Chemical News and Journal of Industrial Science, Tomy 117-118Chemical news office., 1918 |
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Strona 12
... Separating Tin and Tungsten in Stanniferous Wolfram . - M . Travers . - The separation of tin and tungsten is one of ... separated . The " artificial leucite , " which contains all the potash and alumina , and two - thirds of the silica ...
... Separating Tin and Tungsten in Stanniferous Wolfram . - M . Travers . - The separation of tin and tungsten is one of ... separated . The " artificial leucite , " which contains all the potash and alumina , and two - thirds of the silica ...
Strona 57
... separated into lead and zinc products , each product smelted separately . Example : Joplin district , Mo. and Metals . - Galena 2. Ores Containing Precious sphalerite , and minerals derived by their oxidation ; either in veins or ...
... separated into lead and zinc products , each product smelted separately . Example : Joplin district , Mo. and Metals . - Galena 2. Ores Containing Precious sphalerite , and minerals derived by their oxidation ; either in veins or ...
Strona 85
... separated . This fact has very clearly been verified for very fine precipitates of calcium sulphate and barium sulphate . In order to make these precipitates coarser , and thus to prevent them from passing through the filters , such ...
... separated . This fact has very clearly been verified for very fine precipitates of calcium sulphate and barium sulphate . In order to make these precipitates coarser , and thus to prevent them from passing through the filters , such ...
Strona 96
... separated into fractions boiling at > 150 ° , 130-150 ° , 110-130 ° , 90-110 ° , 70-90 ° , 50-70 ° , < 50 ° . In this apparatus the fractionation can be performed completely , and errors due to air currents are eliminated . Changes of ...
... separated into fractions boiling at > 150 ° , 130-150 ° , 110-130 ° , 90-110 ° , 70-90 ° , 50-70 ° , < 50 ° . In this apparatus the fractionation can be performed completely , and errors due to air currents are eliminated . Changes of ...
Strona 97
... separated from a zinc plate by being placed in a porous jar . The capacity of the porous jar was about 250 cc . , and that of the zinc compartment about 700 cc . 316 grms . of potassium permanganate and , probably , a little over 6 cc ...
... separated from a zinc plate by being placed in a porous jar . The capacity of the porous jar was about 250 cc . , and that of the zinc compartment about 700 cc . 316 grms . of potassium permanganate and , probably , a little over 6 cc ...
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