ASTM D4905-99(2020) PDF

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, 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.

ASTM D4905-99(2020) Referenced Document

ASTM D4903 Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
ASTM D4904 Standard Practice for Cooling of Analytical Solutions
ASTM D6403 Standard Test Method for Determining Moisture in Raw and Spent Materials
ASTM D6404 Standard Practice for Sampling Vegetable Materials Containing Tannin

2020 ASTM D4905-99(2020) Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
1999 ASTM D4905-99(2016) Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
1999 ASTM D4905-99(2009) Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
1999 ASTM D4905-99(2004) Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
1999 ASTM D4905-99 Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts