Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 28
... oxides , first the precipitate from the Schaffgotsch mercuric oxide solution is ignited to drive off the mercuric oxide , and the silica left is weighed . The residue from the original melt , together with the precipitate obtained by ...
... oxides , first the precipitate from the Schaffgotsch mercuric oxide solution is ignited to drive off the mercuric oxide , and the silica left is weighed . The residue from the original melt , together with the precipitate obtained by ...
Strona 29
... Oxide . - The filtrate from the iron and alumina is raised to boiling , treated with boiling ammonium oxalate solution , and digested on water - bath until precipitate readily and quickly settles after being stirred . The calcium ...
... Oxide . - The filtrate from the iron and alumina is raised to boiling , treated with boiling ammonium oxalate solution , and digested on water - bath until precipitate readily and quickly settles after being stirred . The calcium ...
Strona 31
... oxide of copper which may form during the melting . It has been used for years in the brass industry , and the memory of the " oldest inhabitant " fails to indicate the date of its inception . Common salt is so efficacious in reducing oxide ...
... oxide of copper which may form during the melting . It has been used for years in the brass industry , and the memory of the " oldest inhabitant " fails to indicate the date of its inception . Common salt is so efficacious in reducing oxide ...
Strona 32
... oxide of copper formed in melting the copper previous to the addi- tion of the spelter . The brass rolling mills in the Nauga - ferable to introducing manganese through the agency of a tuck Valley , Connecticut , and elsewhere as well ...
... oxide of copper formed in melting the copper previous to the addi- tion of the spelter . The brass rolling mills in the Nauga - ferable to introducing manganese through the agency of a tuck Valley , Connecticut , and elsewhere as well ...
Strona 42
... oxide , since yttrium nitrate is extremely soluble . The Preparation of Yttria Material . The crude yttria earths were first submitted to a long fractional crystallisation by the bromate method ( Fourn . Am . Chem . Soc . , xxx . , 182 ) ...
... oxide , since yttrium nitrate is extremely soluble . The Preparation of Yttria Material . The crude yttria earths were first submitted to a long fractional crystallisation by the bromate method ( Fourn . Am . Chem . Soc . , xxx . , 182 ) ...
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