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Testing Safety of Coal-Tar Color<br /> <br /> An unidentified FDA scientist from the 1960s works to assure safe coal-tar colors used in foods, drugs, and cosmetics by using an ultraviolet lamp to detect impurities, which visibly fluoresce under ultraviolet light.
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FDA
Testing Safety of Coal-Tar Color

An unidentified FDA scientist from the 1960s works to assure safe coal-tar colors used in foods, drugs, and cosmetics by using an ultraviolet lamp to detect impurities, which visibly fluoresce under ultraviolet light.

Filename: 8249291875_45f0dfe9c5_o.jpg
Source: Food and Drug Administration
Date: 11 Nov 1918
Location: United States of Anerica
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Model Release: No
Property Release: No
Restrictions: EDITORIAL USE ONLY
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View This Image's Galleries: 1960 - 1969 USA - NEWS and LIFE in USA
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