Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 9
... solution of sodium hydroxide until free from acid . Myristic acid ( 125 grms . ) was recovered from the washings , mixed afresh with glacial acetic acid , and again treated . When the products from the two opera- tions were fractionally ...
... solution of sodium hydroxide until free from acid . Myristic acid ( 125 grms . ) was recovered from the washings , mixed afresh with glacial acetic acid , and again treated . When the products from the two opera- tions were fractionally ...
Strona 15
... solution by addition of ferrous sulphate solu- tion and dilute to 100 cc . To 25 cc . of the solution add 2 cc . of a 10 per cent solution of ferric_alum , and titrate with N / 10 ammonium sulphocyanate . Each cc . consumed corresponds ...
... solution by addition of ferrous sulphate solu- tion and dilute to 100 cc . To 25 cc . of the solution add 2 cc . of a 10 per cent solution of ferric_alum , and titrate with N / 10 ammonium sulphocyanate . Each cc . consumed corresponds ...
Strona 17
... solution obtained in this way is always dark coloured . On careful evapora- tion of this alcoholic solution , adding water to keep the volume constant until the alcohol is removed , there is formed a brown or reddish brown precipitate ...
... solution obtained in this way is always dark coloured . On careful evapora- tion of this alcoholic solution , adding water to keep the volume constant until the alcohol is removed , there is formed a brown or reddish brown precipitate ...
Strona 33
... solution . If the alcohol is removed by evaporation and water added to keep the volume constant , a dark coloured ... solution was then shaken successively with water solutions of alkaline salts in the following order : -First , I per ...
... solution . If the alcohol is removed by evaporation and water added to keep the volume constant , a dark coloured ... solution was then shaken successively with water solutions of alkaline salts in the following order : -First , I per ...
Strona 34
... solution was acidified with sulphuric acid the fatty acids were set free and extracted by shaking with ether . The mixture of fatty acids obtained on evaporating the ether was a fatty semisolid mass from which crystal line leaflets ...
... solution was acidified with sulphuric acid the fatty acids were set free and extracted by shaking with ether . The mixture of fatty acids obtained on evaporating the ether was a fatty semisolid mass from which crystal line leaflets ...
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