None
PAoa Alum in water, determination of 137 Alumina, milk of, reagent 259 Ammonia, standard solution, preparation of .- 257 , presence in water yg , in water, determination of 100 Analyses, interpretation of 82 Aqueous vapor, tension of 236 Ash, determination in cereals 206 , in wine - 218 , of milk 1 73 Babcock method for fat determination 1 76 Barium hydroxide, reagent for air analysis 255 Beer, analysis of 224. Benzoic acid, detection of 223 Bibliography 263 Biological examination of water 135 Boric acid, detection in milk 188 Breakfast foods 161 Brook water 86 Butter, analysis of 193 , complete analysis of 204 , composition of 191 Calcium chloride, standard solution of 259 Calorie, definition of 148 Cane-sugar, detection in milk 185 Caramel, detection in vanilla * 230 Carbohydrates, function of 146 , separation in cereals 209 Carbon dioxide, amount expired 15 , determination of, in air 27 , "popular tests" for 40 as a disturbing factor 12 , properties of ^ 21 table of weight of cubic centimeter of 237 in water, determination of 1 29 , a test of ventilation 23 Carbonaceous matter in water, determination of 112 Carbonic acid in water, determination of free i 1 29 Carbon monoxide, detection of, in air 49 , estimation of, in air 50 , effect on blood 16 Change on ignition 117 INDEX. 275 PAGE Chlorine in ground water 90- water, determination : 113 ' ' , source of 71 Casein, determination of 184 Citral, determination of 233. Clark's method for hardness 117 Classification of waters 83 Cocoanut oil, detection in butter 195 Cohen method for carbon dioxide 48. Collection of water samples 94 Color of water, determination of 130 standards for water 130-133, Colors, detection of 221 , " in milk i86' in food 163 Condensed milk, analysis of , 189 , composition of 189' Cooking, changes caused by 148 Coumarin, determination of 227 , Leach's test for 228. Cream, determination of 171 " Crowd poison " 18-24 Crude fibre, determination of 214 Cycle of nitrogen 65 Dextrin, estimation in cereals 21a Diastase, estimation of starch by 212 Dietaries 152 Dissolved oxygen, reagents for, preparation of 260 in water, determination of 1 23 Distilled water 73 Dust and soot i 54, 55? S^- , estimation of, in air 54 Ether, anhydrous, preparation of 261 extract of cereals 206 Extract in beer-wort, table for 24^ , determination in beer 224 , " "wine; 217 in wine, table of 247 Fat, determination of, in milk 175 Fats, value of 145 Fatty acids, determination of, in butter 196 274 INDEX. PACK Fehling's solution, preparation of 261 Filters 87 Fitz and Wolpert ^ 45 method for carbon dioxide 45 shaker 45~47 Fluorides, detection of 226 Food, composition of 143 , definition and uses - 143 , principles - 143 , materials, table of composition of 1 50 , predigested 162 Formaldehyde, detection in milk 187 Glass pipe 94 Glycerine, determination in wine 219 Gottlieb method for fat estimation 1 78 Ground water, history of 62 Gunning method for nitrogen 209 Hanus' iodine solution, preparation of 260 Hardness in water, determination of 117 , table of 242 Heat of combustion, values for 148 Humidity in air, effect of 14 Ice, rules for use of - • 72 Interpretation of water analysis i, 82 Iodine value, determination of 197 Iron in water, determination of 127 , standard solution of 259 Kjeldahl method for nitrogen 206 Lactose, estimation of - 181 Lake water * 84 Lead acetate, basic, preparation of 261 in water, determination of 139 , standard solution of. *. ^ 260 Lemon extract 23 1 oil, determination of 232 Lime water, reagent for air analysis 255 Loss on ignition in water, determination of 115 INDEX. PAGP Petterson and Palmquist apparatus 40 Phosphates in water, determination of 1 20 Purified vs. clarified water '. 69 " Popular tests " for carbon dioxide 70 Potassium chromate, reagent, preparation of 259. ferrocyanide 61 hydroxide 258 iodide reagent, 26 1 sulphide reagent 262 sulphocyanide reagent 259 Pressure, influence on respiratory exchange 13 Preservatives in food i 1 63 Proteids of milk, determination of . ; 183 , Kjeldahl method for 206 Residue on evaporation, determination of 115 Reducing sugar, determination in beer 225 Reducing sugar, Munson and Walker's table for 24& Refractive index of butter 201 Refractometer, Abbe 202 Reichert-Meissl number 1 94 Renovated butter 192 , detection of . 200 Resins, detection in vanilla 229 Respiratory exchange 15 quotient 14 River water 85 " Safe " water 75-79- Salicylic acid, detection of 223 Salt, determination in butter 204 Samples, collection of water 96 Sanitary chemistry, scope of i science, importance of 2 Sediment of water, estimation of 136' " Sewer-air " 1 7-24 Shallow wells 90 Silver nitrate, chlorine reagent 259 Soap, standard solution of 259 Sodium carbonate, detection in milk 188 chloride, standard solution 258 Solids of milk 173 Soot, estimation of, in air 54 Specific gravity of butter 201 milk 1 70^ INDEX. ' 277 PAGB Specific gravity of milk, table for 243 wine 216 Spoon test . . . ^ 199 Springs 88 Starch, detection in milk 186 , determination of 211 Steam vacuum 50, 51 Storage of water 71, 87 Sugars, determination in cereals 210 Sulphites, detection of 225 Surface water 85, 89 , character of 72 Turbidity of water, estimation of 136 Turmeric, detection of 233 Vanilla extract 226 Vanillin, determination of 227 Ventilation, apparatus to illustrate 24 , natural vs. artificial 23 a necessity 19 , principle of 22 , requirements of 26 , to test efficiency of 24 Vital capacity - — 10 Walker method for carbon dioxide 34 Water, acceptable 82 Water analysis, blank form for 141 , points to determine in 80 , statement of results 140 , value of 94 Water, classification of 85 , circulation of 61 , determination in butter 204 , illustration of contamination of 62 , its relation to health 66 , legal restrictions upon use of 57 , need of , 6 , passage through the ground 64 , preliminary inspection of source of 80 , presence of organisms in 66 , solvent power of 65 , storage of 71 , the ideal drinking-water 59 278 INDEX. PAGff Water- vapor in air 16 Water siphon 48, 49 , daily quantity needed 6 Water-pipes 94 Waters, table of average composition of 238 normal 2^9 , polluted, table of 240, 241 Water free from ammonia, prcjiaration of 255 , determination in ( crcals 205 " milk 185 Well-water 90 Wine, analysis of 216 , composition of 215 Wolpert shaker 47 Wooden pipe 94 D jpinuilM(9i 9t.c^T. f\U\jZUW PLEASE DO NOT REMOVE CARDS OR SLIPS FROM THIS POCKET UNIVERSITY OF TORONTO LIBRARY RA Richards. Ellen Henrietta 566 (Swallow) R53 Air, water, and food from 1909 a sanitary standpoint. 3d ed.m rev. and enl. Engineering ---^. 