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ASTM International - ASTM D6401-99

Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials

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Organization: ASTM International
Publication Date: 10 May 1999
Status: inactive
Page Count: 4
ICS Code (Processes and auxiliary materials): 59.140.10
scope:

1.1 This test method is intended for use in determining the quantity of soluble non-tannins and tannin in solutions of tannin extracts, water extracts of vegetable tanning materials, or tanning liquors. The method is applicable to the analysis of liquid, solid, pasty, and powdered extracts and to extracts of raw or spent materials.

1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.

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.

Document History

December 1, 2020
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
5.1Â This test method is used to determine the proportion of the total soluble solids which are soluble non-tannins and the proportion which are tannins in a solution of tannin extract or in the...
September 1, 2016
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
5.1 This test method is used to determine the proportion of the total soluble solids which are soluble non-tannins and the proportion which are tannins in a solution of tannin extract or in the water...
April 1, 2009
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
This test method is used to determine the proportion of the total soluble solids which are soluble non-tannins and the proportion which are tannins in a solution of tannin extract or in the water...
April 1, 2004
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
This test method is used to determine the proportion of the total soluble solids which are soluble non-tannins and the proportion which are tannins in a solution of tannin extract or in the water...
ASTM D6401-99
May 10, 1999
Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
1.1 This test method is intended for use in determining the quantity of soluble non-tannins and tannin in solutions of tannin extracts, water extracts of vegetable tanning materials, or tanning...
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