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P L A S T I C plied to the large bars. Development time and resolution are virtually identical with those obtained on regular TLC plates. Analtech, Inc., 100 South Justison St., Wilmington, Del. 19801. 419
PRIMARY STANDARD ELECTRONIC USP-NF PURIFIED and TECHNICAL GRADES A major source for laboratory and production quantities of reagent chemicals for Science and industry. Special solutions and formulations made to specification.
NITINE INCORPORATED 45 S. Jefferson Rd., Whippany, N.J. 07981 Area Code 201 887-6000 Edison, N.J. — Anaheim, Calif. Scottsdale, Ariz. — Shannon, Ireland Circle No. 67 on Readers' Service Card 142
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ANALYTICAL CHEMISTRY
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A complete line of slide accessories in plastics is available . . . from microscope slides to storage boxes, all for your convenience.
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