Chemical News and Journal of Industrial Science, Tomy 103-104Chemical news office., 1911 |
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Strona 12
... acid , 100 grms . of crystallised acetic acid , and 290 grms . of acetic anhydride . The density of tetranitromethane is 1.620 at 22 ° . It distils at 124-125 ° under 750 mm . pressure , decomposing very slightly with production of ...
... acid , 100 grms . of crystallised acetic acid , and 290 grms . of acetic anhydride . The density of tetranitromethane is 1.620 at 22 ° . It distils at 124-125 ° under 750 mm . pressure , decomposing very slightly with production of ...
Strona 15
... acid solution ( 1:10 ) to which some hydrogen peroxide ( 2 cc . perhydrol per 100 cc . ) had been added . The same ... acetic acid . During analysis a drop No. Cu taken . Cu found . Ampères . Volts.
... acid solution ( 1:10 ) to which some hydrogen peroxide ( 2 cc . perhydrol per 100 cc . ) had been added . The same ... acetic acid . During analysis a drop No. Cu taken . Cu found . Ampères . Volts.
Strona 16
... acid present in the copper determination of No. I was O'I cc . nitric and ... acetic . Cc . Mins . I. 0 * 3067 0 * 3050 2 . 0.3067 0'3054 3 . 0.3067 ... acid Time . Cc . Grms . Grms . 1 2 3 ÷ ño Noo I. 0.7284 0.7264 5-3 5.6-5'1 21-23 0'75 ...
... acid present in the copper determination of No. I was O'I cc . nitric and ... acetic . Cc . Mins . I. 0 * 3067 0 * 3050 2 . 0.3067 0'3054 3 . 0.3067 ... acid Time . Cc . Grms . Grms . 1 2 3 ÷ ño Noo I. 0.7284 0.7264 5-3 5.6-5'1 21-23 0'75 ...
Strona 24
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH3 3 > C ( OH ) —CHCI - CO2C2H5 . CH3 From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ...
... acetic acid the solution yields a - chlor - 8- oxyisovalerianic ether of formula- CH3 3 > C ( OH ) —CHCI - CO2C2H5 . CH3 From this ether , dimethyl glycidic ether can be obtained by treatment with the theoretical amount of sodium ...
Strona 28
... acid for the separation of the silica . Fluorine . - One grm . sample is very finely ground , slowly fused with 2 ... acetic acid until carbon dioxide is no longer given off on heating . The liquid is then evaporated to dryness , the ...
... acid for the separation of the silica . Fluorine . - One grm . sample is very finely ground , slowly fused with 2 ... acetic acid until carbon dioxide is no longer given off on heating . The liquid is then evaporated to dryness , the ...
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