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ANSI/PIMA IT4.230-1982 (R1998)
Photography (Chemicals) - Sodium Tetraborate Pentahydrate and Sodium Tetraborate Decahydrate (reaffirmation and redesignation of ANSI PH4.230-1982 (R1987))
Establishes criteria for the purity of photographic-grade sodium tetraborate decahydrate and specifies the test methods to be used to determine the purity.
International Imaging Industry Association [i3a]