38 A
ANALYTICAL
Klett....
CHEMISTRY
THE ANALYST
Photometers
THE JOURNAL OF THE SOCIETY OF PUBLIC ANALYSTS AND OTHER ANALYTICAL CHEMISTS
Klett-Summerson
OF GREAT BRITAIN A MONTHLY PUBLICATION DEALING
Photoelectric Glass Cell Colorimeter No. 900-3
The Klett flourimeter
WITH ALL BRANCHES OF ANALYTICAL CHEMISTRY First Published 1876 THE ANALYST publishes original communications from members and non-members of the Society and the papers on specialised subjects sponsored by the Biological, Physical and Microchemical Groups of the Society. It contains also the Proceedings of the Society and the Discussions that follow the presenta tion of papers at its scientific meetings, the Reports of The Analytical Methods Committee, Notes on Analytical Methods and Apparatus and Book Reviews. Recent issues have contained the following impor tant papers— "The Precision of the 3-Point Correction Method of Spectrophotometric Assay of Vitamin A," by D. C. M. Adamson, W . F. Elvidge, N . T. Gridgeman, E. H. Hopkins, R. E. Stuckey and R. J. Taylor. "The Determination of Germanium," Parts 1 to 3, by H. J. Cluley. "The Determination of the Availability of Nitro gen in Nitrogenous Fertilisers, Part II," by J. Hubert Hamence. "The Evaluation of Drugs in Man, with Special Reference to Antihisraminics," by W . A. Bain. (Biological Methods Group paper with dis cussion.)
Designed for the rapid and accurate determina tion of thiamin, riboflavin, and other substances which fluoresce in solution. The sensitivity and stability are such that it has been found particularly useful in determining very small amounts of these substances.
"A Critical Investigation of the Use of the Silver Reductor in the Micro-Volumetric Determina tion of Iron, especially in Silicate Rocks," by Christina C. Miller and Robert A. Chalmers. "Controlled Potential Electrolysis in the Analysis of Copper-Base Alloys," by G. W . C. Milner and R. N. Whittem. "Radioactive Tracer—Paper Chromatography Techniques," by F. P. W . Winteringham, A. Harrison and R. G. Bridges.
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"The Determination of 2:4-Dichlorophenoxyacetic Acid," by S. W . Stroud. THE ANALYST is published for the Society by W . Heffer & Sons Limited, 3 and 4 Petty Cury, Cambridge, England. Subscription price $11.20 per annum. Single copies 93 cents. British Chemical Abstracts C, Analysis and Apparatus, is supplied free, monthly, to all subscribers.
