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ASTM D1106-21

Standard Test Method for Acid-Insoluble Lignin in Wood<sup>,</sup >
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1.1 This test method3 covers the determination of the acid-insoluble lignin content of wood.

1.2 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. Specific precautionary statements are given in 6.1.

1.3 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.

1.1 This test method3 covers the determination of the acid-insoluble lignin content of wood.

1.2 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. Specific precautionary statements are given in 6.1.

1.3 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.

4.1 Wood contains approximately 20 to 30 % lignin.

Removal of the lignin is the primary objective of pulping and bleaching procedures.

Determination of the lignin content provides information for the evaluation and application of these processes.

SDO ASTM: ASTM International
Document Number D1106
Publication Date Feb. 1, 2021
Language en - English
Page Count 3
Revision Level 21
Supercedes
Committee D07.01
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