Chemical News and Journal of Industrial Science, Tomy 99-100Chemical news office., 1909 |
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Strona 1
... mineral . The disadvant- ages of this mode of procedure are obvious , a very large amount of alkali is employed , and much time and mani- defects arise from the fact that it is impossible to raise the pulation is necessary . I shall ...
... mineral . The disadvant- ages of this mode of procedure are obvious , a very large amount of alkali is employed , and much time and mani- defects arise from the fact that it is impossible to raise the pulation is necessary . I shall ...
Strona 2
... mineral is a very tedious and lengthy operation . Some of the complex titano - niobates are but little attacked by hydrofluoric acid . Fusion with bifluoride of potassium has some advantages ; its action is more powerful than that of ...
... mineral is a very tedious and lengthy operation . Some of the complex titano - niobates are but little attacked by hydrofluoric acid . Fusion with bifluoride of potassium has some advantages ; its action is more powerful than that of ...
Strona 3
... mineral is carried on to an extent inconvenient in ordinary laboratories a complete resolution of the mineral is rarely , if ever , attained at one operation . However long the fusion is continued , the acids obtained by extracting the ...
... mineral is carried on to an extent inconvenient in ordinary laboratories a complete resolution of the mineral is rarely , if ever , attained at one operation . However long the fusion is continued , the acids obtained by extracting the ...
Strona 25
... mineral up to about 25 grms . These crucibles are 2 inches high , 24 inches broad at the top , and 1 inches across the bottom . They are furnished with well - fitting covers which overhang the top of the crucible about three- space ...
... mineral up to about 25 grms . These crucibles are 2 inches high , 24 inches broad at the top , and 1 inches across the bottom . They are furnished with well - fitting covers which overhang the top of the crucible about three- space ...
Strona 26
... mineral it is not indicated . In order to ascertain what amount of carbonate of potassium is necessary I have made a good many trials with different proportions with columbites and tantalites ; four parts of carbonate to one of mineral ...
... mineral it is not indicated . In order to ascertain what amount of carbonate of potassium is necessary I have made a good many trials with different proportions with columbites and tantalites ; four parts of carbonate to one of mineral ...
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