Chemical News and Journal of Industrial Science, Tomy 127-128Chemical news office., 1923 |
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Strona 16
... carried out on a MANUFACTURING SCALE Inquiries solicited from INVENTORS and PATENTEES ( especially foreign ) under the New Act . MARTINDALE'S Apparatus and Reagents . For Chemical and Bacteriological Research , SPECIALITIES ...
... carried out on a MANUFACTURING SCALE Inquiries solicited from INVENTORS and PATENTEES ( especially foreign ) under the New Act . MARTINDALE'S Apparatus and Reagents . For Chemical and Bacteriological Research , SPECIALITIES ...
Strona 17
... carried out in a good draught . Very little is known as to the chemical constitution and composition , even of the ... carrying out the reaction at a lower temperature he obtained dehydro- thiodiphenylamine . 6 CH ( OH ) NHS C , H , ( OH ) ...
... carried out in a good draught . Very little is known as to the chemical constitution and composition , even of the ... carrying out the reaction at a lower temperature he obtained dehydro- thiodiphenylamine . 6 CH ( OH ) NHS C , H , ( OH ) ...
Strona 29
... carried on in vacuum stills . Liquid petrolatum may be prepared from the lubricating oil of frac- tion of certain oils and is composed essenti- ally ' of the naphthene hydrocarbons . A large number of physical and chemical tests are ...
... carried on in vacuum stills . Liquid petrolatum may be prepared from the lubricating oil of frac- tion of certain oils and is composed essenti- ally ' of the naphthene hydrocarbons . A large number of physical and chemical tests are ...
Strona 30
... carried on for some time in the chemical laboratories of Cornell College , and in many other places . Our special purpose is to determine the amounts of nitrogen compounds , chlorine and sulphates in the rains and snows of this locality ...
... carried on for some time in the chemical laboratories of Cornell College , and in many other places . Our special purpose is to determine the amounts of nitrogen compounds , chlorine and sulphates in the rains and snows of this locality ...
Strona 33
... carried out with the aid of this material , gave a value for the atomic weight of hafnium lying between 178.4 and 180.2 . ( Concerning further de- tails of this determination , see the July , 1923 , issue of the Ber . d . deutsch . Chem ...
... carried out with the aid of this material , gave a value for the atomic weight of hafnium lying between 178.4 and 180.2 . ( Concerning further de- tails of this determination , see the July , 1923 , issue of the Ber . d . deutsch . Chem ...
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