Chemical News and Journal of Industrial Science, Tomy 5-6Chemical news office., 1862 |
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Strona 121
... precipitate has been com- pletely deposited , the liquid separated by filtration will present the clear yellowish - red colour of bichromate of potash . The chrome salt may be chrome alum , or sul- phate of chromic oxide , or hydrated ...
... precipitate has been com- pletely deposited , the liquid separated by filtration will present the clear yellowish - red colour of bichromate of potash . The chrome salt may be chrome alum , or sul- phate of chromic oxide , or hydrated ...
Strona 137
... precipitate caused by mixing chromate of potash with a neutral chrome salt cannot contain more than one equiva- lent of chromic acid in combination with its chromic oxide , since in the above determinations the chromic acid is nearer ...
... precipitate caused by mixing chromate of potash with a neutral chrome salt cannot contain more than one equiva- lent of chromic acid in combination with its chromic oxide , since in the above determinations the chromic acid is nearer ...
Strona 183
... precipitate which appears when chromate of potash is dropped into a solution of alum , is con- stantly redissolved until the proportion of chromate of potash added amounts to five equivalents to each one of alum ; the precipitate then ...
... precipitate which appears when chromate of potash is dropped into a solution of alum , is con- stantly redissolved until the proportion of chromate of potash added amounts to five equivalents to each one of alum ; the precipitate then ...
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