Index to Photographic Chemistry, 1906 (Hasluck) INDEX Absorption, Halogen, 76 Acetaldehyde, Formula for, 135 Acetic Acid, Formula for, 139 Acetone, 143 Acetone, Pcrifl lug. 21 Acids See under distinctive name) Affinity, Chemical, Defined, 26 Albumen, 145, 146 Albumenized Paper, 84, 85 Albumenized Paper, Action of Light on, 85 Alcohol, Ethyl, 137 Alcohol, Methyl, 137 Aldelayde Compounds, 137, 138 Alkaline Development, 72 Alkaline Earths, Metals of, 123 Alkalis or Bases, 97, 98 Allotropic Modifications of Silver, 126, 127 Allotropism, Definition Of, 116 Alum Compounds, 132 Amido-carboxylic Acids, 142 Amido-phenolic Substances, 152,153 Amidol Developer, 154 Ammonia, 94-96 Ammonia, Blackening Action of, 81, 82 Ammonia in Water, Testing for, 47 Ammonium Carbonate, 101, 102 Ammonium Chloride, 110 Ammonium, Formula for, 38, 125 Ammonium Nitrate 96 Ammonium Persulphate, 120 Ammonium Thiocyanate. 120, 121 Auhydrides, Acid, 87 Anions Defined, 32 Anode Defined, 32 Aqua Regia, 109 Aromatic Compounds, 148 Atomic Theory, 28 Atomic Weight, 28 Aurates, 130 Auric Acid, 130 Barium Compounds, 123 Bases or Alkalis, 97, 98 Benzene and Benzine, 148 Bonds Representing Valency, 37, 38 Boring Corks, 14 Bromide, 37 Bromide Printing, 85, 86 Bromides and Iodides, 112, 113 Bromine, 107 Bunsen Burners 17, 18 Calcium Chloride, 112 Calcium Compounds, 123 Calcium in Water, Testhag for, 47 Cane Sugar, Formula for, 36 Carbolic Acid, 149 Carbon, Analysis of, 27 Carbon Compounds, 134-142 Carbon Dioxide, 51 Carbon Disulphide, 11 Carbonates, 100, 101 Carbonic Acid, 100 Cathode, Definition of, 32 Callous Defined, 32 Cell, Voltaic, Defined, 31 Celluloid, 145 Cellulose, 143, 144 Cellulose Nitrates, 143, 144 Chalk, Analysis of, 24 Chemica Affinity Defined, 26 Chemical Changes Due to Light, 56, 57 Chemical Compounds Defined, 26 Chemical Equations, 3941 Chemical Laws, 24-34 Chemical Reaction, 42 Chemical Reduction 55 Chemical Theory, 54 Chemistry, Aim of, 9 Chemistry, Applied to Photography, 11, 12 Chemistry and Physics, 10 Chlorides (See nuder distinctive name) Chlorides , Action of Light on, 106 Chlorides used in Photography, 109, 110 Chlorides in Water, Testing for, 47 Chlorine, 37, 103, 104 Chlorine, Influence of Light on, 105 Chlorine, Symbol for, 35 Chromium, Symbol for, 35 Citric Acid, Formula for, 141 Cobalt, Symbol for, 35 Collodio-chloride Printing out Paper, 85 Collodion, 144, 145 Condenser. Liable’s. 20 Constant Proportion, Law’s of, 20, 28, 29 Copper, 123 Copper, Analysis of, 27 Copper Chloride, 36 Copper, Mixed with Sulphur, 11 Copper Sulphate, Electrolysis of, 32, 33 Copper Symbol for, 35 Cork Boring, 14 Corrosive Sublimate, 125 Crystallisation, 23 Crystallisation, Dimorphous, 23 Crystallisation, Water of, 43, 45, 46 Cuprous Oxide, 39 Cyanide Compounds, 133 Cyanide of Potassium on Silver. Action of, 127 Cyanogen, Formula for, 38 Cyclic Compounds, 148 Daguerriotype Process, 68 Dehydration Defined, 22 Density, Experiments on, 73 Developer, Ferrous Oxalate, 70 