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ISO 6225-2:1990

Current Revision

Rubber, raw, natural - Determination of castor oil content - Part 2: Determination of total ricinoleic acid content by gas chromatography

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Applicable to all grades of natural rubber. The principle is based on extraction of any free ricinoleic acid and conversion to the acetate of methyl ricinoleate. Extraction of any castor oil glycerides also present, hydrolysis to ricinoleic acid, and conversion to the corresponding acetate of methyl ricinoleate. Determination of the total acetate by gas chromatography by comparison either with a ricinoleic acid standard, or with ricinoleic acid prepared by hydrolysis of a castor oil standard.


SDO ISO: International Organization for Standardization
Document Number ISO 6225
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 45/WG 1
Publish Date Document Id Type View
Not Available ISO 6225-2:1990 Revision