Chemical News and Journal of Industrial Science, Tom 12Chemical news office., 1865 |
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Strona 18
... alcohol , to which a few drops of sugar of lead has been added ; and , if the bisulphide be present , it will give an orange - red precipitate . Or the gas may be passed into an alcoholic solution of potash , which freely absorbs the ...
... alcohol , to which a few drops of sugar of lead has been added ; and , if the bisulphide be present , it will give an orange - red precipitate . Or the gas may be passed into an alcoholic solution of potash , which freely absorbs the ...
Strona 21
... alcohol a magnificent blue solution . Caustic alkalies precipitate red flocculi of a base which gives crystalline salts with acids . The base is the hexatomic body trioenanthylidene - dirosaniline . 220H166 , H74N ̧ • { 30 , H14 " N6 ...
... alcohol a magnificent blue solution . Caustic alkalies precipitate red flocculi of a base which gives crystalline salts with acids . The base is the hexatomic body trioenanthylidene - dirosaniline . 220H166 , H74N ̧ • { 30 , H14 " N6 ...
Strona 25
... alcohol , the solution evaporated to dryness on a water - bath , and the extract weighed ; this was , however , in no case so considerable as to reduce materially the high results ob- tained . The dried alcoholic residue , after having ...
... alcohol , the solution evaporated to dryness on a water - bath , and the extract weighed ; this was , however , in no case so considerable as to reduce materially the high results ob- tained . The dried alcoholic residue , after having ...
Strona 26
... alcohol and one part of spirit of wine . The colouring matter thus separated , after being properly dried in a water - bath , should be weighed and the amount deducted , the ash obtained by calcination of the residue insoluble in the ...
... alcohol and one part of spirit of wine . The colouring matter thus separated , after being properly dried in a water - bath , should be weighed and the amount deducted , the ash obtained by calcination of the residue insoluble in the ...
Strona 31
... alcohol , and ammonia , each of which again is capable of being produced from its con- stituent elements , so that we may actually form this most interesting organic product taurine out of sulphur , charcoal , oxygen , hydrogen , and ...
... alcohol , and ammonia , each of which again is capable of being produced from its con- stituent elements , so that we may actually form this most interesting organic product taurine out of sulphur , charcoal , oxygen , hydrogen , and ...
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