Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 10
... complete system of qualitative analysis , volumetric , electro - chemical , and spectrum analysis ; this latter section contains a useful plate showing the absorption spectra of a large number of dye- stuffs from Wood's " Physical ...
... complete system of qualitative analysis , volumetric , electro - chemical , and spectrum analysis ; this latter section contains a useful plate showing the absorption spectra of a large number of dye- stuffs from Wood's " Physical ...
Strona 16
... complete separation of the isotopes might be possible , but instead of using moisture to collect the particles they could be condensed on the casing by cooling it . Lead from different radio - active sources has different atomic masses ...
... complete separation of the isotopes might be possible , but instead of using moisture to collect the particles they could be condensed on the casing by cooling it . Lead from different radio - active sources has different atomic masses ...
Strona 24
... complete , and in the confusion of workmen , packing cases , and cleaners it was difficult to form any idea of the particular exhibits - a description must be left for a later issue ; but it was quite evident that an immense amount of ...
... complete , and in the confusion of workmen , packing cases , and cleaners it was difficult to form any idea of the particular exhibits - a description must be left for a later issue ; but it was quite evident that an immense amount of ...
Strona 25
... complete . Boil for one minute , filter while hot on a double filter . Reject residue of BaSO4 . Filtrate may contain BO3 , C4H4O6 , C204 , F , AsO4 , PO4 , Ca , SO4 , and an excess of HCl . Add 5 grms . NH4Cl , dilute to 100 cc . ( 14 ) ...
... complete . Boil for one minute , filter while hot on a double filter . Reject residue of BaSO4 . Filtrate may contain BO3 , C4H4O6 , C204 , F , AsO4 , PO4 , Ca , SO4 , and an excess of HCl . Add 5 grms . NH4Cl , dilute to 100 cc . ( 14 ) ...
Strona 30
... complete precipitation in the cold cell was 5 ampere hours ; in the warm cell , 4'75 ampere hours . The current required by theory for complete precipitation was 4 ampere hours . This showed a current efficiency in the cold cell of 80 ...
... complete precipitation in the cold cell was 5 ampere hours ; in the warm cell , 4'75 ampere hours . The current required by theory for complete precipitation was 4 ampere hours . This showed a current efficiency in the cold cell of 80 ...
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