ASTM International - ASTM D4905-99(2009)

Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts

historical
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Organization: ASTM International
Publication Date: 1 April 2009
Status: historical
Page Count: 2
significance And Use:

The concentration of tannins in solid, pasty, and powdered extracts needs to be reduced to analytical strength for tannin analyses.

4.2 Vegetable tannin extracts are heterogeneous mixtures... View More

scope:

1.1 This practice covers a standard procedure for use in preparing the analytical solution required for the analysis of solid, pasty, or powdered vegetable tannin extracts.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 and health practices and determine the applicability of regulatory limitations prior to use.

Document History

September 1, 2016
Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
4.1 The concentration of tannins in solid, pasty, and powdered extracts needs to be reduced to analytical strength for tannin analyses. 4.2 Vegetable tannin extracts are heterogeneous mixtures of...
ASTM D4905-99(2009)
April 1, 2009
Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
The concentration of tannins in solid, pasty, and powdered extracts needs to be reduced to analytical strength for tannin analyses. 4.2 Vegetable tannin extracts are heterogeneous mixtures of...
April 1, 2004
Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
The concentration of tannins in solid, pasty, and powdered extracts needs to be reduced to analytical strength for tannin analyses. 4.2 Vegetable tannin extracts are heterogeneous mixtures of...
May 10, 1999
Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
1.1 This practice is intended for use in preparing a solution of solid, pasty, or powdered extract for the use in determining the total solids, soluble solids and nontannins. 1.2 This standard may...
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