ISO 6225-1:1984

Rubber, raw, natural — Determination of castor oil content — Part 1: Determination of castor oil glycerides content — Thin layer chromatographic method ISO 6225-1:1984

Publication date:   Apr 1, 1984

Scope

The addition of the mentioned ingredient is intended to facilitate crumbing. This part of standard aids the estimation of the amount of oil remaining in the rubber. Triglyceride of ricinoleic acid is the principal constituent of castor oil (80...85 %). Method applicable to all grades of natural rubber. Lower limit of detection approx. 0.05 % of castor oil glycerides. - Part 2 of this standard refers to the total ricinoleic acid content.