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Page 49
pH 4.0 , 300 cc of acetone were added and the precipitate obtained , separated by centrifugation . The precipitate was dissolved in 100 cc of 0.02 M NaCN and then reprecipitated by the addition of another 300 cc of acetone .
pH 4.0 , 300 cc of acetone were added and the precipitate obtained , separated by centrifugation . The precipitate was dissolved in 100 cc of 0.02 M NaCN and then reprecipitated by the addition of another 300 cc of acetone .
Page 77
The same red color is obtained as that observed when the crystalline 2,4 - dinitrophenylhydrazine derivative of dehydroascorbic acid is dissolved in H2SO4 . If more time is allowed for the 2,4 - dinitrophenylhydrazine to couple with the ...
The same red color is obtained as that observed when the crystalline 2,4 - dinitrophenylhydrazine derivative of dehydroascorbic acid is dissolved in H2SO4 . If more time is allowed for the 2,4 - dinitrophenylhydrazine to couple with the ...
Page 442
The final preparation contained a heavy suspension of Rickettsiae . The antigen was titrated with a known guinea pig serum as well as with two known human sera . A 4 plus fixation was obtained with dilutions of the antigen up to 1 : 6.
The final preparation contained a heavy suspension of Rickettsiae . The antigen was titrated with a known guinea pig serum as well as with two known human sera . A 4 plus fixation was obtained with dilutions of the antigen up to 1 : 6.
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Bibliographic information
| Title | Science |
| Editor | John Michels (Journalist) |
| Contributor | American Association for the Advancement of Science |
| Published | 1942 |
| Original from | University of Minnesota |
| Digitized | 17 Dec 2019 |
| Export Citation | BiBTeX EndNote RefMan |