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ISO 6225-2:1990

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 6225-2:1990
Document Year: 1990
Pages: 3
Edition: 2
  • Section Volume:
  • ISO/TC 45/SC 3. Raw materials (including latex) for use in the rubber industry

Life Cycle

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ISO 6225-2:1990
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