Photography (Chemicals) - Sodium Metaborate Octahydrate (reaffirmation and redesignation of ANSI/NAPM IT4.231-1982 (R1996))

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Active

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Electronic (PDF)

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10 minutes

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200 business days

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Establishes criteria for the purity of photographic-grade sodium metaborate octahydrate and describes the tests to be used to determine the purity.

I3A IT4.231-1982 (R2001) PDF