Chemical News and Journal of Industrial Science, Tomy 111-112Chemical news office., 1915 |
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Strona 37
... sample d in the volumetric apparatus . Other workers , using a wick lamp , have evidently found the absorption of the products of combustion to be an uncertain factor , as the number of absorption flasks has varied considerably , and as ...
... sample d in the volumetric apparatus . Other workers , using a wick lamp , have evidently found the absorption of the products of combustion to be an uncertain factor , as the number of absorption flasks has varied considerably , and as ...
Strona 39
... sample contained 348 grains per gallon . 100 cc . benzole distilled and 5 fractions obtained . 100 containing 348 grs . per gallon Per cent . 74,685 , 51,625 " 23,060 39 .. = 34800 First drop at 173 ° F. = 51,625 " 20 cc . up to 180 ° F ...
... sample contained 348 grains per gallon . 100 cc . benzole distilled and 5 fractions obtained . 100 containing 348 grs . per gallon Per cent . 74,685 , 51,625 " 23,060 39 .. = 34800 First drop at 173 ° F. = 51,625 " 20 cc . up to 180 ° F ...
Strona 41
... ( Sample A ) . A second sample of ordinary lead chloride was prepared from the purest lead nitrate of commerce in a similar manner . This salt was crystallised three times in glass and twice in platinum , and its aqueous solution was pre ...
... ( Sample A ) . A second sample of ordinary lead chloride was prepared from the purest lead nitrate of commerce in a similar manner . This salt was crystallised three times in glass and twice in platinum , and its aqueous solution was pre ...
Strona 42
... Sample M. A further product made from lead oxidised to sulphate by the action of nitric acid , gave another sample , N. When the work was well advanced , a new sample of Bohemian uranium - lead was prepared especially for us through the ...
... Sample M. A further product made from lead oxidised to sulphate by the action of nitric acid , gave another sample , N. When the work was well advanced , a new sample of Bohemian uranium - lead was prepared especially for us through the ...
Strona 43
... ( Samples C , D ) having an atomic weight not far from 206 · 6 by the same method , and that the lead extracted from English pitch- blende ( Sample F ) had an atomic weight of about 206 9 . The preliminary analyses of the radio - active ...
... ( Samples C , D ) having an atomic weight not far from 206 · 6 by the same method , and that the lead extracted from English pitch- blende ( Sample F ) had an atomic weight of about 206 9 . The preliminary analyses of the radio - active ...
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