Photography — Processing chemicals — Specifications for p-methylaminophenol sulfate
Primary tabs
Reference:
ISO 422:1994
Publication Year:
1994
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.
32 000 F CFA
LATEST NEWS
Water is essential to life. It is also vital to achieving more inclusive and sustainable development. That's why...
From 25 to 26 August 2022, ASN held a mission to popularize ISO standards in the field of on-site sanitation in Togo...
We are pleased to announce that the Director General of the Senegalese Association for...
The Senegalese Association for Standardization (ASN) celebrated on November 11, 2022 the World...
