ScienceJohn Michels (Journalist) 1959 |
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Page 217
... determined by density - gradient centrifugation . A sedi- mentation constant of 37 Svedberg units ( Sf ) was obtained . On the assumption that the relation between the molecular weight and the sedimentation constant found by Gierer is ...
... determined by density - gradient centrifugation . A sedi- mentation constant of 37 Svedberg units ( Sf ) was obtained . On the assumption that the relation between the molecular weight and the sedimentation constant found by Gierer is ...
Page 275
... determined after ashing at 500 ° C by o - phenanthroline ( 7 ) and reported as total iron . ( ii ) Iron as FeEDDHA was determined spectrophotometrically at 480 mu . ( iii ) The chelating capacity of nu- trient and exudate was determined ...
... determined after ashing at 500 ° C by o - phenanthroline ( 7 ) and reported as total iron . ( ii ) Iron as FeEDDHA was determined spectrophotometrically at 480 mu . ( iii ) The chelating capacity of nu- trient and exudate was determined ...
Page 773
... determined , and it seems nec- essary to plot at least 25 points to deter- mine accurately a fair range of the curve . The correction factor for samples of low weight is very difficult to determine be- cause of the increase in the ...
... determined , and it seems nec- essary to plot at least 25 points to deter- mine accurately a fair range of the curve . The correction factor for samples of low weight is very difficult to determine be- cause of the increase in the ...
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