ASTM-D6401:2020 Edition

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D6401-99(2020) Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials

Published By	Publication Date	Number of Pages
ASTM	2020	4

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Categories: 59.140.10 - Processes and auxiliary materials, ASTM

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Description

ASTM D6401-99-Reapproved2020

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

ASTM D6401

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 values given in parentheses after SI units are for information only and are not considered 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.

Keywords

non-tannins; soluble non-tannins; tannins; tannin analysis; vegetable tannin analysis;

ICS Code

ICS Number Code 59.140.10 (Processes and auxiliary materials)

DOI: 10.1520/D6401-99R20

Additional information

Standard Title	D6401-99(2020) Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
Published Code	ASTM
Publication Date	2020
Pages Count	4
ICS Codes	59.140.10 - Processes and auxiliary materials