ASTM D4905-99 - 10.5.1999
 
1. Scope

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 involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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

D4904-99(2026)

Standard Practice for Cooling of Analytical Solutions

D6403-99(2020)

Standard Test Method for Determining Moisture in Raw and Spent Materials

Preparation of Solution of Solid, Pasty, and Powdered Extracts Official Methods of the American Leather Chemists Association. Available from the American Leather Chemists Association, University of Cincinnati, P.O. Box 210014, Cincinnati, OH 452210014.

D4903-99(2026)

Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts

D6404-99(2020)

Standard Practice for Sampling Vegetable Materials Containing Tannin