Chxyaoin, 139, 142 Chiyaoliii, 292, 302 Chzysophanic Add, 227 Chiysophenin, 198, 202 Cinchotannic add, 7 Cimiamon Brown, 263 Citronin, 128 Clayton Fast Blades. 695 Dextrin, 477 Diamine Black B, 184 Diamine Black R, 180 Diamine Blue B, BB, 182 Diamine Blue BX, 3B, 194 Diamine Blue 3R, 184 Diamine Blue Black £, 184 Diamine Bronze G, i8a Diamine Brown V, x8a Diamine Catechin, 188 Diamine Fast Red, 182 Diamine Gold, 170 Diamine Green B, 182 Diamine Pure Blue, 188 Diamine Red 3B 192 Diamine Red 3B, 192 Diamine Red NO, 182 Diamine Scarlet B, 178 Diamine Sky Blue, 184 Diamine Violet N, 182 Diamine YeUow W, 190 p-Diamino-benzene, 206 Diaminotrip^enylmethane Dyestuffs, 239 ^ Diamond Black, 172 Diamond Flavin G, 156 Diamond Green, 278 Diamond Green G, 242 Diamond Yellow G 154, 158 Diamond Yellow R, 154 Dianil Black, 188 Dianisidine Blue, z88 Dianol Red 2B, 196 Dianthin B, 296 Dianthin G, 304 ^Diazobenzene-sulphonic Acid, 134 DibromoHdinitio-fluorescein, 296 Di^ic add, 7 m-Dihydroxy-azobenzene, 135 Dimethyl-amino-azo-benzene, 135 Dimcthylaniline Orange, 138 Dimethyl-^iamino-benzene, 206 Dimethylphcnosafranine, 334 Dinitro-a-naphthol, 125 • Dinitxo-a-naphthol-sulphonic add, 127 Dinitrosoresorcinol, 131 Diozin, 130, 131 Diphenylamine, 205 Diphenylamine Blue, 250 Diphenylamine Blue spirit soluble, 274 Diphenylamine Orange, 138 Diphenylamine Yellow, 141, 145 Diphenyl Catechin G, 174 Diphenyl Chiysoin RR, 174 Diphenyl Fast Brown G, 174 Diphenylmethane, 231 Diphenyl Orange RR, 139 Direct Blue B, 186 Direct Blue R, 194 Direct Brown J, 168 Direct Grey, 314 Direct Grey B, 194 Direct Grey R, i8o Direct Red, 190 Direct Red B, 178 Direct Violet, 256 Direct Yellow, 190 Direct Yellow G, X32 Divi-divi, 35, 42, 50 Doebner's Violet, 239 Double Brilliant Scarlet G, 3R, 152 Double Green, 259 Double Scarlet, z6i, 170 Double Scarlet Extra S, 152 Dreaper Volumetric Copper method of tannin assay, 70 Durophenene Biown, 314 Dyed Fabrics; General Reactions of, 539^ 621 Dyed Fibres; Chemical Examination <rf,485 Dyed Fibres; Physical, Examination of, 482 Dyed Fibres; Tables of Reactions of, 5" Dyes and Colouring Matters; Classi- fication of, 1x9 Dyestuffs on Animal Fibres Identi-> fication of, 489 ECT.IPSE Red, 192, 380 Eclipse YeUow (Geigy), 376 Eosin A, yellowish, G extra, GCF, 3 J 4j, BN safrosin, 302 Eosin B, BW, BW, BHB, J, 296 Ek>sin BB, 297 Eosin B extra, C, soluble, 295 Eosin zoB, 297, 306 Eosin Blue-Shade, 296 Eosin bluish, 304 Eosin J, 304 Eosin S, 297 Eosin Scarlet, 296 Eosin Scarlet B, 296, 302 Ellagic add, 6, 23 Ellagitannic Add, 7, 23. Emerald Green, 242, 274 Erica, 374 Eriocyanine A, 274 Erioglaudne, 243 Erioglaudne A, 274 Erythrin Methyl Eosin, 304 Eiythrin X, 168 Erythrosin, 296 Exythrosin B, 296, 297, 304 Eiythrosin D, 296, 304 696 INDEX. Ezvthrosin G, 296, 