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I3A IT4.43-1998
- Photography (Processing) - Effluents - Method for Determining Total Cyanide (revision and redesignation of ANSI/NAPM IT4.43-1993)
- standard by International Imaging Industry Association, 10/28/1998
- Publisher: I3A
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Describes a method for determining the total cyanide in photographic processing effluents.