Codes & Standards - Purchase
ISO 422:1994
Photography -- Processing chemicals -- Specifications for p-methylaminophenol sulfate
SKU: iso_020281_109558
Published by ISO
Publication Year 1994
2 Edition
8 pages
Product Details
Cancels and replaces the first edition (1976). Lays down criteria for the purity of photographic-grade p-methylaminophenol sulfate and specifies the test methods to be used to determine the purity.