304 Ethyl Blue, 251 Ethyl-eosin, 297 Ethyl Eosin Rose JB, 304 Ethyl Green, 243, 374 Ethyl Purple 6B, 276 Ethyl Violet, 276 Eurhodines, 320 European official method of testing tannin materials, 7r Extract; determination of colour in, 95 Extraction of the colour from diry material, 644 Fast Acid Blue R, 30S Fast Add Ponceau, r56 Fast Add Scarlet 156 Fast Add Violet B, AzR, 308 Fast Add Violet roB, 376 Fast Azo-sranat, 174 Fast Black, 346 Fast Black B, 222, 380 Fast Black BS, 222 Fast Blue, 252, 270 Fast Blue B, R, RR, greenish, 337 Fast Blue 2B, for Cotton, 343 Fast Blue-black, 346 Fast Blue R, 327, 330 Fast Brown, 163, r66 Fast Brown (Bayer), 163, r66 Fast Brown 3B, 152 Fast Brown G, r63, r66 Fast Brown G (TiUmans), 163 Fast Brown (Meister), 163 Fast Brown N, r48, r59 Fast Cotton Blue B, 343 Fast Green, 378 Fast Green extra (bluish), 376 Fast Green G, 348 Fast Green J, 343 Fast Green M, 346 Fast Green S, 374 Fast Marine Blue BM, G, GM, RM, 348 Fast Marine Blue GM, 343, 348 Fast Myrtle Green, 130 Fast Neutral Violet B, 330 Fast New Blye for Cotton, 336 Fast Ponceau, r74 Fast Ponceau B, 3B, 170 Fast Red, 153 Fast Red A, C, D, iso Fast Red B, r53, 156 Fast Red BT, £, 153 Fast Scarlet, i6r, r63, r7o Fast Violet B, R, r73 Fast Wool green (Kalle), 276 Fast Yellow, 138, r44 Fast Yellow G, N, extra, 138 Fast Yellow R, 138, 141, 144 Fem>tannin, 7 Ferric Chloride test for tannins, 5 Fine Blue, 35r Flavaniline, 359 Flavaniline S, 360, 366 Flaveosin, 363 Flaveosine, 364, 368 Flavin, 413 Flavinduline, 330 Flavone, 386 Flavophenin, 177, 178 Flavopurpurin, 3r3, 3r8 Flesh Foods, 649 Fluoran Dyes, 386 Fluorescein, 390, 304 Fluorescence of colouring matters, 438 Fluorescent Blue, 343, ^416 Fluorescent Resordn Blue, 343 Foods; oolouring matter in, 633 Formyl Violet S 4B, 358, 376 Fruit colors with amyl alcohol, etc; extraction of, 633 Fuchsia, 334 Fuchsine, 347, 378 Fuchsine S, 368 Fulling Test, 484 Fustic, 409 Fustic extract, 637 Gallamine Blue, 345, 348 Gallanilic Green, 348 GaUanilic Indigo, 348 Gallanilic Violet BS, 348 Gallaane A, 348 Gallein, 304 Gallic add, 5r Gallocyanine 344, 345. 697 Gold Yellow, 139 Glacier Blue, 276 Gladn Blue, 186 Glydn Corinth, x86 Gfydn Red, x86 Green; A. G., Tables, 460, 849 Green; A. G.; vegetable dyes on fibres. Green colouring matters; ezanaination <rf. 453 Green Powder, 259 Green Shades; examination of, 495 Guernsey Blue, 327 Guinea Green BV, 276 Guinea Violet 4B, 268 Heuanthin, 138, 141, 144 Heligoland Yellow, 174 Heliotrope, 184 Heliotrope B, 2B, 330 Heliotrope 2B, 186 Helvetia Blue, 280 Helvetia Green, 242, 276 Hemlock bark, 46 Hemk>ck (extract), 43 Hemlock-tannin, 7 Hessian Blue, 251, 284 Hessian Brown BB, 180 Hessian Brown MM, 194 Hessian Puiple B, D, N, 198 Hessian Violet, 198 Hessian Yellow, 198 I&de Powder, diroming