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of alkaline earths, occurrence, 35 solubility, 50 Borax bead test, 69 Bromides, detection, 54, 58, 67 detection in presence of iodides, 60 solubility, 50 Cadmium, detection, 22, 68 ferrocyanide, properties, 23 sulphide, properties, 18, 23 Calcium, detection, 40, 46, 70 tartrate, properties, 64 Carbonates, detection, 54, 57, 73 solubility, 50 Chlorates, as oxidizing agents, 18, 24, 29 decomposition by ignition, 62, 63, 68 detection, 54, 62, 67, 73 solubility, 50 Chlorides, detection, 54, 58, 67, 84 detection in presence of other halogens, 60 solubility, 16, 17, 50 Digitized by Google 88 INDEX. Chromates, as oxidizing agents, 18, 29 detection, 55, 68, 73 Chromic iron, decomposition, 79 Chromium, detection, 42, 69 effect on iron-group separation, 35 hydroxide, properties, 30, 32, 37 oxychloride, properties, 61 Closed tube test, 66 Cobalt, detection, 33, 68, 69 hydroxide, properties, 34 occurrence, 37, 43 sulphide, properties, 30, 33 Copper, detection, 22, 68, 09, 70 ferrocyanide, properties, 22 occurrence, 20 sulphide, properties, 18, 20 Copper-group, benavior with alkalies, 2 3. precipitation, 17 separation, 20 separation from other groups, 16, *9 sulphides, occurrence, 33 sulphides, properties, 20 Cyanides, detection, 54, 59, 67, 73 Dry analysis, 65 Ferric and ferrous salts distinguished, 44 ferrocyanide, properties, 37 hydroxide, occurrence, 19, 22 hydroxide, properties, 30, 31 salts, as oxidizing agents, 18 Ferricyanides, detection, 59 Ferrocyanides, detection, 59 Ferrous sulphide, occurrence, 23, 33, 3 8 » 43 properties, 30 Flame tests. 40, 48, 70 Fluorides, detection, 54, 57, 83 effect on iron-group separation, 35 Fluxes, properties, 78 Fusion, decomposition by, 77, 78 Halogen-acid-group, detection, 53 . special tests, 58 Hydroxides, colors, 23, 30 solubility, 23, 30, 31, 43 Impurities in reagents, 14 Incrustations on charcoal, 68 Insoluble substances, 74, 76 substances, treatment, 75, 76, 80 Iodides, detection, 54, 59, 67 solubility, 50 Iron (see also " ferric and ferrous ") detection, 37, 40, 68, 69 Iron-group, behavior with alkalies, 43 precipitation, 31 preliminary tests, 29 separation, 36, 38 separation from copper group, 17 sulphides, properties, 30, 32 Lead, detection, 17, 21, 68 chloride, properties, 16, 17 chromate, properties, 42, 55 sulphate, occurrence, 20, 23, 38 sulphate, properties, 18, 21 Litmus, significance of reaction with, 73 Magnesium, detection, 43, 47 ammonium phosphate, properties, 43. 48. 56 hydroxide, properties, 31 removal, 48 Manganese, detection, 37, 43, 69 hydroxide, properties, 31 sulphide, properties, 30 Mercuric and mercurous salts distin- guished, 23 oxide, properties, 23 sulphide, occurrence, 23, 67 sulphide, properties, 18, 20, 21, Mercurous chloride, properties, 17, 25, 27 oxide, properties, 23 Mercury, detection, 17, 21, 23, 67 Metals, division into groups, 15 reducible on charcoal, 68 removal from solutions, 48, 82 Metaphosphate bead test, 69 Minerals, detection of acids in, 82 solution for analysis, 72 Nickel, detection, 33, 68, 69 hydroxide, properties, 34 occurrence, 37, 43 Nitrates, as oxidizing agents, 18, 29 decomposition by heating, 63 detection, 54, 61, 62, 63, 67, 68 Nitric-acid-group, properties, 52 special tests, 61 Organic acids, special tests, 63 matter, detection, 51, 66 matter, removal, 74 matter, solvent action, 30 Oxalates, detection, 54, 56, 67 of alkaline earths, occurrence, 35 Oxidation and reduction, 27, 28 of ferrous salts, 28, 36 of sulphides, 18, 21, 32, 33 Oxidizing agents, 29 Digitized by Google INDEX. 89 Permanganates, properties, 29, 44 Phosphates, detection, 54, 55, 83 effect on iron group separation, 35 of alkaline earths, occurrence^, 34 solubility, jo Phosphorous, detection in alloys, 81 Platinum, in alloys, 81 vessels, use of, 77 Potassium, detection, 48, 70 acid tartrate, properties, 50, 64 platinichloride, properties, 48 removal, 49 salts, solubility, 50, 64 Precipitation, directions for, 13 by water, 22 Preliminary examination, 65 Reaction towards litmus, 73 Reactions of oxidation, method of writing, 28 Reagents, preparation, 85 Reducing agents, 29 Reduction and oxidation, 27, 28 of ferric salts, 30 on charcoal, 68 Silicates, detection, 54, 58 detection of alkalies in, 79 Silicic- acid, bead test, 69 occurrence, 17, 38, 73 removal. 73 solubili \\ 58 Silicon fluoiide, properties, 57 Silver, detection, 17, 68 chloride, properties, 17, 61, 77 iodide, properties, 61 salts, properties, 53 sulphide, properties, 18 Sodium, detection, 48, 70 chloride, occurrence, 17 platinichloride, properties, 49 salts, solubility, 50 Solubility, general statement of, 50 Solution of nonmetallic substances, 72 of metals and alloys, 79 for analysis for acids, 81, 82 Spectrum analysis, 49, 71 Stannic and stannous salts distin- guished, 27 oxide, occurrence, 21 sulphide, occurrence, 25 sulphide, properties, 18, 24 Strontium, detection, 40, 46, 69, 70 sulphate, properties, 47 Sublimates in closed tube, 67 Sulphates, detection, 52, 55, 83 solubility, 47, 50 Sulphides, as reducing agents, 18, 29, colors of, 18, 30 detection, 54, 60, 67, 68, 72 Sulphites, detection, 54, 67, 73 Sulphur, occurrence, 18, 19, 31, 36, 44, 74 Sulphuric-acid group, detection, 52, 53 group, special test, 55 test for acids, 53 Tartrates, detection, 54, 63 Thiosulphates, detection, 54 Tin (see also " stannic ") detection, 25, 68 Tin-group, behavior with nitric acid, 80 precipitation, i" separation, 24 separation from copper group, 19 Washing precipitates, directions for, Water, precipitation by, 18, 22 detection, 66 Zinc, detection, 37, 43, 68 hydroxide, properties, 38 occurrence, 18, 36 sulphide, properties, 30 Digitized by Google Digitized by Google J ',/- Digitized by Google Digitized by Google mm This book should be returned to the Library on or before the last date stamped below. A fine of five cents a day is incurred by retaining it beyond the specified time. Please return promptly. iWbRLh-J J! T*^ -7 \&* 'UttniiUHtitk but JAN 2ft 1926 OWfiCrjgJ'^T t.:: UL'iflPBl»'i,5« ,, . .... .,...«,,"TKE««t»s$- Digitized by Google Chem 668 99 A detailed couw Cabot Science 3 2044. 