ISO 3620:1994
Photography - Processing chemicals - Specifications for aluminium potassium sulfate

Standard No.

ISO 3620:1994

Release Date

1994

Published By

International Organization for Standardization (ISO)

Status

Be replaced

Replace By

ISO 3620:1994/Cor 1:1995

Latest

ISO 3620:1994/Cor 1:1995

Scope

Establishes criteria for the purity of photographic-grade aluminium potassium sulfate dodecahydrate, AlK(SO₄)₂?2H₂O, and specifies the tests to be used to determine the purity.

ISO 3620:1994 history

• 1994 ISO 3620:1994/Cor 1:1995 Photography - Processing chemicals - Specifications for aluminium potassium sulfate
• 1994 ISO 3620:1994 Photography - Processing chemicals - Specifications for aluminium potassium sulfate
• 1976 ISO 3620:1976 Photographic grade aluminium potassium sulphate dodecahydrate; Specification