Abstract / scope
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.
ISO 3299:1994Published
Photography — Processing chemicals — Specifications for 1-phenyl-3-pyrazolidinone
Photographie — Produits chimiques de traitement — Spécifications pour la phényl-1 pyrazolidinone-3