Sherwood manufactures a broad une of instruments and. consumable products for the laboratory. We maintain a high standard of service through awareness of the customer's needs. For complete details, write: Sherwood Medical Industries inc., 1831 Olive St., St. Louis, MO.Ç3103.
Instruments for coagulation
Micro-volume Precision Ptpettors
Laboratory Bubble Tubing — universal sizes
Diversified line of disposable plastic products
CIRCLE 30 ON READER SERVICE CARD
NOW available with first
and SECOND
supplements at no increase in price. Fourth Edition offers specifications for 26 new reagents, such as acetonitrile, brucine sulfate, cyclohexane, thioacetamide, water reagent (deionized), and many more. Second supplement contains 8 new reagents, a new test for arsenic, which changes procedures for 33 reagents,
LABORATORY
GUIDE
revised tests for 7 reagents, and new limits for 9 reagents. 651 pages + Supplements $14.00 postpaid in U.S. and Canada; 40 cents postage elsewhere.
order from:
Special Issues Sales American Chemical Society 1155 Sixteenth St., N.W. Washinaton. D.C. 20036
AUGUST 1972 277 LG