Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D6405-99(2004)

Standard Practice for Extraction of Tannins from Raw and Spent Materials

Standard Practice for Extraction of Tannins from Raw and Spent Materials D6405-99R04 ASTM|D6405-99R04|en-US Standard Practice for Extraction of Tannins from Raw and Spent Materials Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

This practice provides a standard procedure for obtaining the water-soluble materials (including tannins) from any material that can be prepared for and charged to the steam-jacketed extractor. The extraction solutions are then analyzed according to Test Methods D 4903, D 6401, and D 6402.

Scope

1.1 This practice covers extracting the tannin from raw and spent materials. The water extract obtained by this method is used to determine the tannin content of the original material. Analysis for total solids, soluble solids, and soluble non-tannins of the water extract from a material provides the information necessary to calculate the extractable tannin content of that material. The types of materials typically analyzed by this practice are products of plants such as woods, barks, leaves, nuts, fruits, roots, etc. and any of a wide variety of by-products (spent materials) from industrial processes utilizing plant products.

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.

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Details
Book of Standards Volume: 15.04
Developed by Subcommittee: D31.01
Pages: 3
DOI: 10.1520/D6405-99R04
ICS Code: 59.140.10