NEW BOOKS SAC Joint Committee on Methods for the Analysis of Trade Effluents; and the report of the PS/SAC Joint Com mittee on Methods of Assay of Crude Drugs. Also in the report is a list of works published during the year, in cluding 17 determinations. Appendices include a detailed financial account of the committee for the year and a list of subscribers to the trust fund. The report closes with a list of reports issued bv the \-arious subcommittees since 1927. Gas
Chromatography.
Jarrell
Ash
A. I . M .
Keulemans, edited by C. G. Verver. vii + 217 pages. Reinhold Publish ing Corp., 430 Park Ave., New York 22, Ν. Υ. 1957. $7.50. The author of this book has access to data obtained not only in Koninklijke/ Shell-Laboratorium, Amsterdam, where he is employed, but also in other Shell companies in the United States and Great Britain. These results, together with the views of specialists on matters of theory and equipment, play an im portant part in presentation of the subject of this book. The author points out that use was made in the text of the principal publi cations on gas chromatography up to Jan. 1, 1956. Literature appearing since then has been referred to only in exceptional cases. In arranging the subject matter, the attempt was made to reconcile practical usefulness with theoretical soundness. In most normal analyses by gas chromatography, the author feels that excellent results can be obtained with little or no knowledge of the underlying theory. But once the investigator leaves the field of routine separations and attacks more difficult applications, he will find that some fa miliarity with the fundamentals is essen tial. For these reasons, the normal practice of gas-liquid chromatography is covered before theoretical matters are discussed. The opening chapter is devoted to a review of the whole field of chroma tography and of related physical proc esses. The second chapter deals with normal practical applications of gasliquid chromatography, and chapter three follows with detailed discussion of equipment required. Chapters four, five, six, and seven cover the theories underlying gas-liquid chromatography, showing how such principles can be ap plied when dealing with difficult situa tions and nonanalytical applications. Finally, chapter eight is a discussion of gas-solid chromatography. The book is illustrated with numer ous charts and diagrams, and has a list of symbols, three appendices, and an author index.
Convertible
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JARRELL-ASH COMPANY 32
1
A s h I
Farwell S t r e e t , N e w t o n v i l l e 6 0 , M a s s a c h u s e t t s
San Mateo, Calif. · Dallas, Texas · Costa Mesa, Calif. · Atlanta, Ga. ·
Tinley Park, III. · Pittsburgh. Penna. Detroit, Mich. · New Brunswick, N. J.
CANADA: Technical Service Labs., Toronto, Ontario
JARRELL-ASH CO., 32 Farwell Street, Newtonville 60, Massachusetts MERELY SIGN AND
We're interested in learning firsthand, without obligation, how the Jarrell-Ash Convertible Ebert Spectrograph can benefit our specific analytical operation. Please have your applications engineer contact the undersigned.
CLIP TO YOUR
NAME.
LETTERHEAD
TITLE.. For further information, circle number 37 A on Readers' Service Card, page 69 A
VOL. 30, NO. 7, JULY 1958 ·
37A
