Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 5
... material in average soils is considerable . Analyses have shown that the average organic content of the soils of the United States is 2:06 per cent and of subsoils 0.83 per cent ( Cameron , Journ . Am . Chem . Soc . , 1905 , xxvii ...
... material in average soils is considerable . Analyses have shown that the average organic content of the soils of the United States is 2:06 per cent and of subsoils 0.83 per cent ( Cameron , Journ . Am . Chem . Soc . , 1905 , xxvii ...
Strona 6
... material is of a very com- plex nature , regarding which very little is known . Little fault can be found with this statement in itself , but it is often made in such a way as to convey the impression that not only do we know little ...
... material is of a very com- plex nature , regarding which very little is known . Little fault can be found with this statement in itself , but it is often made in such a way as to convey the impression that not only do we know little ...
Strona 7
... material with acids . None , however , have added any definite information regarding the identity of any compounds in the organic portion of the soil . paper by Miklauz is a valuable contribution to our know . of the variable character ...
... material with acids . None , however , have added any definite information regarding the identity of any compounds in the organic portion of the soil . paper by Miklauz is a valuable contribution to our know . of the variable character ...
Strona 16
... material . In spite of the fact that these hydrocarbons are of rather rare occurrence in plants and are seldom added to soil in plant débris , the wide distribution of extensive deposits of such compounds and the occurrence also of ...
... material . In spite of the fact that these hydrocarbons are of rather rare occurrence in plants and are seldom added to soil in plant débris , the wide distribution of extensive deposits of such compounds and the occurrence also of ...
Strona 32
... material so washed was completely soluble in hot alcohol , from which it separated on cooling in a bulky microcrystalline form . On repeating this solu- tion and separation several times the material was obtained nearly free of colour ...
... material so washed was completely soluble in hot alcohol , from which it separated on cooling in a bulky microcrystalline form . On repeating this solu- tion and separation several times the material was obtained nearly free of colour ...
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