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Last Updated: Dec 31, 2010
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ASTM D4900-99(2004)
Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
D4900-99R04
ASTM|D4900-99R04|en-US
Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
Standard
D4900 Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts>
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BOS Vol. 15.04 Committee D31
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Significance and Use
The test method is useful to detect possible adulteration of tanning material extract with cheap and inferior lignosulfonates.
Scope
1.1 This test method is intended for use in detecting the presence of lignosulfonates (sulfite cellulose) in extracts of tanning 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.