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Amino Acids · Aminoacetal · Benzalacetophenone · Benzoic Anhydride Benzylthiouronium Chloride · Bromoacetal · Bromosulfonphthalein. Na Chloranil · 3,5-Dichlorosalicylaldehyde · Diethyl & Dimethylamine HCI Dimedone · Dimethylchloroacetal · 1,3-Dimethylurea · Dulcitol Malonic Acid · Methyl Butyrate · Methylene Iodide «o-Nitrocinnamaldehyde Phenetole · Potassium & Sodium m-Periodates · Sodium Catechol Disulfonate Sodium Diethyldithiocarbamate · Succinic Acid · a-Tetralone · Tripalmitin Vanillic Acid · iso-Vanillin · Veratraldehyde · Veratrole · Xylitol Write for our Products List of over 3,000 chemicals Tel: 516-273-0900 · TOLL FREE: 800-645-5566 Telefax: 516-273-0858 · Telex: 497-4275
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CALL OR WRITE JANE GATENBY
ANALYTICAL CHEMISTRY 500 Post Road East P.O. Box 231 Westport, CT 06880 203-226-7131 FAX: 203-454-9939
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FREE DATA, FAST To quickly amass data on all of the prod ucts you need, consult the Lab Data Ser vice Section on our Analytical Chemistry reader reply card insert.
• · · · KJ^m Sm VJ \β iJCT
it's the most useful.
Published since 1955, the annual LobGuide leads all others in advertising pages and in reader usage (22,000 references daily). It's the true one-stop buying source where most manufacturers say with their ads, "Here we are. Compare our products with those of our competitors." That's why in more than six out of ten purchases by the 277,000 users if serves, the LobGuide is consulted before the purchase is made.
862 A · ANALYTICAL CHEMISTRY, VOL. 60, NO. 14, JULY
15, 1988
