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This Document Has Been Superseded
A newer publication replaces it: BSI BS ISO 3619
Ammomium thiosilphate solution photographic grade
Specification for Photographic Grade Ammonium Thiosulphate
This document outlines the standards and quality requirements for ammonium thiosulphate intended for photographic use. The specification ensures that the chemical is suitable for photographic processing, maintaining image quality and stability.
Key Parameters Include:
Chemical and physical requirements and test methods to establish levels of purity.
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