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ASTM D3516-89(2019)e1

Current Reaffirmation

Standard Test Methods for Ashing Cellulose

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1.1 These test methods cover four ashing methods for cellulose. These are intended for use on unbleached and bleached cellulose in sheeted or bulk fiber form. Each one of the test methods has advantages, so that preference applications exist for all four.

1.2 The test methods appear as follows:

 

Sections

Test Method A—Ash in Cellulose at 575°C

6 to 11

Test Method B—Sulfated Ash in Cellulose at 575°C

12 to 17

Test Method C—Ashing Cellulose by Schoniger Oxidation

18 to 22

Test Method D—Wet Ashing of Cellulose for Inorganics

23 to 29

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see 20.6.1.

1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


4.1 Ash content gives an estimation of the inorganic content of cellulose samples. The presence of high levels of ash can be expected to be detrimental to the process of making cellulose derivatives. It also provides a rough estimate of silica content which can have a significant effect on the performance of filters in cellulose derivative manufacturing facilities.

SDO ASTM: ASTM International
Document Number D3516
Publication Date Dec. 1, 2019
Language en - English
Page Count 6
Revision Level 89(2019)e1
Supercedes
Committee D01.36
Publish Date Document Id Type View
Dec. 1, 2019 D3516-89R19E01 Reaffirmation
June 1, 2011 D3516-89R11 Reaffirmation
April 1, 2006 D3516-89R06 Reaffirmation
Jan. 1, 2000 D3516-89R00 Reaffirmation
Jan. 1, 2000 D3516-89R95E01 Reaffirmation