Book Review | Published:

[Short Notices]

Nature volume 140, page 634 (09 October 1937) | Download Citation



THE gratifying reception accorded to this excellent text-book on its first appearance has led the authors and publishers to issue a new edition, which has been largely revised in order to bring the subject-matter into conformity with the many changes made in the official methods of analysing pharmaceutical materials in the latest issues of the United States Pharmacopoeia and the National Formulary. The theoretical matter has also been brought up to date, while the number of assay exercises has been increased. In addition, the contents have been rearranged, being now divided into three parts instead of four as in the original edition. This compression has been achieved by deleting the section on ultimate analysis and by incorporating the chapters on pH. determinations, electro-analysis, etc., which originally represented non-official procedures, with the other physico-chemical determinations such as refractive index, specific rotation, etc. These are now all contained in Part 2, while, as before, Part 1 deals with gravimetric, volumetric and gasometric methods. The third section is devoted to special procedures such as the assay of alkaloids and volatile oils and the determination of the constants of fats, waxes, resins and balsams.

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