KS M ISO 422:2002
Photography－Processing chemicals－Specifications for p -methylaminophenol sulfate

Standard No.

KS M ISO 422:2002

Release Date

2002

Published By

Korean Agency for Technology and Standards (KATS)

Status

Be replaced

Replace By

KS M ISO 422:2019

Latest

KS M ISO 422:2019

Replace

KS M ISO 422:1988

Scope

This standard specifies the purity of p-methylaminophenol sulfate (HOC6H4NHCH3ㆍ1/2H2SO4) for photographic purposes.

KS M ISO 422:2002 history

• 2019 KS M ISO 422:2019 Photography — Processing chemicals —Specifications for p-methylaminophenol sulfate
• 2002 KS M ISO 422:2002 Photography－Processing chemicals－Specifications for p -methylaminophenol sulfate
• 0000 KS M ISO 422:1988