BS ISO 422:1994
Photography - Processing chemicals - Specifications for p-methylaminophenol sulfate

Standard No.

BS ISO 422:1994

Release Date

1995

Published By

British Standards Institution (BSI)

Status

Be replaced 1995-03

Replace By

BS ISO 422:1995

Latest

BS ISO 422:1995

Replace

92/38216 DC:1992 BS 3105:1978

Scope

This International Standard establishes criteria for the purity of photographic-grade p-methylaminophenol sulfate and specifies the test methods to be used to determine the purity.

BS ISO 422:1994 history

• 1995 BS ISO 422:1995 Photography. Processing chemicals. Specifications for p-methylaminophenol sulfate
• 1995 BS ISO 422:1994 Photography - Processing chemicals - Specifications for p-methylaminophenol sulfate