Chemical News and Journal of Physical Science, Tom 104Chemical news office., 1911 |
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Strona 2
... boiling and a high boiling fraction . The former may again be neutralised with ammonium carbonate , and the resulting salt used for a new preparation . The high - boiling fraction , on thorough solidification , is twice pressed out with ...
... boiling and a high boiling fraction . The former may again be neutralised with ammonium carbonate , and the resulting salt used for a new preparation . The high - boiling fraction , on thorough solidification , is twice pressed out with ...
Strona 9
... Boiling - points of Metals . " ( Will be inserted in full ) . Mr. A. BLACKIE , B.A. , communicated a paper " On the Behaviour of Silica at High Temperatures . " ( Will be inserted in full ) . Prof. MAX BODENSTEIN , of Hanover , sent in ...
... Boiling - points of Metals . " ( Will be inserted in full ) . Mr. A. BLACKIE , B.A. , communicated a paper " On the Behaviour of Silica at High Temperatures . " ( Will be inserted in full ) . Prof. MAX BODENSTEIN , of Hanover , sent in ...
Strona 11
... boiling alcohol or benzene , when it separates in the form of orange - red flakes which melt at 214 ° . It is soluble in organic solvents , insoluble in water , When unaltered by alkalis and ammonia in the cold . boiled with alkalis or ...
... boiling alcohol or benzene , when it separates in the form of orange - red flakes which melt at 214 ° . It is soluble in organic solvents , insoluble in water , When unaltered by alkalis and ammonia in the cold . boiled with alkalis or ...
Strona 19
... boiling - point , and then freezing to remove the water . The purified acid melts at 16 60 ° , and has a density of 1.05148 at 18 ° / 4 ° and 1 · 04922 at 20 ° / 4 ° ; its maximum conductivity when mixed with water is K18 = 0.0016415 ...
... boiling - point , and then freezing to remove the water . The purified acid melts at 16 60 ° , and has a density of 1.05148 at 18 ° / 4 ° and 1 · 04922 at 20 ° / 4 ° ; its maximum conductivity when mixed with water is K18 = 0.0016415 ...
Strona 20
... boiling mixture . The permanganate method of purification had the advantage that there was no real risk of producing any acetic anhydride ; the acid was distilled while still moist , and was subsequently dried by freezing . The ...
... boiling mixture . The permanganate method of purification had the advantage that there was no real risk of producing any acetic anhydride ; the acid was distilled while still moist , and was subsequently dried by freezing . The ...
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