of, 82 Ifide Powder; determination of acidity in, 81 Hide Powder; Schmitz-Dumont sub- stitute for, 86 Hdchst New Blue, 276 Hoffoum Violet, 278 Hungarian larch (extract), 43 Hydrogen peroxide test, 484 Hydrosulpnite A, B, 490 Hydrozyketones, 206 Immedial Black Group, 377 Immedial Black V, N, 377 Immedial Blue, 377 Immedial Blue C, 378 Inunedial Bordeaux, 380 Immedial Indone, 378 Immedial Maroon B, 380 Immedial Orange, 376 Immedial Pure Blue 375, 378 Immedial Yellow, 37c Inmiedial Yellow D (Cassella), 376 Immedial Yellow Group, 376 Imperial Red, 192, 296 Imperial Scarlet, 170 mperial Yellow, 129 ndalizarin Green, 350 ndalizarin R, J» 350 • hdalicarine green, 352 ndalizarine R, J, 353 ndamine Blue a for wool, 330 ndamine Blue NB extra, WG, NR, 332 ndamine GG, J, JO, N, NB, N extra, R, 2R, 3R, 6R, 330 ndamines, 310 ndazine M, 332 ndian Yellow, 139 ndigen D, F, 327 ndigo, 384 ndigo analysis, titanous chloride method, 400 ndigo Brown, 389 ndigo containing yellow .colouring matter; analysis of 398 ndigo, extraction by solvents, 392 ndigo on the fibre; estimation of, 402 ndigo; oxidization process for, 393 ndigo Red, 388 ndigo; reduction; tests of, 399 ndigo rich in indirubin; analysis of, 396 ndigo substitute, 327 ndigo; Synthetic, 390 ndigo White, 387 ndigo Yellow, 389 ndigotin disulphonic acid, 388 ndigotin sulphonic add, 387 ndirubin, ^88 ndochromme T, 316 ndochromine T ^andoz), 358 ndochromogen S, 314, 316, 358 ndoln Blue R, 156 ndoine Blue R, 332 ndophenin extra, 327 ndophenol, 311, 314 ndophenol N, 311 ndophenol white, 311 ndophenol white (Leuco indophenol), 314 nduline, 332 nduline 3B, 6B, 327 nduline Black (Kalie), 332 nduline Scarlet, 332 ndulines; Sulphonated, 327 ngrain Colours, 118, 202 nks, 669 Inks; cancelling, having an oil base, 679 nks; coloured, 670 nk; invisible, 670 nk marks; chemical examination of, Ink; Printing, 070 698 INDEX. Inks; Rubber Stamp, 685 Ink; Standard, 673 Inks; Writing, 669 lodeosin, 296 lodeosin B, 396, 304 lodeosin G, 304 Iodine Green, 359, 378 Iodine Violet, 378 Iris Blue, 346 Iris Violet, 338 Irisamine G, 304 Ironing Test, 484 Isorubine, 378 [AFT. 49 [anus Red, 174 Jaune adde, 138 Jet Black G., 165 Jet Black R, 165, 173 Jones; J. R., Tables, 489 KAiiALA, 637 Ketone Blue 4BN, 378 Kino, 34 Kinoin, 30 Kinotannic add, 7 Kliphaut bark, 48 Knecht, £, Use of Stannous Chloride, 478 Koempferol, 389 Koko, 46 Kruppelboom extract, 47 Laccainic add, 435 Lac-dye, 431, 434 Lacmoid, 344 Laevuline Blue, 338 Lakes; examination of, 538 Lancaster Yellow, 140, 143 Larch bark, 46 Larch extract, 46 Larch; Hungarian (extract), 43 Lauth's Violet, 356 Leather analysis, 105 Leather, analyses of, ii3 Leather Brown, 163, 174, 3^3 Leather, free add in, X09 Leather; ph3rsical tests on, 109 Leather YeUow, 363 Light Green, 359, 