BS ISO 8312:2015

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling
5 Physical and chemical properties
6 Test report
Annex A (normative) - Determination of ash at
        550 degrees C +/- 25 degrees C
Annex B (normative) - Determination of copper
        content - Atomic absorption spectrometric
        method
Annex C (normative) - Determination of manganese
        content - Atomic absorption spectrometric
        method
Annex D (normative) - Determination of iron
        content - Atomic absorption spectrometric
        method
Annex E (normative) - Determination of nickel
        content - Atomic absorption
        spectrometric method
Annex F (normative) - Determination of mineral
        acidity - Titrimetric method
Annex G (normative) - Determination of copper
        content - Molecular absorption
        spectrometric method
Annex H (normative) - Determination of manganese
        content - Molecular absorption
        spectrometric method
Annex J (normative) - Determination of iron
        content - Molecular absorption
        spectrometric method
Annex K (normative) - Determination of nickel
        content - Molecular absorption
        spectrometric method
Annex L (normative) - Classification of stearic and
        stearic acid/palmitic acid blends and
        typical physical and chemical properties
Bibliography

Specifies stearic acid (including blends of stearic and palmitic acid) for use as a compounding ingredient in the rubber industry and specifies the test methods for describing its properties.