THE L Α Β Ο R A T Ο R Y SUPPLY CENTER THE NEW SERIES OF

LaMotte WATER SOLUBLE PH INDICATORS

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Made exclusively by

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PREFERRED for laboratory filtrations

CELITE Analytical Filter Aid

Leading laborato- • _ ries have found that Celite Analytical Filter (] Aid is invaluable for filtering out gummy, gelatinous, flocculent or semi-colloidal precipitates—many of which are unalterable by other methods . Chemi­cally inert, it is made from the highest-quality diatomite which has been calcined at h igh temperatures and acid-washed to remove all o rganic and inorganic impuri t ies .

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FEATURING: 3600 settings Split-Second Accuracy Automatic Switching Built-in-Buzzer

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DIMCO-GRAY COMPANY 210 E. Sixth St. Dayton, Ohio

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CyCLOHEXYL CHLORIDE Red Label Pilot B.P. 141-143° C.

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CLARK MICROANALYTICAL LABORATORY Are you planning on a microanalytical laboratory during the next five years? Perhaps we can help you with your personnel and other problems. Let's telle it over now.

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YOUR MOST COMPLETE SOURCE FOR

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