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ASTM International - ASTM D4085-93(2008)

Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry

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Organization: ASTM International
Publication Date: 1 June 2008
Status: inactive
Page Count: 3
ICS Code (Pulps): 85.040
significance And Use:

Manganese in pulp acts as a catalyst in oxidizing cellulose.

Iron in pulp can cause yellowness in rayon fibers and influence cellulose acetate plastics color. Iron also causes problems in... View More

scope:

1.1 This test method covers the determination of the iron, copper, manganese, and calcium content of cellulose pulp from wood or cotton.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.

Document History

July 1, 2021
Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry
1.1 This test method covers the determination of the iron, copper, manganese, and calcium content of cellulose pulp from wood or cotton. 1.2 The values stated in SI units are to be regarded as...
June 1, 2013
Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry
4.1 Manganese in pulp acts as a catalyst in oxidizing cellulose. 4.2 Iron in pulp can cause yellowness in rayon fibers and influence cellulose acetate plastics color. Iron also causes problems in...
ASTM D4085-93(2008)
June 1, 2008
Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry
Manganese in pulp acts as a catalyst in oxidizing cellulose. Iron in pulp can cause yellowness in rayon fibers and influence cellulose acetate plastics color. Iron also causes problems in...
May 10, 2003
Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry
Manganese in pulp acts as a catalyst in oxidizing cellulose. Iron in pulp can cause yellowness in rayon fibers and influence cellulose acetate plastics color. Iron also causes problems in...
January 1, 1993
Standard Test Method for Metals in Cellulose by Atomic Absorption Spectrophotometry
1.1 This test method covers the determination of the iron, copper, manganese, and calcium content of cellulose pulp from wood or cotton. 1.2 This standard does not purport to address all of the...
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