380 Li^t Green S, 343 Light Green SF (Blmsh), 343, 378 Light Green SF O^ellowish), 343, 278 Light test, 483 Lingue-tannin, 7 Litmus, 439 Logwood, 403, 637 Logwood on the fibre; detection of, 407 London Blue, 353 Loomis' extraction with solvents, 643 Lupulotannic acid, 7, 27 Maclumjs, 409 Madder, 430 Magdala, 335 Magdala Red, 333 Magenta, 246 Magenta S, 349 Magenta Rosdne, 378 Malachite Green, 337, 341, 278 Malachite Green G 243, 274 Manchester Brown, 163, x66 Manchester Brown, ££, 170 Mandarin, 142 Mandarin G, 139 Mangrove, 39 Mangrove biu^k extract, 47 Marine Blue, 252 Martius Yellow, 126 Mate-tannin, 7 Mauve, 324 Mauve Mauvdne, 332 Mauveine, 324 Mekong Ydlow G, 190 Mekong YeUow R, 196 Mendolla's Blue, 341, 348 Metamine Blue B, 342, 348 Metanil Yellow, 138, 141 Metaphenylene Blue B, 332 Methods oi Estimating Tannins, 85 Methylalkali Blue, 270 Methylaniline Green, 259 Methylaniline Violet, 256 Methyl Blue, 251, 280 Methyl Blue M, 255 Methyl Blue for silk MLB, 272 Methyl Blue water soluble, 273 Methyldiphenylamine Blue, 280 Methyl-eosin, 296, 297 Methyl Green, 259, 280 Methyl Orange, 138, 141, 144 Methyl Phloxin, 302 Methyl Violet B, 2B, V3, 256, 280 Methyl Violet 6B, 280 Methyl Violet 6B, 7B, 272 Methylene Blue, 318, 353 Methylene Blue B, 356 Methylene Green, 356, 358 Methylene Grey, 3x4 Methylene Violet, RRA, 3RA, 334 Mikado Browns, 132 Mikado Golden Yellows, 124 Mikado Oranges, 133 Milk; colours in, 659 Milling Blue, 334 Milling Orange, X74 INDEX. 699 Milling Yellow, 140, 143, 158 Mimosa, 39, 372 Mimosa bark, 43 Mimosa or Watte barks, 48 Mixed Colours, 645 Mixtures of dyes, 497 Morin, 409 Morintannic add, 7, 409 Muscaiin, 342 Muscarine, 350 Myrabolans, 36, 43, 49 Nankin, 363 Naphthalene Red, 33a Naphthazarin S, 2x8 Naphthazine Blue, 334 Naphthine Brown a, B, 156 Naphthionic Red, 148 Naphthol-azo-benzene, B, 136 Naphthol-azo-naphthalene a, 136 Naphthol Black, 164 Naphthol Black 3B, 4R, 165 Naphthol Black 6B, 165, 172 Naphthol Blue, 3x1 Naphthol Blue B, 342 Naphthol Blue Black, X72 Nahpthol Green B, X30, X3r Naphthol Orange, 139 Naphthol YeUow X22, 125, x 28 Naphthol Yellow a, B, 142 Naphthol Yellow S, xa2 Naphthylamine; a, 205 Naphthylamine Black D, X65, 172 Naphthylamine Brown, X48 Naphthyl Blue, 325 Naphthyl Blue aB, x88 Naphthyl Red, 334 Naphthyl Violet, 325, 334 Naphthylene Red, 170 Narcein, 140, 143 Natural tannins; classification and constitution of, 3 Navy Blue B, 272 Neutral Blue, 334 Neutral Red, 32 x Neutral Violet, 320, 334 Neutral Wool Blue R (Kalle), 280 New Blue, 341 New Blue B, G, 342, 348 New Blue R, 348 New Cocdn, xs© New Fast Green 3B, 242, 284 New Fuchsine, 278 New Green, 278 New Grey, 3x4 New Magenta, 278 New Methylene Blue GG, GS, 350 New Methylene Blue N, 356 New Methylene Grey, 3x4 New Patent Blue B and 4B, 282 New