Chemical News and Journal of Industrial Science, Tomy 101-102Chemical news office., 1910 |
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Strona 2
... preparing the acids in the pure state , and the results obtained leave a great deal to be desired in many respects ... prepared in the course of earlier experiments in this laboratory . The impurities present in this niobic acid were ...
... preparing the acids in the pure state , and the results obtained leave a great deal to be desired in many respects ... prepared in the course of earlier experiments in this laboratory . The impurities present in this niobic acid were ...
Strona 4
... prepared in this way . The acids thus purified are free from iron ; they were fused with potassium sulphate , and the solution tested with potassium sulphocyanide , when the absence of iron was proved by the non - appearance of a red ...
... prepared in this way . The acids thus purified are free from iron ; they were fused with potassium sulphate , and the solution tested with potassium sulphocyanide , when the absence of iron was proved by the non - appearance of a red ...
Strona 10
... prepared synthetically by Jowett and Potter ( Trans . , 1903 , lxxvii . , 1330 ) . The dimethyl ether of chrysyphanic acid was prepared , and obtained in yellow prisms , melting at 190 ° . * 288 . " The Influence of Non - electrolytes ...
... prepared synthetically by Jowett and Potter ( Trans . , 1903 , lxxvii . , 1330 ) . The dimethyl ether of chrysyphanic acid was prepared , and obtained in yellow prisms , melting at 190 ° . * 288 . " The Influence of Non - electrolytes ...
Strona 11
... prepared by each of these ways , or from the anilide and bromine chloride , a rapid bromination of the anilide occurs , the speed of the reactions being the same In dilute acetic acids analogous reactions in each case . take place , but ...
... prepared by each of these ways , or from the anilide and bromine chloride , a rapid bromination of the anilide occurs , the speed of the reactions being the same In dilute acetic acids analogous reactions in each case . take place , but ...
Strona 12
... prepared to arrange examinations in Chemical Technology to be held in April , 1910. The examinations will be open only to Fellows , and to those Associates who have been registered as such for at least one year , who produce evidence of ...
... prepared to arrange examinations in Chemical Technology to be held in April , 1910. The examinations will be open only to Fellows , and to those Associates who have been registered as such for at least one year , who produce evidence of ...
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acetic acid action alcohol alkaline aluminium ammonia ammonium amount analysis apparatus atomic weight B.Sc barium boiling bromide calcium calculated carbon dioxide cent Chem chemical Chemistry chemists chloride colour comet compounds concentrated condensation containing copper crystalline D.Sc decomposed derivatives determination dilute dissolved distilled ether ethyl evaporated excess experiments filter filtrate flask formed formula gives gold grms heated hydrochloric acid hydrogen hydroxide invertase iodide iodine iron J. J. Thomson ketone liquid melting metal method mgrms mineral mixture molecular molecules muriatic niobic nitrate nitric acid obtained oxide oxidised oxygen paper perchloric acid permanganate phosphorus platinum potassium precipitate prepared present Prof pure quantity reaction reduced residue salt sample scandium silver phosphate Society sodium sodium carbonate soluble substance sugar sulphate sulphide sulphuric acid tantalic acid tantalum telluride tellurium temperature theory tion titanic acid titanium tube vanadium vapour washed ytterbium zinc