Developer, Organic, 72 Developer, Ferrous Sulphate, 68, 69 Development, Acid, 68 Development, Alkaline, 72 Development, Chemistry of, 67-79 Development, in Daguerreotype Process, 68 Development, Latent Image and, 68 Development, by Mercury Vapour, 68 Development, Neutral, 15 Development, with Restrainers, 69, 70 Di-amido-phenol, 153 Di-carboxylic Acids, 140 Dimorphous Crystallisation, 23 Dissociation Theory, 31 Dissociation, Apparatus for, 19, 20 Distillation, 18, 21 Divalent Elements, 37 Eikonogen, 156 Electrodes, 32 Electrolysis, 31 Electrolysis of Copper Sulphate, 32. 33 Electrolysis Experiments, 31 Electrolyte Defined, 32 Element Defined, 24 Element, Divalent, 37 Element, Molecules of, 30 Element, Monovalent, 37 Element, Radicals, Conmpound, 38 Element, Univalent, 37 Element, Valency of, Bonds to represent, 37, 38 Emulsions, 146, 147 Emulsions, Ripening of. 66 Equations, Chemical, 35 43 thyl Alcohol, 137 thyl Alcohol, Formula for, 137 vaporation, 17, 18 vaporation, Apparatus for, 17, 18 Ferric Chloride, 110 Ferric Chloride Reducer, 79 Ferric Oxalate, 141 Ferricyanide Reducer, 80 Ferricyanides, 133 Ferrous Oxalate Developer, 70 Ferrous Oxalate Developer, Action of Thiosulphate in, 71 Ferrous Oxalate Developer, Meldola and, 72 Ferrous Oxalate Developer, Reactions of, 70, 71 Ferrous Oxalate Intensifier, 82, 83 Ferrous Sulphate Developer, 68, 69 Filtration, 14. 15, 16 Fixing by Thiosulphates, 118, 119 Flasks, Glass, 48 Fluorine, 107 Formaldehyde. 137, 138 Formic Acid, Test for, 140 Funnel, Thistle. 48 Furfurol, Test for, 140 Gelatine, 146 Gelatine, Hardening, 147 Gelatino-chloride Printing-out Papers, 85 Glass Flasks, 48 Glass Jet, Making, 16 Glass Tubing, Bending, 14 Glycin Developer, 142 Gold Chloride, 1ll Gold Chloride, Decomposition of, 18 Gold Chloride, Formula for, 36 Gold Salts, 129, 130 Gold, Symbol for, 35 Gold Toning, 87 Gramme Defined, 44 Green Fog, Removal of, 80, 81 Gun-cotton, 144 Halogen Absorption, 76 Halogen, Explanation of Term, 103 Halogens. Hydrogen Compounds of, 108 Haloids, Mercury, 124 Haloids, Silver, 128 Heat Unit of Water, 44, 45 Hydriodic Acid, 37, 112 Hydrobromic Acid, 37, 112 Hydrochloric Acid, 37, 38, 41, 109 Hydrofluoric Acid, 113 Hydrogen, Atomic Weight, 28 Hydrogen Chloride, 108 Hydrogen, Compounds of Halogens, 108 Hydrogen, Experiments with, 53, 54 Hydrogen, Nascent, 54 Hydrogen, Preparation of, 52, 53 Hydrogen, Sulphuretted, 39 Hydroquinone Developer, 149, 150 Hydroxyl, Formula for, 38, 141 Hydroxy-tri-Carboxylic Acids, 141 Hypo from Sulphur Dioxide, 117 Indestructibility of Matter, 12, 13 Intensification, 81 Intensification with Ferrous Oxalate, 82, 83 Intensification with Lead, 83 Intensification with Sodium Sulphite, 82 Intensification with Uranium, 83, 84 Iodides and Bromides, 112, 113 Iodine, 17, 101 Iodine Experiment with, 22 Ionic Theory, 31 Ions Defined, 32 Ions, Reactions of. 33, 34 Iron, Oxide of. 52 Iron, Oxide, Experiment with, 41 Iron, Presence of, 109 Iron Rust, 10, 11 Isometric Compounds, 136 