 A convenient amount of the alcohol to be purified is shaken with pulverized potassium permanganate until it a'ssumes a decided color. It is then allowed to stand for some hours, until the permanganate has been decomposed and brown manganese oxide is deposited....  The Analyst - Side 451889Uten tilgangsbegrensning - Om denne boken
 | 1890 - 636 sider
...of Alcohol for Laboratory Uses. E. Walter. (At.alyst, March, Ib90, from Journ. Anier. CJiem. jb'oc.) A convenient amount of the alcohol to be purified...a decided colour. It is then allowed to stand for some hours, iintil the permanganate has been decomposed and brown manganese oxide is deposited. A pinch... | |
 | American Pharmaceutical Association - 1890 - 884 sider
...communicates the following method for the purification of alcohol, on which method he asks criticism : A convenient amount of the alcohol to be purified is shaken with pulverized potassium permanganate until it assumes a decided color. It is then allowed to stand for... | |
 | Hermann Theodore Vulté, George M. S. Neustadt - 1895 - 200 sider
...iodo-mercuric chloride solution. For such purposes either of the two following methods may be used. A convenient amount of the alcohol to be purified is shaken with pulverized potassium permanganate until it a'ssumes a decided color. It is then allowed to stand for... | |
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