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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1846. Not illustrated. Excerpt: ... CHAPTER XVIII. ASSAY TABLE, SHOWING THE AMOUNT OF GOLD OR SILVER, IN OUNCES, PENNYWEIGHTS, AND GRAINS, CONTAINED IN A TON OF ORE, &C, FROM THE WEIGHT OF METAL OBTAINED IN AN ASSAY OF 200 GRAINS OF MINERAL. If 200 grains of ore give: FINE METAL. gr. .853 .854 .855 .856 .857 .858 .859 .860 .861 .862 .863 .864 .865 .866 .867 .868 .869 .870 .871 .872 .873 .874 .875 .876 .877 .878 .879 .880 .881 .882 .883 .884 .885 .886 One ton of ore will yield: FINE METAL. oz. dwts. grs. 139 6 11 139 9 17 139 13 0 139 16 6 139 19 12 2 19 6 1 9 8 140 12 14 140 15 20 140 19 3 2 9 5 16 8 22 4 140 140 140 141 141 141 141 12 141 15 141 142 142 142 11 18 17 8 12 142 11 19 142 15 1 142 18 1 4 8 143 143 143 8 14 20 3 143 11 9 143 14 16 143 17 22 144 1 4 144 4 144 7 144 11 144 14 If 200 grains One ton of ore of ore give: will yield: FINE METAL. FINI METAL. gr. 07. dwts. grs. .995 162 10 8 .996 162 13 14 .997 162 16 20 .998 163 0 3 .999 163 3 9 1.000 163 6 16 INDEX. A. ACID, Antimonic, action of the blow-pipe on, 147. Antimonious, action of blow-pipe on, 147. Boracic, uses of, 95, 135. Hydrochloric, uses of, 126. Molybdic action of blow-pipe on, 145. Nitric, uses of, 126. Phosphoric, detection of, 138. Sulphuric, uses of, 126. Tungstic, action of blow-pipe on, 146. AGENTS, Sulphurating, 91. AIKENITE, action of blow-pipe on, 171. ALCOHOL, uses of, 127. ALKALIES, the caustic uses of, 79. Carbonated, use of, 80, 96. ALUMINA, action of blow.pipe on, 144. uses of, 95. AMALGAM, action of blow-pipe on, 180. detection of, 197. AMMONIA, uses of, 146. Carbonate, uses of, 126. Oxalate, uses of, 68, 126. . Phosphate of, and Soda, uses of, 132. Hydrosuiphuret, uses of, 126. AMMONIUM, Sulphide, uses of, 126. ANALYSIS, Calamine, of, 223. ---- Copper, Antimonial, of, 220. Carbonate of, 219. Grey, of, 218. P...
