Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 6
... acid was removed to the extent of 80 per cent ; this points to benzoic acid molecules being associated in benzene . It was noticed throughout the preceding work that the more complex in structure a substance may be the more readily is ...
... acid was removed to the extent of 80 per cent ; this points to benzoic acid molecules being associated in benzene . It was noticed throughout the preceding work that the more complex in structure a substance may be the more readily is ...
Strona 8
... acid with pure potassium carbonate . The potas- sium bromide thus obtained was recrystallised three times , and its solution was evaporated with a small quantity of potassium dichromate and twice distilled sulphuric acid . The bromine ...
... acid with pure potassium carbonate . The potas- sium bromide thus obtained was recrystallised three times , and its solution was evaporated with a small quantity of potassium dichromate and twice distilled sulphuric acid . The bromine ...
Strona 10
SYNTHETIC NITRIC ACID.-M. Paul Pascal . - The author gives a résumé of the methods employed now and in the past of making nitric acid from its elements . He c . The time elapsing between this operation and the divides his treatise into ...
SYNTHETIC NITRIC ACID.-M. Paul Pascal . - The author gives a résumé of the methods employed now and in the past of making nitric acid from its elements . He c . The time elapsing between this operation and the divides his treatise into ...
Strona 14
... acid , thus prov- ing that it was not an ordinary solution . Graham called the silicic acid when in this con- dition a Colloid , whereas he termed the salts and other similar bodies that passed through parch- ment Crystalloids , and the ...
... acid , thus prov- ing that it was not an ordinary solution . Graham called the silicic acid when in this con- dition a Colloid , whereas he termed the salts and other similar bodies that passed through parch- ment Crystalloids , and the ...
Strona 15
... acid is charged positively when in water , and negatively when in turpentine . Generally , the continual suspension of a colloid in the disperse medium is possible only when the colloidal particle retains an electrical charge . The ...
... acid is charged positively when in water , and negatively when in turpentine . Generally , the continual suspension of a colloid in the disperse medium is possible only when the colloidal particle retains an electrical charge . The ...
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