Pink, 304 New Red, 186 New Red L, X70 New Solid Green BB, 242 New Victoria Blue A, 280 New ^actoria Blue R, 284 New Victoria Green, 242, 274, 278 New Yellow, X38 New Yellow L, 138 Nicholson's Blue, 252, 270 Night Blue, 255, 280 Night Blue B, 280 Night Green, 259, 278 Night Green 2B, 280 Nigramine, 336 Nigraniline, 3x2 Nigrisine, 314 Nigrosine, soluble in water (Kalle), Nile Blue A, 343, 350 Nile Blue 2B, 350 Nitrazol, 203 Netroalizarin B, 209 Nitzo-oompounds, 120 Nitzo-diphenylamines, X28 Nitronaphthols, X25 Nitzonaphthol-sulphonic adds, 127 Nitrosamine Red, X22, 124 Nitrosonaphthol, X30 a-Nitro8o-)9-naphthol, X3X )9-Nitroso-a-naphthol, 131 Non-tans; value of, 83 Nopalin, 296 Oak-babk, 42 Oak; Black, 52 Oak; Chestnut, 52 Oak; English, 49, 52 Oak; Green, 45 Oak; Indian, 52 Oak; Pin, 53 Oak; Scarlet, 52 Oak; Spanish, 52 Oak; Swamp White, 52 Oak; White, 52 Oak; WUlow, 52 Oakwood, 50 Opal Blue, 35X, 252, 274 Orange I, X42 Orange II, X39, X42, X46 Orange No. Orange N, 141 Orange W, 138 Orange Red I, 153 Orange Yellow, 139 Orcein, 427 Orcellin Deep Red, 152 Ordn, 436 Ordnol, 436 Orchil, 436 Orchil, manufacture of, 437 Orchil Red A, 170 Oriol Yellow, 140, 143 OrseiUin BB, 170 Orseillin 3B, 161, 163 Oxamine Blue 3R, 196 Oxamine Violet, 186 Oxazines, 340 Oxazones, 343 Oxyphenine, 373 Oxyphenine Gold, 373 Pacific Bltte, 383 Palaline, 150 Palatine Red, 153 Palmetto, 39 Pand PS, 348 Parafuchsin, 383 Para Magenta, 383 Paramenotoluene, 305 Para-nitraniline Red, 154 Paraphenylene Blue R, 336 Paraphenylene Violet, 336 Pararosaniline, 334 Para-rosaniline Blue, 350 Panirosolic Acid, 333, 270 Paiasulphurin S, 178 Paris Green, 359, 380 Paris Violet, 356 Paris Violet 6B, 373 Parker Method of Fractionation of tannins, 3 Parme R, 344 Parme R (Paste), 350 Patent Blue, 243 Patent Blue A, 383 Patent Blue V, 343 Patent Blue V, N, extra, superfine, 383 Patent Phosphine, 363 Pelican Blue, 337 Pelouze Method for prep, of gallo- tannic acid, 3 Peonine, 363, 374 Perkin's purple, 334 Persian beny, 637 Persian Yellow, 140, 143 Persulphate, 491 Persulphate solution, 5x7 Phenazine derivatives, 380 Phenetol Red, 148 Phenocyanine, 350 Phenocyanine TC, TY, VS, 352 Phenodavin, ic6 Phenolphthalem, 264, 382 Phenosaf ranine, 338 Phenylamine, 205 Phenyl-anilino-mauveine, 327 Phenylene Brown, 163, 166 ^Phenylene-diamene, 206 Philadelphia Yellow G, 363 Phlobaphenes, 9, 10 Phlobathenes, S^ Phlobathenes, i^ue of, 83 Phloroglucinol, 13, 51 Phloxin» 297, 304, 306 Phloxin P, 304 Phloxin T A, 297, 306 Phosphine, 368 Phosphine, II, N, P, 363 Phthaleins, 298 Physical tests on leather, 109 Picric add, 122, 123 Picric add, estimation of, 123 Pigment brown, 136 Poirrier's Orange III, 138 Poke Beny, 637 Polyazo-dyestulFs, 176 Polychromin B, 198 Pomegrante rind, 50 Pomegrante-tannin, 7 Pomona