The laboratory book of dairy analysis / By H. Droop Richmond.

  • Richmond, Henry Droop
Date:
1905
Catalogue details

Licence: In copyright

Credit: The laboratory book of dairy analysis / By H. Droop Richmond. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

    26/112 (page 14)
    the soluble ash add a drop or two of pheiiolphthalem solution, aud titrate with ~ sulphuric acid (see Appendix) till the colour is discharged. Each cubic Fig. II.—Tripod, Buuseu and Desiccator. centimetre of acid indicates 0-0044 gramme CO^ as carbonates. [Mte.—The alkalinity is not all due to carbonates, a little phosphate is present.] To the solution add a few drops of potassium chromate, and titrate with — silver nitrate solution