Ketones, 142 Latent Image, 58 Latent Image, Destruction of, 75, 76 Latent Image and Development, 68 Latent Image, Eden on, 56, 57 Latent Image, Experiments on, 65 Latent Image, Moser's Experiments on, 65 Latent Image, Relapse of, 64, 65, 75, 76 Latent Image, Theories concerning, 56-67 Law of Constant Proportion, 26, 28, 29 Law of Multiple Proportions, 26, 27, 28, 29 Laws, Chemical, 24-34 Lead Intensifier, 83 Liebigs Condenser, 20 Light Action, Reversal by, 77, 78 Litmus, Properties of. 52 Magnesium Metals, 124 Magnesium in Water, Tainting for, 47 Manganese Dioxide. 49 Matter, Indestructibility of, 12, 13 Mercuric Chloride, 125 Mercuric Chloride, Formula for, 125 Mercuric Chloride, Reiss’s Experiment with, 78, 79 Mercurous Oxide, Formula for, 39 Mercury, 324, 125 Mercury Haloids, 124 Mercury Vapour, Development by, Metallic Chlorides, Action of Light on, 106 Metals, Alkali, 122, 123 Metals, Magnesium, 124 Metals, Properties of, 24, 25 Methyl Alcohol, 137 Methylated Spirit, 21, 22 Metol Developer, 155 Molecular Disturbance, 76, 77 Molecular Formula, 36, 37 Molecular Formula Ion Organic Compounds, 135 Molecular Strain Theory, 63 Molecular Weight, 30, 31 Molecules of Compounds, 30 Molecules of Compounds, defined, 30, 31 Molecules of Elements, 30 Molecules of Saver Nitrate, 30 Molecules of Water, 30 Mono-carhoxylic Acids, 139 Monovalent Elements 37 Multiple Proportion, 26-29 Naphthaleue, 155 Nascent Hydrogen, 554 Neutral Development, 75 Nitrates, Tests for, 94 Nitric Acid, 91 94 Nitric Acid, on Silver, Action of, 127 Nitric Acid, Test for, 94 Nitric Oxide, 90 Nitrogen, Analysis of, 27 Nitrogen, Compounds, 89-102 Nitrogen, Obtaining, 89 Nitrogen, , Oxides of, 89, 90 Nitrous Oxide, 90, 91 Non-metals, Properties of, 24, 25 Open Chain Con pounds, 135, 136 Organic Acids, Family of, 138, 139 Organic Compounds, 134-142 Organic Compounds, Molecular Formulm for, 135 Organic Developers, 72 Organic, Explanation of Term, 134 Oxalic Acid, 38, 140 Oxidation, 51 Oxides, 51 Oxides Nitrogen, 89, 90 Oxychloride Theory, 62 Oxygen, Experiments with, 50, 51 Oxygen, Preparing, 49, 50 Paper, Albumenised, 84, 85 Paper, Albumenized, Action of Light on, 85 Persulphates, 119, 120 Phenol or Carbolic Acid, 149 Phosphorus, Effect of Light upon, 56 Photo Salts of Carey Lea, 61, 62 Photo chemical Extinction, 57, 58 Photo-chemistry of Silver Compounds, 58 Photo oxidation 52 Photo-reduction 55 Physics and Chemistry, 10 Platinic Chloride, 111, 112, 131 Platinic Chloride, Molecular Formula for, 36 Platinotype, 131, 132 Platinons Chloride, Ill Platinum, 130 Platinum, Experiment with, 31 Platinum, and lead Toning, 87, 88 Platinum, Printing in. 86 Polymerism of Compounds, 138 Potassium Chlorate, 49 Potassium Chloroplatinate, lii Potassium Cyanide, Formula for, 133 Potassium Cyanide on Silver, Action of, 127 Potassium Ferrocyanide, 133 Potassium Iodide on Silver, Action of, 127 Printing. Bromide, 85, 86 Printing in Platinum, 86 Proportion, Constant, 28, 29 Proportion, Constant, Law of, 