BS ISO 3621:1994 : Implementation of ISO 3621 : 1994 Photography — Specifications for sodium tetraborate decahydrateProcessing 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 sodium tetraborate decahydrate and specifies the tests to be used to determine the purity.