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BUFFER SOLUTIONS, CHEMICAL TESTING SOLUTIONS, AND VARIOUS OTHER LABORATORY AND RESEARCH CHEMICALS

LABORATORY EQUIPMENT AND SPECIALIZED SCIENTIFIC INSTRUMENTS-NAMELY, BALANCES, OVENS, MICROSCOPES, CENTRIFUGES, STIRRERS, HOT PLATES, PUMPS, INCUBATORS, FURNACES, WATER STILLS, REFRACTOMETERS, SPECTROPHOTOMETERS, COLORIMETERS, PETROLEUM TESTING EQUIPMENT, SIEVES, WEIGHTS, SHAKERS, WATER BATHS, TEMPERATURE CONTROL INSTRUMENTS, CHROMATOGRAPH INSTRUMENTS, GAS ANALYZERS, LABORATORY AND CHEMICAL GLASSWARE, LABORATORY APPARATUS MANUFACTURED OF WOOD, IRON OR RUBBER, AND PH METERS