30.20 Jun 5, 2026
ISO
ISO/TC 47
International Standard
This document specifies the test methods of industrial dimethyl sulfoxide such as appearance, purity, water, acid value, crystallizing point, transmittance, refractive index, colour, density and metal ion content.
IN_DEVELOPMENT
ISO/CD 25803-1.2
30.20
CD study/ballot initiated
Jun 5, 2026
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