ISO 6225-2:1990 (R2025)
Active , Reaffirmed Standard
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ISO 6225-2:1990 (R2025)

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

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 11/15/1990
Confirmation Date 06/10/2025
Edition 2
Page Count 3
EAN ---
ISBN ---
Weight (in grams) ---
No products.

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