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.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Definitions
4 Test methods
4.1 Method A — Gel-permeation chromatography
4.2 Method B — High-performance liquid chromatography on polar columns
4.3 Method C — High-performance liquid chromatography on non-polar (reversed-phase) columns