90.93 Standard confirmed Sep 27, 2023
ISO
ISO/TC 61/SC 12 Thermosetting materials
International Standard
83.080.10 Thermosetting materials
Specifies three chromatographic methods for the separation of phenolic resins into their component compounds according to molecular size or molecular weight and polarity: gel-permeation chromatography, high-performance liquid chromatography on polar and on non-polar columns. Applies to phenolic resins that are soluble in the solvents and solvent blends used. This test is useful for characterization of products and for research.
PUBLISHED
ISO 11401:1993
90.93
Standard confirmed
Sep 27, 2023