Chemical News and Journal of Industrial Science, Tomy 125-126Chemical news office., 1923 |
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Strona 3
... pure state as it is very soluble in alcohol and the losses during crys- tallisation are large . 5. Fusion of Paranitro - Benzal - Para- toluidide with Sulphur . It was expected that on fusion with sul- phur this compound would behave in ...
... pure state as it is very soluble in alcohol and the losses during crys- tallisation are large . 5. Fusion of Paranitro - Benzal - Para- toluidide with Sulphur . It was expected that on fusion with sul- phur this compound would behave in ...
Strona 5
... pure dehydrothiotoluidin . To avoid over- heating , the distillation flask was heated in a sodium nitrate bath , but this was dis- carded as it was too difficult to control the foaming which inevitably accompanies the operation . If the ...
... pure dehydrothiotoluidin . To avoid over- heating , the distillation flask was heated in a sodium nitrate bath , but this was dis- carded as it was too difficult to control the foaming which inevitably accompanies the operation . If the ...
Strona 6
... pure science . To experiment in pure science is luxury work , and few can afford to do this . Successful experimentation in this field is nevertheless exceedingly difficult , and an enormous amount of labour with patience is required ...
... pure science . To experiment in pure science is luxury work , and few can afford to do this . Successful experimentation in this field is nevertheless exceedingly difficult , and an enormous amount of labour with patience is required ...
Strona 11
... pure white crystalline variety , resembling marble . The analysis shows it to be almost a true dolomite . The specific gravity is 2.80 . 5. Specimen from Mauknerbach , Tyrol , Austria ; a pink , massive variety , of a pearly lustre ...
... pure white crystalline variety , resembling marble . The analysis shows it to be almost a true dolomite . The specific gravity is 2.80 . 5. Specimen from Mauknerbach , Tyrol , Austria ; a pink , massive variety , of a pearly lustre ...
Strona 12
... pure science . To experiment in pure science is luxury work , and few can afford to do this . Successful experimentation in this field is nevertheless exceedingly difficult , and an enormous amount of labour with patience is required ...
... pure science . To experiment in pure science is luxury work , and few can afford to do this . Successful experimentation in this field is nevertheless exceedingly difficult , and an enormous amount of labour with patience is required ...
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