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ISO 3299:1994

Photography -- Processing chemicals -- Specifications for 1-phenyl-3-pyrazolidinone

General information

Valid from 03.11.1994
Directives or regulations
None

Standard history

Status
Date
Type
Name
03.11.1994
Main
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade 1-phenyl-3-pyrazolidinone (phenidone) and specifies the test methods to be used to determine the purity.

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Standard monitoring