INDEX TO ADVERTISERS IN THIS ISSUE Preprints Princeton Applied Research Corp Mort Barish Associates, Inc. Professional Tape Co., Inc
134 5 161
Robert Peterson. Advertising AgencyRegis Chemical Company
76
RHO Scientific, Inc 144 Rosemount Engineering Co 153 Colle & McVoy Advertising Agency Ε. Η. Sargent & Co 43:107:139 Sidney Clayton & Associates, Inc. Carl Schleicher & Schuell Co 30 Wildrick & Miller, Inc. Scientific Glass Apparatus Co., Inc 102 Scientific Products, Div. of American Hospital Supply Corp 126 Alex T. Franz, Inc. Scott Research Laboratories» Inc 152 George H. McGlaughlin Siemens America, Inc 39 Wesley Advertising, Inc. Sigmamotor, Inc 161 Gelia and Wells, Inc. Supelco, Inc 46 Barash Advertising Techne (Princeton), Ltd 146 Technilab Instruments 134 Edward Schaar Associates Technical Measurement Corp 98 Hepler & Gibney Adv. Technicon Controls, Inc 21:144 Mediad, Inc. Texas Nuclear Corp·» Subsidiary of Nu clear Chicago Corp 23:55:94:128 Sidney Clayton Associates, Inc.
Thermoflex, Inc Naimark and Barba, Inc. Thermolyne Corp E. R. Hollingsworth & Associates Arthur H. Thomas Co The Torsion Balance Co Michel-Cather, Inc. Tracerlab, A Div. of Laboratory Electronics, Inc Hepler & Gibney, Inc. Tracerlab, A Div. of Laboratory Electronics, Inc Bonfield Associates, Inc. Henry Troemner, Inc Allyn H. Jacobson Union Carbide Corp J. M. Mathes, Inc.
78
Wilks Scientific Corp A.B.W. Toft & Co.
48:77
52 136:137 122 for 18 for 58 .81:146
Carl Zeiss, Inc Basf'ord, Inc.
125
Laboratory Supply Center Burdick & Jackson Laboratories Eastern Chemical Corp. Gollob Analytical Service, Inc. LaMotte Chemical Products Co. Lunex Company Petroleum Analytical Research Corp. Southwestern Analytical Chemicals University of Minnesota
158
133 REINHOLD PUBLISHING CORPORATION A Subsidiary of Chapman-Reinhold, Inc.
Varian Aerograph Bob Barriskill Varian Associates Cary Instruments Div The Bowes Company Analytical Instrument Div Recorder Div Hoefer, Dieterich & Brown, Inc. The Victoreen Instrument Co Palm & Patterson, Inc. Wang Laboratories, Inc Larcom Randall Advertising, Inc. The Warner & Swasey Co Τ aube /Violante, Inc. Waters Associates, Inc Studio D., Inc. Wilkens-Anderson Co Mandabach & Simms, Inc.
35 68 112 121 7 148
Advertising Management for the American Chemical Society Publications 430 Park Ave., New York, Ν. Υ. 10022 Cable Address:
REINPUB NYK
Thomas N. J. Koerwer Advertising Sales Director, ACS Publications Arthur P. Watts Advertising Sales Manager, AC J. Barry Stanford Assistant Advertising Sales Manager, AC
56 OBC 50
SALES REPRESENTATIVES New York 10022 . . . Arthur P. Watts, J. Barry Stanford, Sam W. Percy, William N. Wham, William L. Chapman, Reinhold Publishing Corp., 430 Park Ave., 212-688-8600 Philadelphia 19107 . . . James A. Byme, Reinhold Publishing Corp., 12 So. 12th St., 215-922-9346 Chicago 60603 . . . Eugene P. Eldridge, Reinhold Publishing Corp., 10 So. La Salle St., 312-726-1282 Cleveland 44114 . . . Joseph C. Hoopes, Reinhold Publishing Corp., East Ohio Bldg., 1717 East 9th St., 216-771-4011 San Francisco 94109 . . . Denis A. Cardone, Reinhold Publishing Corp., 1255 Post St., 415-771-7044 Los Angeles 90045 . . . Clay S. Holden, Reinhold Publishing Corp., 8939 So. Sepulveda Blvd., 213-776-0552
SODIUM BIPHENYL REAGENT For Rapid, Quantitative Determination of Bromine, Chlorine, Iodine and Fluorine in Organic Compounds. Sodium Biphenyl Reagent converts organic halogens to their sodium salts, which then may be measured by usual laboratory methods for halides. Conversion is quantitative on most organic compounds in 30 minutes. No special glassware or equipment required. Supplied as 0.6 normal solution in ethylene glycol dimethyl ether, Sodium Biphenyl is stable up to one year under refrigeration. Avoid the difficult preparation of this reagent by purchasing one of the convenient sizes
Denver 90203 . . . Robert H. Heidersbach, Roy McDonald Associates, Inc., 846 Lincoln St., 303-825-3325 Houston 77006 . . . Frank N. Vickrey, Roy McDonald Associates, Inc., 3130 South west Freeway, 713-529-6711 Tulsa 74114 . . . Max C. Nelson, Roy Mc Donald Associates, Inc., 570 South Harvard, 918-742-9961 Great Britain and Western Europe . . . Brayton Nichols, The American Magazine Group, 44 Conduit Street, London, W. 1, England Japan . . . Bancho Koheki Co., Ltd., 8, Shinano-machi, Shinijuku-ku Tokyo, Ja pan
Write for our Sodium Biphenyl product bulletin. PRODUCTION DEPARTMENT
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16 oz.—$15.00
Package of 12-15 ml. units
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ANALYTICAL CHEMISTRY
Alfred E. Gall Advertising Production Director, ACS Publications Anne Forrest Advertising Production Manager, Analytical Chemistry
