Dirt. Per centage of water, Chloride of sodium,. do do 2 Analyses of several specimens of Onondaga salt. 6 7 8 9 10 11 12 1.20 6.30 11.50 99.64 99.59 98.841 0 05 trace 0.08 trace 0.038 3 4 0.50 2.30 1.40 1.50 2.40 1.30 1.90 1.80 98.77 98.54 97.29 98.58 99.11 98.79 98.74 98.89 98.11 magnesium, trace 0.12 0.11 0.06 trace 0.04 0.07 0.05 0.02 calcium, 0.00 0.111 0.16 0.10 0.07 0.05 0.07 0.06 0.02 1.23 1.23 2.44 1.26 0.82 1.12 1.12 1.00 1.85 0.23 0.41 1.106| 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 99.985 .015 Sulphate of lime,.... 1. Is fine salt, made without lime, and washed by pouring brine from the reservoir, on it while standing in the basket to drain. 2. Is "cool down salt," or salt made in kettles immediately after the fires were extinguished. 3. Salt badly panned. 4. Salt made at Salina, without lime. 5. Salt made at Liverpool, with lime. 6, 7 and 8. Good specimens of solar salt; the latter a little discolored by oxide of iron. 9. Solar salt; last year's manufacture. 10 and 11. Salt made by Howd's process. 12. Salt made at "Hope Factory ;" analyzed by Dr. L. C. Beck, in 1844, See report on Nat. Hist. N'Y., 1849, p. 118. |