ASTM D4903-99(2020) PDF

Scope: 1.1 This test method is intended for use in determining the total solids and water in extracts of vegetable tanning materials. The test method is applicable to solutions of liquid, solid, pasty, and powdered extracts, and to extracts of raw or spent materials. 1.2 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. 1.3 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 D4903-99(2020) Referenced Document

ASTM A20/A20M Standard Specification for General Requirements for Steel Plates for Pressure Vessels
ASTM D4901 Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
ASTM D4902 Standard Test Method for Evaporation and Drying of Analytical Solutions
ASTM D4905 Standard Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
ASTM D6401 Standard Test Method for Determining Non-Tannins and Tannin in Extracts of Vegetable Tanning Materials
ASTM D6402 Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials
ASTM D6404 Standard Practice for Sampling Vegetable Materials Containing Tannin
ASTM D6405 Standard Practice for Extraction of Tannins from Raw and Spent Materials

2020 ASTM D4903-99(2020) Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
1999 ASTM D4903-99(2016) Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
2009 ASTM D4903-99(2009) Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
1999 ASTM D4903-99(2004) Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
1999 ASTM D4903-99 Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts