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1.1 This test method covers the determination of the ash content of fats and oils used in the softening and stuffing of leather and in the manufacture of fatliquors and other softening and stuffing compounds. This test method was derived from Test Method D1951.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. See Section 5 for specific hazard statements.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

3.1 This test method is intended to determine the ash content of fats and oils used in the softening and stuffing of leather, as well as those used in the manufacture of products for such purpose. The ash content of fats and oils is measured for the purpose of quality assurance.