ASTM D4903-99(2004) - 1.4.2004
 
Significance and Use

The test method is useful in determining the total solids and water in analytical solutions.

 
1. 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.

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.

 
2. Referenced Documents

D6405-99(2020)

Standard Practice for Extraction of Tannins from Raw and Spent Materials

D6404-99(2020)

Standard Practice for Sampling Vegetable Materials Containing Tannin

D4905-99(2026)

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

D4901-99(2026)

Standard Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts

D4902-99(2026)

Standard Test Method for Evaporation and Drying of Analytical Solutions

D6401-99(2020)

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

D6402-99(2020)

Standard Test Method for Determining Soluble Solids and Insolubles in Extracts of Vegetable Tanning Materials