Blood chemistry, colorimetric methods for the general practitioner : with clinical comments and dietary suggestions / by Willard J. Stone.

  • Stone, Willard J. (Willard John), 1877-1943.
Date:
1926
Catalogue details

Licence: In copyright

Credit: Blood chemistry, colorimetric methods for the general practitioner : with clinical comments and dietary suggestions / by Willard J. Stone. Source: Wellcome Collection.

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    give higher readings in many specimens of blood, primarily because of the absorption of creatinin by the picric acid. While not criticizing the usefulness of this test, it is believed that more uniform results are obtained by following a procedure such as that offered by the method of Folin and Wu. For verification Fig. 3. Kober colorimeter. of blood sugar in any given case the Lewis and Benedict picric- acid method is recommended. 6. Chemically pure sodium tungstate and picric acid are essential. (See notes in the text.) Some preparations of sodium tungstate are not satisfactory because of an excess of carbonate. Sodium tungstate, Primrose Brand, or Merck’s c.p. sodium