Chapter LXIV: Appendix: Chemicals

The following estimate is for twenty pupils: - Alcohol 1 pt Alum 1 oz Ammonium chloride 1/2 lb Ammonium hydrate 1 lb Ammonium nitrate. 1/2 lb Antimony (powdered metallic) 1/2 oz. Arsenic (powdered metallic) 1/2 oz. Arsenic trioxide..... 1 oz. Barium chloride..... 1 oz. Barium nitrate..... 1 oz. Beeswax....... 1 oz. Bleaching-powder.... 1/4 lb. Bone-black...... 1/2 lb. Bromine....... 1/4 lb. Calcium chloride.... 1 lb. Calcium fluoride (powdered) 1 lb. Cannel coal 1 lb Carbon disulphide 1/4 lb Chlorhydric acid 6 lb Cochineal 1 oz Copper (filings) 2 lb. Copper nitrate 1 oz Copper oxide 1/4 lb. Ether (sulphuric) 1/4 lb Ferrous sulphide 1 lb. Ferrous sulphate 1/4 lb Indigo 1/4 lb Iodine 1 oz Iron (filings or turnings) 1 lb. Lead (sheet) 4 lb Lead acetate 1 oz Lead nitrate 1/4 lb Litmus 1/2 oz Litmus paper 3 sheets Magnesium ribbon.... 3 ft. Manganese dioxide.... 2 lb. Mercurous nitrate.... 1/2 oz. Nitric acid 3 lb. Oxalic acid 1/4 lb Phosphorus 1/4 lb Potassium (metallic) 1/8 oz Potassium bromide 1/4 lb. Potassium dichromate 1/4 lb. Potassium chlorate 2 lb. Potassium hydrate 1/4 lb. Potassium iodide 2 oz Potassium nitrate 1/4 llb Silver nitrate 1 oz. Sodium 1/8 oz. Sodium carbonate 1/4 lb Sodium hydrate 1 lb. Sodium nitrate 1/2 lb Sodium silicate..... 1/2lb Turkey red cloth.... 1/2yd Sodium sulphate..... 1/4lb Turpentine(spirits). 1/4lb Sodium sulphide..... 1/4lb Zinc(granulated).... 2lb Sodium thiosulphate. 1/4lb Zinc foil........... 3ft Sulphur............. 2lb Sulphuric acid...... 12lb

Additional Material

These substances are best obtained of local dealers.

Calcium carbonate(marble)..... 1lb Molasses...................... 1pt Calcium oxide(unslaked lime).. 1lb Sodium chloride(fine)......... 1lb Charcoal...................... 1lb Sodium chloride(coarse)....... 1lb Sheet lead.................... 4lb Sugar......................... 1/2lb

FOR EXAMINATION

Those in capitals are most important

Rocks and Minerals. ARGILLITE, ARESENIC, ARSENOPYRITE, Barite, CALCITE, CASSITERITE, CHALCOPYRITE, CHALK, CINNABAR, COPPER (native), Corundum, Dolomite, EMERY, FELDSPAR, Flint, GALENITE, GRANITE, GRAPHITE, GYPSUM, HEMATITE, Hornblende, Jasper, LIMONITE, MAGNESITE, MAGNETITE, MALACHITE, Meerschaum, MICA, OBSIDIAN, Orpiment, PYRITE, QUARTZ, Realgar, SAND, SERPENTINE, SIDERITE, SPHALERITE, Talc, ZINCITE

Metals and Alloys.

Aluminium, Iron (cast), Aluminium bronze. Pewter, Bell metal, Solder, Brass, Steel, Bronze, Type metal, Copper, Tin foil, Galvanized iron, Tin (bright plate and terne plate), German silver, Zinc (sheet). Iron (wrought)

Additional Compounds, for Examination:

Copper acetate, Lead carbonate, Copper arsenite, Red lead, Copper nitrate, Magnesia alba, Copper sulphate, Smalt, Lead dioxide, Vermilion. Lead protoxide,

TABLE OF SOLUTIONS.

Number of grams of solids to be dissolved in 500cc of water.

AgNO3......... 25 K2Al2(SO4)4...... 50 BaCl2......... 50 KBr.... 25 Ba(N0 3)2........ 30 K2Cr207........ 50 CaClz......... 60 KI.......... 25 Ca(OH)2...... saturated KOH....... 60 CaS04....... saturated NaICOS........ 50 CUC12 50 NaOH 60 Cu(N03)......... 50 NalSl03....... saturated FeS04......... 50 NH,N03........ 50 HgC12......... 30 Pb(C2H302)2...... 50 HgN03..... 25 + 25 HN03 Pb(NOs)2....... . 50

Other solutions....saturated.

Indigo solution (sulphindigotic acid) is prepared by heating for several hours over a water bath, a mixture of ten parts of H 2SO4 with one of indigo, and, after letting it stand twenty-four hours, adding twenty parts of water and filtering.

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