 | Hilary Bauerman - Iron - 1868 - 450 pages
...times its weight of carbonates of soda and potash mixed in equal proportions ; the fused mass is then dissolved in dilute hydrochloric acid, evaporated...residue moistened with strong hydrochloric acid, and after standing for some hours, digested with hot water and filtered. Silica and titanic acid are rendered... | |
 | Hilary Bauerman - Iron - 1868 - 458 pages
...times its weight of carbonates of soda and potash mixed in equal proportions; the fused mass is then dissolved in dilute hydrochloric acid, evaporated...dryness, the residue moistened with strong hydrochloric acid,s and after standing for some hours, digested with hot water and filtered. Silica and titanic... | |
 | William Crookes - Analytical chemistry - 1871 - 498 pages
...ignited at a bright red heat and weighed as manganosomanganic oxide. 8. The insoluble portion (1) was fused with excess of the alkaline mixture obtained...by dividing it into two portions, and treating one by hydrofluoric acid and the other by caustic potash ; any impurity was separated if the amount was... | |
 | Hilary Bauerman - Iron - 1882 - 588 pages
...times its Weight of carbonates of soda and potash mixed in equal proportions ; the fused mass is then dissolved in dilute hydrochloric acid, evaporated...residue moistened with strong hydrochloric acid, and after standing for some hours, digested with hot water and filtered. Silica and titanic acid are rendered... | |
 | William Crookes - Analytical chemistry - 1886 - 782 pages
...ignited at a bright red heat and weighed as manganoso-manganic oxide. 8. The insoluble portion (1) was fused with excess of the alkaline mixture obtained...moistened with strong hydrochloric acid, and left twenty-four hours ; it was then digested with hot water, filtered, and the silica ignited and weighed.... | |
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The filtrate from the succinate of iron was rendered alkaline by ammonia ; a few drops of bromine were added, and it was left 24 hours. The precipitate was ignited at a bright red heat and weighed as manganosomanganic oxide. 8. The insoluble portion (1)... 