P Palmitin, [78] Pearls, [51] Peregrine Phillips, [21] Philosopher’s stone, [2] Phosphoric acid, [57] Plaster of Paris, [27] Potash, caustic, [97] ——, mild, [93] Potassium, [95] —— bicarbonate, [94] —— nitrate, [29] Propellants, [33] Prussian blue, [25] Pyrites burners, [14] Pyroligneous acid, [73]
Q Quartz, [61] —— fibres, [62] ——, smoky, [61] Quicklime, [5], [51]
R Red liquor, [73] Rock crystal, [61] Rupert’s drops, [65]
S Sal ammoniac, [99] —— prunella, [29] Salt cake, [84] ——, common, [47] ——, formation of a, [4] Saltpetre, [29] Salts, from carbonates, [5] ——, from oxides, [5] ——, from metals, [4] ——, insoluble, [6] Sandstone, artificial, [66] Saponification, [79] Schweinfurt green, [27] Shells, egg, [51] ——, oyster, [51] Silica, [61] —— ware, [62] Silicic acid, [62] Silver bromide, [48] —— chloride, [48] —— iodide, [48] —— nitrate, [28] —— sand, [61] Soap, hard, [79] ——, soft, [79] Soda, baking, [88] ——, bicarbonate of, [6], [88] ——, bread, [88] ——, caustic, [96] ——, mild, [80] ——, natural, [82] ——, washing, [3], [5], [81] —— water, [49] Sodium, [95] —— nitrate, [29] —— sulphate, [27] Soil bacteria, [38] Solvay process, [90] Sorrel, salts of, [77] Spent oxide, [11] Stalactite, [53] Stalagmite, [53] Stearin, [78] —— candles, [79] Stone ammonia, [99] Suffioni, [60] Sulphur, [11] —— dioxide, [11] —— trioxide, prep. of, [19] Sulphuric acid, properties, [20], [24] —— anhydride, [21] Sulphurous acid, [11] Superphosphate, [57]
T Tallow, [79] Tartaric acid, [76] Tinkal, [61] Trinitrotoluene, [35]
V Verdigris, [74] Vert de Montpellier, [74] Vinegar, [68] ——, malt, [70] ——, wine, [70] Vitriol, blue, [5] ——, nitrated, [16] ——, oil of, [12]
W Ward, Dr., [12] Water, hard, [53] ——, soft, [53] ——, softening of, [54] Wood ashes, source of potash, [3] —— ——, used as soap, [2]
Z Zinc chloride, [5]
THE END