Application of Radiotracer Techniques to the Study of Penetration of Ink Components Through Various Substrates.

Details

Document ID: 
620029
Author(s): 
S. Carangelo
Year: 
1962
Pages: 
15

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Abstract

Current Food and Drug Administration regulations include printing ink components as potential food additives when used on food packaging materials. As a result, the radiotracer experiments described here were devised to measure quantitatively minute amounts of penetration through polyethylene and paper-board as well as migration from paper and textile container materials. The tracer used was carbon-14 labeled oleic acid that represented a mobile and relatively low molecular weight printing ink ingredient. Also described in this presentation is a radiotracer method for the determination of penetration rates by a carbon-14 tagged vehicle into the surface of several different printing stocks.

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