Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 191
... Section . The University , Leeds , at 10 a.m. " Determin- ation of the pH of Tanning Extracts , " by Dr. D. Burton . " Sulphuric Acid in Vege- table Tanned Leather , " by Messrs . Atkin and 191 The Chemical News . March 18 , 1932 .
... Section . The University , Leeds , at 10 a.m. " Determin- ation of the pH of Tanning Extracts , " by Dr. D. Burton . " Sulphuric Acid in Vege- table Tanned Leather , " by Messrs . Atkin and 191 The Chemical News . March 18 , 1932 .
Strona 192
... sulphuric acid . Frisher , H. , 35 , Budapester- strasse , Berlin . Sulphuric acid is recovered from the waste acid liquors from the refining of oils , fats and the like by concentrating the liquors until they contain , at least 60 per ...
... sulphuric acid . Frisher , H. , 35 , Budapester- strasse , Berlin . Sulphuric acid is recovered from the waste acid liquors from the refining of oils , fats and the like by concentrating the liquors until they contain , at least 60 per ...
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