6A
ANALYTICAL
CHEMISTRY
They test more than 20,000 Samples a Year
Iη the Analytical Laboratories where Merck Chemicals undergo the most rigid quality control
In a modern laboratory that is a "chemist's d r e a m , " samples of every batch of M e r c k Chemicals are tested. New, original fea tures for accuracy and conveni ence make the M e r c k Analytical Laboratories one of the most m o d e r n of all q u a l i t y - c o n t r o l systems. Purity and identity of M e r c k
Laboratory Chemicals are es tablished, in many cases, by the same highly refined analytical procedures used in the most ad vanced organic research. Because of these highly per fected control methods, which assure uniform quality, more and m o r e c h e m i s t s a r e specifying M e r c k Laboratory Chemicals.
MERCK LABORATORY CHEMICALS MERCK & CO., Inc.
Manuacturing
Chemials
RAHWAY, N. J.
New York, N. Y. · Philadelphia, Pa. · St. Louis, Mo. · Chicago, III. · Elkton, Va. Los Angeles, Calif. · In Canada: MERCK & CO., Ltd. Montreal · Toronto · Valleyfield