Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
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Strona 2
... Method $ 3.5gptol 32.5 Hapt 30.05 . At end of 2 hra Time Temp O 210 2. The Kalle Method . The It was observed that the relative amount of napthalene as required in the Casella Method could be varied greatly , without affecting the yield ...
... Method $ 3.5gptol 32.5 Hapt 30.05 . At end of 2 hra Time Temp O 210 2. The Kalle Method . The It was observed that the relative amount of napthalene as required in the Casella Method could be varied greatly , without affecting the yield ...
Strona 3
... method for preparing " Rosenkör- per . 75 It was hoped that in this re- action , if it occurred at all , the hydrogen sulphide formed would reduce the nitro group to the amine , otherwise a final re- duction would be necessary . This method ...
... method for preparing " Rosenkör- per . 75 It was hoped that in this re- action , if it occurred at all , the hydrogen sulphide formed would reduce the nitro group to the amine , otherwise a final re- duction would be necessary . This method ...
Strona 6
... methods . My values for tin were , however , 116 and 121 only . A few illustrative examples may be of interest . The ... method of analysis is 132.81 . Perhaps this value will turn out to be 132.75 ( say ) to harmonise with the tin ...
... methods . My values for tin were , however , 116 and 121 only . A few illustrative examples may be of interest . The ... method of analysis is 132.81 . Perhaps this value will turn out to be 132.75 ( say ) to harmonise with the tin ...
Strona 14
... method for estimating the amount of aluminium in commercial samples is described by L. Losana in Giornale di Chemica Industriale ed Applicata . 0.5 to 1.0 gm . of the metal is heated with caustic potash solution in a flask through which ...
... method for estimating the amount of aluminium in commercial samples is described by L. Losana in Giornale di Chemica Industriale ed Applicata . 0.5 to 1.0 gm . of the metal is heated with caustic potash solution in a flask through which ...
Strona 20
... method , but sub- stituting the molecular quantity of the sulphur base for the aniline . The benzalde- hyde condensation product was isolated from the reaction mixture , but no new com- pound corresponding to atophan was found ...
... method , but sub- stituting the molecular quantity of the sulphur base for the aniline . The benzalde- hyde condensation product was isolated from the reaction mixture , but no new com- pound corresponding to atophan was found ...
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