ASTM D4900-99
Historical Standard: ASTM D4900-99 Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
SUPERSEDED (see Active link, below)
ASTM D4900
1. Scope
1.1 This test method is intended for use in detecting the presence of lignosulfonates (sulfite cellulose) in extracts of tanning materials.
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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D4901 Practice for Preparation of Solution of Liquid Vegetable Tannin Extracts
D4905 Practice for Preparation of Solution of Solid, Pasty and Powdered Vegetable Tannin Extracts
D6404 Practice for Sampling Vegetable Materials Containing Tannin
D6405 Practice for Extraction of Tannins from Raw and Spent Materials
ALCA Methods
A50 Lignosulfonates (Sulfite Cellulose) Official Methods of the American Leather Chemists Association. Available from the American Leather Chemists Association, University of Cincinnati, P.O. Box 210014, Cincinnati, OH 45221-0014.Keywords
lignosulfonates; sulfite cellulose; tannin analysis; vegetable tannin analysis; Cellulose and cellulose derivatives; Lignosulfonates; Purity analysis; Sulfite cellulose; Tanning analysis/materials; Vegetable-tanned leather
ICS Code
ICS Number Code 59.140.10 (Processes and auxiliary materials)
DOI: 10.1520/D4900-99
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