Green, 159, 178 Ponceau B, 170 Ponceau G, 150 Ponceau 26, 148 Ponceau 4GB, 139 Ponceau R, 159 Ponceau 2R, 148 Ponceau 3R, 148, 150, 161 Ponceau 6R, 152 Ponceau 5PR, 168 Ponceau 3RB, 170 Ponceau 4RB, 160, 168 Ponceau 6RB, 160, 170 Ponceau RT, 150 , Ponceau S extra, 161, 162, 170 Ponceau SS extra, 161, 162, 16S Potassium d i n i t r o-a-naphthol-sulpho nate, 127 Prescott, comparative table of tannins> 5 Primerpse d I'alcohol, DH, 304 Primula, 278 PrimuUne, 371 Printing Blue, 327, 328 Printing Blue H, R, B, 327 Procatechuic add, 51 Procter's modification of Lowenthal's method, 61 INDEX. 701 Procter, test for tannins, 40 Pniim bast, 46 Prune, 345 Pnine Pure, 344, 350 Pzyronine G, 306 Purpurin, ai8 Pyramldol Brown, 296 Pyramlne Orange, iSS Pjrnuolone colouring matters, 133 Pyrpgallol, ji I^rrpgene Black, 377 Pyrpgene Blue, 378 Pyrpgene Blue RR, 378 Pyrogene Brown D, 380 Pyrogene Dark Green B, 380 Pyrogene Green (B, FB, FF, aG, 3G), 380 Pyrpgene Indigo, 378 Pyrpgene Olive N, 376 Pyrpgene Yellow M, 376 Pyrone, 286 I^rone Dyes, 286 Pyronin B, 306 I^ronine G, a88 Pyrosin B, 296, 304 Pyrosin J, 304 Pyrotine RRO, 152 QUEBBACHTTANNIC add, 7 Quebracho, 38, 47 Quercetin, 412 Querdtannic add, 7, 24 Querdtron, 412, 637 Querdtron bark, 46, 412 Quinoline, 358 Quinoline Blue, 359 Quinoline Red, 366 Quinoline Yellow, 360 Quinoline Yellow S (water soluble), 366 Quinoline Yellow, spirit soluble, 366 Quinoline Yellow, water soluble, 360 Quinophthalone, 366 Ratanhia-tannin, 7 Recognition of tannin material, quali- tative, 40 Red colouring materials, examination of, 448 Red Coralline, 274 Red dved fibres; examination of, 486 Red shade; examination of, 493 Red Violet 5R extra, 278 Red Violet 4RS, 5RS, 258, 282 Reduced indigo, 387 Redwoods, 431 Regina Purple, 282 Resorcin Yellow, 139 Resordn Blue, 344, 346 Resorcin Brown, 163, x66 Resordn Green, 130 Resordn Yellow, 142 Resordnol-axo-benzene, 135 Resorufin, 343 Rheonine, 368, 370 Rhodamine B, 3B, G, G extra, 6G, 12 GM, O, S, 306 Rhodamine S, 301, 306 Rhodine 2G, 12GF, 306 Rhodine 3G, 304 Rhoduline Red G, B, 336 Rhoduline Violet, 336 Ribbons, typewriter, 687 Roccelline, 150 Rock Scarlet YS, 200 Rosamine, 308 Rosanilines, alkylated, 256 Rosaniline Blue, 251 Rosazin, 328 Rosazurin B, 192 Rosazurin G, 190 Rose JB, 297 Rose Bengale, 297, 308 Rose Bengale, B, 3B, 308 Rose de Benzoyl, 156 Rosindone, 340 Rosinduline 2B, 328 Rosinduline G, 2G, 336 Rosolan B, R, OT, 336 Rosolic add, 282 Rosolic add group, 260 Rota, A. G., analysis of dyestuffs, 464 Rouge M, 186 Roxamin, 154 Rubbing test, 484 Rubian, 430 Rubidine, 250 Rubine S, 249, 268 Rufigallol, 222 Rubramine, 336 Russian Green, 230 Safflower, 433 Saffron, 418 Safraniline, 306 Safranines, 322 Safranine, 336 Safranine AG, AGT, cone, FF extra, GOO, extra G, OOF, S T, Safranine