16 
Compounds of certain heav^’ metals — Continued. 
Iron salts — Continued. 
Iron alum, 73, 
Basic sulfate of iron, 73. 
Iron stains, 45. 
Rust spots, 76. 
Potassium ferricyanide, 77, 124, 137, 147. 
Iron peroxide, 10, 
Manganese salts, 3, 128, 169, 203. 
Manganous oxide, 73. 
Manganous chloride, 137. 
Manganese peroxide, 10, 73, 147, 184. 
Potassium permanaganate, 7, 10, 24, 37, 73, 124, 147, 165, 181, 184. 
Lead salts, 128, 169. 
Lead acetate, 137. 
Lead peroxide, 147, 170, 184. 
Platinum salts, 203. 
Tungstic acid and potassium tungstate, 137. 
Mercuric chloride, 10, 37, 147. 
Silver nitrate, 165. 
Silver oxide, 147. 
Silver acetate, 147. 
Miscellaneous inorganic substances: 
Acid anhydrides, 183. 
Barium carbonate (and hydrochloric acid), 137. 
Hypochlorous acid, 139, and hypochlorites, 10, 170, 184. 
Xitric acid, 124, 170. 
Nitrous acid, 24, 124, 126, 139, 161, 170, 184. 
Potassium antimoniate, 137. 
Potassium chlorate, 170. 
Potassium nitrate, 137. 
Potassium nitrite, 137. 
Potassium bromide, 165. 
Potassium iodide, 164, 165. 
Sodium chloride, 157, 165 (even sodium chloride has been found to give the 
guaiacum reaction in the presence of hydrogen peroxide). 
Sodium sulfocyanide, 2, 156, 183, 200. 
Sodium bromide, 165. 
Substances of animal origin: 
Animal ferments, 139. 
Ash of blood, 128. 
Blood of invertebrates, 12, 170. 
Gelatin, 76, 124. 
Milk, 10, 37, 76, 81, 82, 164, 184. 
Casein, 73, 105. 
Organic secretions, 128, and excretions. 
^ Bile, 10, 164. 
Feces (after diet of raw or cooked meats or foods containing blood), 49, 91, 171. 
Intestinal detritus and secretions, 164. 
Xasal mucus, 5, 10, 100, 164. 
Pus, 10, 37, 86, 114, 128, 164, 191, 192, 196. 
Saliva, 5, 10, 37, 100, 106, 128, 164, 165. 
Secretions containing leucocytes, 191. 
Red flesh, 73. 
