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I3A IT4.156-2002

Photography (Chemicals) - Sodium Formaldehyde Bisulfite, Anhydrous (revision and redesignation of ANSI/NAPM IT4.156-1986 (R1995))

Pages: 18
Publication date: 2002-09-05
Price: 31 vnd

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Establishes criteria for the purity of photographic-grade anhydrous sodium formaldehyde bisulfite and describes the tests to be used to determine the purity.
Document identifier
I3A IT4.156-2002
Title
Photography (Chemicals) - Sodium Formaldehyde Bisulfite, Anhydrous (revision and redesignation of ANSI/NAPM IT4.156-1986 (R1995))
I3A Category
Publication date
2002-09-05
Status
Effective
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Pages
18
Price 31 vnd

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