B, MN, RAE (KaUe), 338 Safranine, extra G, T, 323 Safrosin, 296, 308 Saint Denis Red, 198 Salitannic acid, 7 702 INDEX. Salmon Red, 200 Salt, common, in dyestuffs, 476 Salt dyestufb, bleeding test for, 518 SantaUn, 43 a Scarlet 3B, 3R, 4R, S, 161 Scarlet G, GR, R, 150 Scarlet aG, GT, R, aR, 148 Scarlet J, JJ, V, BB, 296 Scarlet R, Z4iB, 150 Scarlet 6R, 153 Scarlet S B, z6a Schemes for identification of colours, 648 Schmit^Dumont substitute for hide powder, 86 • Seeker, Albert F., colouring matter in foods, 6a3 Setocyanine, a8a Setofi^udne, a84 Seyoa test for tannins, 9 Silk, dyes on, 513 to 515 Silver tree extract, 47 Sloeline BS, RS, 3a7 Smaragdgreen, a4a Sodium acetate, 491 Solid green, 130 Solid Green J, J JO, a4a Solid Violet, 348 Soluble Blue, asa, 284 Soluble Blue 8B, zoB, a8o Soluble Blue, 6B, 3a7 Soluble Blue XG, 370, 284 Soluble Primrose, 290 Soluble Rcgina Violet, 284 Soudan I, II, 236 Soudan III, 162, z66 Soudan brown, 136 Spanish saffron, 637 Spiller, J, identification of dyestuffs, 471 Spirit Blue, 251, 284 Spirit Eosin, 297, 304 Spirit induline (Kalle), 338 Spirit nigrosine (Kalle), 338 Spirit Primrose, 297 Spirit Violet, 284 Spirit Yellow, 134 Spirit Yellow R, 156 Stanhouse-Proctor classification of tan- nins, 6 Stannous chloride, add, 517 Starch, 478 Stiasny test for tannins, 8 Stilbene Red, 196 Stovin^ test, 484 Strippmg test for acid colours, 5x8 Substantive dyes, 117 Sugar, 477 Sugar bush bark, 47 Sugar-content of tanning materials, estimation of, zoo Sulphamine Brown A, B, i$6 Sulphanil Yellow, Z78 Sulphide colours, lead acetate, lest for, Sulphonated axo-compounds, Z36 Sulphone Azurin, Z82 Sulphur Black T extra, 377 Sulphur dyes, 370,374 Sumac 37, 49, 637 Sumac, adulteration of, zoo Sumac-tannin, 7 Sun yeUow, Z32 Talwaan extract, 48 Tan liquors, addity of, 97 Tan liquors, examination, 96 Tannin, animal, 7 Tannin from animal sources, 27 Tannin assay, Dreaper volumetric cop- per method, 70 Tannin assay, oxidi^tion method, 60 Tannin assay, Yorkshire College method, 63 Tannin Heliotiope, 330 Tannin materials, European official method of testing, 7Z Tannin materials, quality recognition, 40 Tannin substitutes, zoo Tannins, z Tannins, assay of, 55 Tannins, extraction of, 2 Tannins, ferric chloride test for, 5 Tannins, sold chloride test for, 9 Tannins, neat test for, 6 Taimins, methods of estimation of, 5 Tannins, Parker method of fractioBa- tion of, 3 Tannins, Procter test for, Z09 Tannins, Seyda test for, 9 Taimins, Staisny test for, 8 Tartrazin, Z33 Tea, assay ctf, for tannin, 88 Tea, colours in, 658 Terra Cotta R, Z54 Tetrabromo-dichloro-fluorescdn, 296 Tetrabromfluorescdn, 294 Tetraiodofluorescein, 296 Tetzamethyldiaminobenzopheoone (Michler's ketone). 