Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 7
... treat- ment . In Bulletin 53 of this bureau the methods of isolating four organic compounds from soils was described ... treated wholly from the point of view of method these would be described together . Since , how- ever , the number ...
... treat- ment . In Bulletin 53 of this bureau the methods of isolating four organic compounds from soils was described ... treated wholly from the point of view of method these would be described together . Since , how- ever , the number ...
Strona 8
... treated with p - nitrosodimethylaniline . This reaction yields two condensation products with two and three ... treated with bromine gives a yellow bromo- derivative , C25H1902N2Br , but with an excess of the halogen an unstable ...
... treated with p - nitrosodimethylaniline . This reaction yields two condensation products with two and three ... treated with bromine gives a yellow bromo- derivative , C25H1902N2Br , but with an excess of the halogen an unstable ...
Strona 10
... treat- ment with semicarbazide acetate formed two distinct semi- carbazones , a colourless and a yellow modification ... treated with malonic acid or its ester in the presence of warm con- centrated sulphuric acid a vigorous reaction ...
... treat- ment with semicarbazide acetate formed two distinct semi- carbazones , a colourless and a yellow modification ... treated with malonic acid or its ester in the presence of warm con- centrated sulphuric acid a vigorous reaction ...
Strona 17
... treated while still moist with boiling 95 per cent alcohol , a portion of the precipitate goes into solution . The amount of the humus precipitate so dissolved varies with the cha- racter of the soil treated , but the alcoholic solution ...
... treated while still moist with boiling 95 per cent alcohol , a portion of the precipitate goes into solution . The amount of the humus precipitate so dissolved varies with the cha- racter of the soil treated , but the alcoholic solution ...
Strona 23
... treated . apparent advantage over the rays of radium - Mr . Russ came to the following conclusion : -In equivalent times the same biological effect per square cm . of tissue on the surface ought to be obtained by an exposure to B - rays ...
... treated . apparent advantage over the rays of radium - Mr . Russ came to the following conclusion : -In equivalent times the same biological effect per square cm . of tissue on the surface ought to be obtained by an exposure to B - rays ...
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