I3A IT4.156-2002 Photography (Chemicals) - Sodium Formaldehyde Bisulfite, Anhydrous (revision and redesignation of ANSI/NAPM IT4.156-1986 (R1995))

standard by International Imaging Industry Association, 09/05/2002

Full Description

Establishes criteria for the purity of photographic-grade anhydrous sodium formaldehyde bisulfite and describes the tests to be used to determine the purity.

Product Details

Published: 09/05/2002 ANSI: ANSI Approved Number of Pages: 18 File Size: 1 file , 140 KB