703 TluMines, 340 353 Thiazole dyes, 370 Thiazole Yellow S, 374 Thiocannine R, 356 Thiocannine R (CasseUa), 358 Thiogene Dark Red, 380 Thipgene Purple, 380 Thion YeUow (Kallc), 376 Thionine Blue G, O eztm, 356 Thiophenol Black T extra, 377 Thiophosphene J, 37 a Thioxine Blacks (GBOOO, 3BOOO, RTOOO), 378 Thioxine Orange, 376 Thioxine Yeltow G, 376 Thorn tree, 47 Tintometers, 439 Toluidine, 205 Toluidine Blue O, 356 Tolusalranine, 338 Toluvlene Blue, 310 Tolylene Blue, 310 Tolylene Blue B for cotton, 338 Tolylene Brown, z66 Tolylene Brown G, 188 Tolylene Orange X>, R, 190 Tolylene Orange RR, 188 Tolylene Red, 310, 321, 334 Tolylene Yellow, 174 Tormentil-tannin, 7 Triaminotriphenylmethane Dyestufifs, 244 Trianisoline, 306 Tiihydroxyanthraquinones, 211 Triphenylmethane dyes, analytic prop- erties of, 265 Triphenylparosaniline, 234 Triphenylrosanilinedisulphonic acid, 253 Triphenylrosanilinemonosulphonic acid, 252 Triphenylrosanilinetrisulphonic add, 254 Tropoolin D, G, OO, 138 Trop»olin O, OOO No. 2, R, 139 TropsBolin Y, 142 Turmeric, 413* 636, 637 Turwar bark, 45 Ulmo-tannic add, 7 Urania Blue, 356 Uranin, 292, 304 Ursol D, P, DD, 314 Valonia, 37, 42, so Valonia-tannin, 7 Vat Dyes, 534 V^etable colours on wool, mordanted with tin salts, reactions of, 634 Vegetable fibres, identification of dye- stuSa oi, 516 Vermilionette, 296 Vert lumi^re, 278 Vesuvine, 163 Victoria Black B, 172 Victoria Blue B, BS, R, 255, 284 ^ctoria Green 3B, 242, 284 Victoria Red, 192 Victoria Violet 4BS, 156 \lctoria Yellow, 122 Vidal Black for cotton, 377 Vidal Black S for cotton, 377 Vidal Black Group, 376 Violamines, 301 Violamine B, 3B, R, 2R, 308 Violet 3B extra, 280 Violet 5B, 6B, 272 Violet C, 257, 274 Violet C, tB extra, 274 Violet R, RR, 5R, 278 Violet Black, 277 Violet colours, examination of, 454 Violet de Paris, 280 Violet or purple shades, examination of, 493 Viridine, 270 Waagenboou extract, 47 Wailing test, 483. Water Blue, 252, 254, 284 Water Blue 6B, 252 Water in Paste-dyes, 476 Water soluble nigrosene, 327 Water test, 484 Wattie barks, 39, 48 Weingartner, £., tables, 443 Weld, 41 z Weld extract, 637 White bark, 48 Willow bark, 47 Wine, assay of, for tannin, 88 A^nes, colours in, 654 Woodman and Newhall tests for cara- mel in vanilla, 640 Wool Black, 164, 170 Wool Green S, 284 Wool Grey B, G, R, 338 Wool Scarlet R, 148 Wool Violet S, IS4 Xanthin, 363 Xanthone, 286 704 INDEX. Xanthone dyes, 386 Xylidine Reid, 159 Xylidine Scarlet, 148, 159 YELLOW-fast-to-soap, 140, 143 Yellow Fat colour, 156 Yellow 00, W, 138 Yellow and orange-red colours, exami- nation of, 457 Yellow and orange shades, examina- tion of, 492 Yellow T, 139 Yoeman, H., tables, 489 Yorkshire College method of tannin assay, 63 LANE MEDICAL LIBRARY To avoid fine, this book should be returned on or before the date last stamped below. i JUN. -4 i945. 