INDEX

A Acetic acid (glacial), [73] Acids, early notions of, [1] ——, fatty, [78] ——, mineral, [68] ——, vegetable, [68] Agate, [61] Air-saltpetre, [42] Alkali Acts, [44] ——, caustic, [96] ——, metals, [95] ——, mild, [80] —— waste, [87] Alkalis, properties, [3] Aluminium acetate, [73] Alums, the, [26] Amethyst, [61] Ammonal, [36] Ammonia, [97] ——, synthetic, [99] Ammonite, [99] Ammonium carbonate, [99] —— chloride, [98] —— nitrate, [99] —— sulphate, [99] Anhydride, an, [21] Anode, [103] Argol, [76] Asbestos, [63] ——, platinized, [19] Ash, black, [84] ——, pearl, [93] ——, soda, [10], [92] Atolls, [51] Atomized water, [18]

B Bacon, Roger, [32] Basic slag, [58] Basil Valentine, [12] Beryl, [63] Black liquor, [74] Blasting gelatine, [35] Bleaching powder, [46] Blue-john, [47] Boiler scale, [54] Bonbonnes, [31] Bone, [56] —— ash, [57] —— black, [56] —— meal, [56] Borax, [59] Bordeaux mixture, [7] Boric acid, [58] Boyle, Robert, [2] Burgundy mixture, [6]

C Calcium acetate, [5] —— bicarbonate, [54] —— carbonate, [50] —— fluoride, [47] —— nitrate, [29] —— phosphate, [56] —— sulphate, [27] Calc spar, [50] Caliche, [29] Calico printing, [26] Carbon, [49] Carbonic acid, [49] —— —— gas, [49] Castner process, [105] Catalytic action, [20] Cathode, [103] Cat’s-eye, [61] Cavendish, H., [40] Cellulose, [46] Chalcedony, [61] Chalk, [50] Chert, [66] Chili-saltpetre, [29], [39] China clay, [62] Citric acid, [77] Chlorides, [47] Chlorine, [46] Chrome yellow, [28] —— red, [28] Compound, [7] Compounds, binary, [8] Contact action, [20] —— process, [18] Copper refining, [107] —— sulphate, [5], [27] Coral reefs, [51] Cordite, [34] Cream of tartar, [76] Crops, rotation of, [37] Crystallization, water of, [9] Crystals, [9]

D Davy, Sir Humphry, [95] Derbyshire spar, [47] Devitrification, [65] Dynamite, [35]

E Efflorescence, [82] Electrode, [103] Electrolysis, [102] Electrons, [103] Electrotype blocks, [107] Element, definition of, [7] Elements, list of, [8] Explosives, [32]

F Felspars, [62] Ferrous acetate, [74] —— sulphate, [25] Flint, [61] Fluorspar, [48] Formic acid, [78] Fur in kettles, [54]

G Garnet, [63] Gas, laughing, [99] —— lime, [12] —— liquor, [98] Gay Lussac tower, [16] Glass, [64] ——, annealing of, [65] ——, Bohemian, [63] ——, etching on, [47] ——, flint, [63] ——, lead, [63] ——, soda, [63] ——, water, [66] Glauber’s salt, [10] Glover tower, [17] Glue, [56] Graphite, [108] Greek fire, [32] Guncotton, [34] Gunpowder, [32] Gypsum, [27]

H Haber process, [100] Halogen, [43] Hardness, permanent, [53] ——, temporary, [53] Hartshorn, salt of, [99] ——, spirits of, [97] Hornblende, [63] Hydriodic acid, [48] Hydrobromic acid, [48] Hydrochloric acid, [43] Hydrofluoric acid, [47]

I Iceland spar, [50] Ions, [103] Iron pyrites, [11]

J Jade, [63] Jasper, [61]

K Key industries, [10]

L Lake, [26] Lead acetate, [75] —— chambers, [17] —— chamber process, [14] ——, sugar of, [75] —— sulphate, [27] ——, white, [75] Leblanc soda process, [82] Leguminosae, [37] Lemon, salts of, [77] Lime burning, [51] ——, caustic, [97] —— kiln, [51] Limestone, [50] Litmus, [2] Lupin root, [37]

M Marble, [50] Marking ink, [28] Meerschaum, [63] Mica, [63] Mordants, [26] Mycoderma aceti, [68]

N Neutralization, example of, [4] ——, explanation of, [3] Niagara, [101] Nitre, [29] —— pots, [14] Nitric acid, [30] —— ——, from air, [40] —— ——, importance of, [28] —— —— manufacture of, [30] —— ——, properties, [31] —— ——, red fuming, [31] —— oxide, [16] Nitrogen cycle, [37] ——, fixation of, [100] —— peroxide, [16] Nitroglycerine, [34]

O Olein, [78] Onyx, [61] Opal, [61] Orthoclase, [62] Oxalic acid, [77]

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