26 Proportion, Multiple, Laws of, 28, 29 Pyrocatechol, Formula for, 149 Pyrogallol, 151, 152 Pyrogallol, Moderating, 72 Pyrolusite, 49 Pyroxyline, 144 Radicals, Compound, 38 Rain Water, 46 Reaction, Chemical, Compound Produced during, 42 Reactions, Reversible, 41, 42 Reagent, Nessler’s, 47 Reduced Silver, 72, 73 Reducer, Ferric Chloride, 79 Reducer, Ferricyantde, 80 Reduction, Ammonium Persulphate used in, 120 Reduction, Chemical, 55 Reduction, Chemistry of, 79-81 Resorcinol, Formula for, 149 Restrainers, Development with, 69, 70 Retort, 48 Reversal, Explanation of, 78 Reversal by Light Action, 77, 78 Reversible Reactions, 41, 42 Ripening of Emulsions, 66 Rodinal, 153 Rust, Iron, 10, 11 Salts, 98 Salts, Acid, 98, 99 Salts, Analysis of, 26 Salts, Carey Lea’s Photo, 61, 62 Salts, Gold, 129, 130 Salts, Preparation of, 118, 99 Selenium, Effect of Light upon, 56 Sensitisers, 67, 142 Silver, 126 Silver, Action of, on Mercuric Chloride, 125 Silver, Action of, Nitric Acid on, 127 Silver, Action of, Potassium Cyanide on, 127 Silver, Action of, Iodide on, 127 - Silver, Allotropic Modifications of, 126, 127 Silver, Bromide, 128 Silver Chloride, Action of Light on, 9 Silver Chloride, Formula for, 36, 128 Silver Compounds, Photo-chemistry of, 58 Silver, Electrolytic Action of, 75 Silver Haloids, 128 Silver Image, Growth of, 74, 75 Silver Iodide, 128, 129 Silver Nitrate, 30, 36 Silver Nitrate, Action of Hydrochloric Acid upon, 41 Silver Nitrate Molecules of, 30 Silver, Reduced, Origin of, 72, 73 Soda, Washing, 43 Soda, Washing, Molecular Formula of 43 Sodium Sulphite, Action of Air on, 9 Sodium Sulphite, Intensification with, 82 Solarisation, 77, 78 Specific Gravity, 45 Spirit, Wood, 21 Strontium Compounds, 123 Sublimate, Corrosive, 125 Sublimation, 22 Sub-salts Theory, 59-61 Suiphates in Water, Testing for, 47 Sulphites, Reducing Action of, 117 Sulphocyanide, 120, 121 Sulphur and its Compounds, 114-121 Sulphur, Copper mixed wills, 11 Sulphur Dioxide, 51, 116, 117 Sulphur Dioxide, Formula for, 39 Sulphur Dioxide, hypo from, 117 Sulphuretted Hydrogen, 39 Sulphuric Acid, 109 Sulphuric Acid, Formula for, 38, 39 Symbols, Meaning of, 35-43 Thiocarbamide, 121 Thiocyanate, Ammonium, 120, 121 Thiosulphates, 117, 118 Thiosulphates, Abney on Use of, 71 Thiosulphates, in Developer, 71 Thiosulphates, Fixing by, 118, 119 Thiosulphates, Removal, 119 Thio-urea, 121 Thistle Funnel, 48 Toning, Chemistry of, 86-88 Univalent Elements, 37 Uranium, 130 Uranium Intensifier, 83, 84 Uranium Toning, 88 Valency, Bonds Representing, 37, 38 Valency of Elements Defined, 36, 37 Vapour, Mercury, Development by, 68 Voltaic Cell Defined, 31 Wash Bottle, 15, 16 Washing Soda, 43 Washing Soda, Molecular Formula of, 43 Water Bath, 18 Water of Crystallisation, 43, 45, 46 Water Distillation of, 20, 21 Water Examination of, 47 Water, Hard, 46 Water , Heat Unit of, 44, 45 Water, Impurities in, 45-47 Water , Molecules of, 30 Water , Properties of, 44-47 Wood Spirit, 21 Zinc Electrolysis, 31