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Significance and Use
3.1 Saturated fatty acids solidify at a higher temperature than unsaturated fatty acids. This test method provides a means of measuring the solidification temperature of a sample containing both unsaturated and saturated fatty acids by cooling the specimen and measuring the temperature at which solidification occurs.
3.2 Samples containing higher levels of saturated acids will have a higher titer (solidification temperature) than those with lower levels of saturated acids.
3.3 Water present in the sample will raise the titer, so provisions are made in the test method to remove traces of moisture.
1.1 This test method covers the determination of the solidification (titer) point of fatty acids and is applicable to all fatty acids.
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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
AOCS StandardSpecification H 6-40
E1 Specification for ASTM Liquid-in-Glass Thermometers
ICS Number Code 87.060.20 (Binders)
UNSPSC Code 41113310(Fatty acid analyzers)
ASTM D1982-13, Standard Test Method for Titer of Fatty Acids, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top