BS ISO 3623:1994 : Implementation of ISO 3623 : 1994 Photography — Specifications for anhydrous potassium carbonateProcessing chemicals —
Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
This International Standard establishes criteria for the purity of photographic-grade anhydrous potassium carbonate and specifies the tests to be used to determine the purity.