ASTM D5768 - 02(2018) - Standard Test Method for Determination of Iodine Value of Tall Oil Fatty Acids

ASTM D5768 - 02(2018)

Standard Test Method for Determination of Iodine Value of Tall Oil Fatty Acids

Status : Current   Published : June 2018

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HARDCOPY



1.1 This test method covers the Wijs procedure for determination of unsaturation (iodine value) of tall oil fatty acids.

1.2 Iodine value is a measure of the unsaturation of oils and fatty acids and is expressed in terms of the number of centigrams of iodine per gram of sample (weight percent of absorbed iodine).

1.3 When this test method is used to determine the iodine value of fatty acids having conjugated systems, the result is not a measure of total unsaturated, but rather is an empirical value that affords a comparison of unsaturation. Total unsaturation of conjugated systems may be measured in accordance with Test Method D1541.

1.4 The test method described here is not reliable for tall oil fatty acids containing an appreciable quantity of rosin.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.6  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.

1.7  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.




Standard NumberASTM D5768 - 02(2018)
TitleStandard Test Method for Determination of Iodine Value of Tall Oil Fatty Acids
StatusCurrent
Publication Date01 June 2018
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Iodine value, tall oil fatty acids
ICS87.060.20
PublisherASTM
FormatA4
DeliveryYes
Pages4
File Size75 KB
Price£36.00


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