OS GSO ISO 4281:2017
ISO 4281:1977
Omani Standard
Current Edition
· Approved on 03 October 2017
Sodium hexafluorosilicate for industrial use -- Determination of free acidity and total hexafluorosilicate content -- Titrimetric method
Adoption Without Modification!
This document is an identical adoption of
GSO ISO 4281:2017
OS GSO ISO 4281:2017 Files
English 2 Pages
Current Edition
Reference Language
20.01 OMR
OS GSO ISO 4281:2017 Scope
This International Standard specifies a titrimetric method for the determination of the free acidity and the total hexafluorosilicate content of sodium hexafluorosilicate for industrial use. In respect of free acidity, it is applicable to products having free acidities, expressed as a percentage by mass of hexafluorosilicic acid (H2SiF6), equal to or greater than 0,1.
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