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I3A IT4.205-1984 (R1995)
- Photography (Chemicals) - 5-Methylbenzotriazole (reaffirmation and redesignation of ANSI PH4.205-1984)
- standard by International Imaging Industry Association, 01/24/1984
- Publisher: I3A
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Establishes criteria for the purity of photographic-grade 5-methylbenzotriazole and describes the tests to be used to determine the purity.