W H I C H BOTTLE IS THE BETTER BUY?
NEW BOOKS of publications as well as comprehensive subject and author indexes. Manual on Hydrocarbon Analysis, STP 332. 670 + xiv pages. Amer ican Society for Testing and Mate rials, 1916 Race St., Philadelphia Pa. 19103. $14, to AST M members, Ninety methods, recommended prac tices, and definitions relating to hydro carbon analysis are included in this book. Analysis of three basic types of hy drocarbons is covered: gas analysis, analysis of C 5 and lighter hydrocar bons; analysis of gasoline and other distillate fuels; and analysis of viscous oils. The book contains information on the recent methods of separating hy drocarbons and hydrocarbon types and includes instrumental methods for de termining physical, optical, and spec tral properties. Gas Chromatography Abstracts 1962. C. E. H. Knapman, D. Ambrose, editors, χ + 195 pages. BuLterworth Inc., 7235 Wisconsin Ave., Washington l/h D. C. 1963. $8.50. This volume is sponsored by the Gas Chromatography Discussion Group of the Hydrocarbon Research Group of the Institute of Petroleum, England. It contains 763 abstracts and subject and author indexes. Melting Point Tables of Organic Com pounds. 2nd, revised, and supple mental edition. Walther Utermark, Walter Schicke. xxxii + 715 pages. Interscience Publishers, Inc.. 605 Third Ave., New York 16, Ν. Υ. 1963. $22.50.
Each of them is a good buy. Selection is determined only by your requirements. They are all NALGENE® LABORATORY BOTTLES re searched, designed, developed and manufactured to meet critical laboratory requirements. Because this is the only line that combines your choice of material with unbreakability, resistance to acids and caustics, sure seal, light weight, and even (with bottles of Teflon* FEP and virgin polypropylene) repeated autoclaveability. Sizes from one ounce to thirteen gallons, narrow or wide mouth, natural or amber. Order now from your lab supply dealer. Or write for our Catalog L-962. The Nalge Co., Inc., Department 1135, Rochester 2, New York. *Du Pont registered trademark
ώ
NALGENE LABWARE
Although the basic language of this book is German, the book contains its own vocabulary so that the material is available in English, French, and Rus sian. The melting points are presented in order of increasing temperature. After listing the compound's melting point, and name, the following infor mation is included: general formula, structural formula, molecular weight, state and color, specific gravity, boiling point, some physical constants, and solubility and reaction information. Melting points for 3213 compounds are listed. Indexes refer to trivial names, formulas, and special terms.
Leader in quality plastic labware since 1949
You're invited to visit our Booth Nos. 4212, 4214, 4218 at the 29th Exposition of Chemical Industries, Coliseum, New York City, Dec. 2-6.
Circle No. 66 on Readers' Service Card
64 A
.
ANALYTICAL CHEMISTRY
Ultracentrifugal Analysis in Theory and Experiment. J. W. Williams, editor, xvii + 282 pages. Academic Circle No. 14 on Readers' Service Card •
