Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 5
... Distilled water should be used which has been largely freed from carbon dioxide by washing it from twenty to thirty ... distilled water was used , the error was about o'15 cc . When distilled carbon dioxide had been removed by aërating ...
... Distilled water should be used which has been largely freed from carbon dioxide by washing it from twenty to thirty ... distilled water was used , the error was about o'15 cc . When distilled carbon dioxide had been removed by aërating ...
Strona 11
... distilled . Fractionation of the residual liquid gives ethyl a - hydroxyisobutyrate , boiling at 145-150 ° . After distillation over phosphoric oxide , it boils at 148-150 ° , and the yield is about half the weight of acetone employed ...
... distilled . Fractionation of the residual liquid gives ethyl a - hydroxyisobutyrate , boiling at 145-150 ° . After distillation over phosphoric oxide , it boils at 148-150 ° , and the yield is about half the weight of acetone employed ...
Strona 17
... distilled water again ; and then drying thoroughly . The coating is applied to the well dried tube by attaching a rubber bulb to one end , dipping the other end in the gelatin - chromate mixture , and sucking the mix- ture up to the ...
... distilled water again ; and then drying thoroughly . The coating is applied to the well dried tube by attaching a rubber bulb to one end , dipping the other end in the gelatin - chromate mixture , and sucking the mix- ture up to the ...
Strona 18
... distilled water . The cyanate will act upon the nitric acid . The excess of nitric acid is determined by titration with a standard solution of caustic soda . Each molecule of HNO3 corresponds to one mole- cule of CNO . Having determined ...
... distilled water . The cyanate will act upon the nitric acid . The excess of nitric acid is determined by titration with a standard solution of caustic soda . Each molecule of HNO3 corresponds to one mole- cule of CNO . Having determined ...
Strona 31
... distilled water ( dipping for about ten seconds ) , also the potassium iodide and starch solutions are cooled before ... distilled water . Corn- starch is well washed by decantation with distilled water , dried at a low temperature , 3 ...
... distilled water ( dipping for about ten seconds ) , also the potassium iodide and starch solutions are cooled before ... distilled water . Corn- starch is well washed by decantation with distilled water , dried at a low temperature , 3 ...
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