Chemical News and Journal of Industrial Science, Tomy 119-120Chemical news office., 1919 |
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Strona 8
... Sodium as Excited by Fluorescence . " A improved form of sodium vapour lamp , in quartz , is described , giving an intensely bright sodium spectrum , admirably adapted for exciting sodium vapour to resonance . It is found that excitation of ...
... Sodium as Excited by Fluorescence . " A improved form of sodium vapour lamp , in quartz , is described , giving an intensely bright sodium spectrum , admirably adapted for exciting sodium vapour to resonance . It is found that excitation of ...
Strona 10
... sodium salt of glucose - phenyl - osazone - para - carboxylic acid pre- pared in this way , proving to be a very suitable dye for the preparation of sharp cut light filters , has been given the name of " Eastman Yellow . " From this new ...
... sodium salt of glucose - phenyl - osazone - para - carboxylic acid pre- pared in this way , proving to be a very suitable dye for the preparation of sharp cut light filters , has been given the name of " Eastman Yellow . " From this new ...
Strona 11
... sodium bicar- bonate , and to see if there is in this case any diminution n the amount of true casein , and the author intends to investigate this question . - Annales des Falsifications , 1919 , icxxv . - cxxvi . , 78 . THE COMMERCIAL ...
... sodium bicar- bonate , and to see if there is in this case any diminution n the amount of true casein , and the author intends to investigate this question . - Annales des Falsifications , 1919 , icxxv . - cxxvi . , 78 . THE COMMERCIAL ...
Strona 19
... sodium and potassium oxides was intro- duced into c before assembling the apparatus and fused to the wall with a weak flame . Owing to the low melting . point of the mixture it could be melted in a very thin layer at two or three spots ...
... sodium and potassium oxides was intro- duced into c before assembling the apparatus and fused to the wall with a weak flame . Owing to the low melting . point of the mixture it could be melted in a very thin layer at two or three spots ...
Strona 24
... sodium salts . solution known as the " prepared solution " is generally obtained by boiling the original substance with a strong Na2CO3 solution and filtering the mixture . The filtrate is made slightly acid with acetic acid and then ...
... sodium salts . solution known as the " prepared solution " is generally obtained by boiling the original substance with a strong Na2CO3 solution and filtering the mixture . The filtrate is made slightly acid with acetic acid and then ...
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