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ASTM D1696-95(2006)

Historical Reaffirmation

Standard Test Method for Solubility of Cellulose in Sodium Hydroxide

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1.1 This test method is intended for application to dissolving-type cellulose pulps prepared from cotton or wood. The procedure is not directly applicable to unrefined pulps for use in chemical conversion processes because solubility equilibrium may not be attained within the specified extraction time.

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

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 consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


The measurement of soluble oxidizable components of cellulose in sodium hydroxide is indicative of the purity of the cellulose sample, since pure cellulose is insoluble in sodium hydroxide. The extracted components are typically hemicelluloses, which are naturally present in the wood. Differences in pulp purity can have a dramatic impact on the processing and properties of the cellulose derivatives produced from the pulp.

SDO ASTM: ASTM International
Document Number D1696
Publication Date April 1, 2006
Language en - English
Page Count 4
Revision Level 95(2006)
Supercedes
Committee D01.36
Publish Date Document Id Type View
Dec. 1, 2019 D1696-95R19E01 Reaffirmation
June 1, 2011 D1696-95R11 Reaffirmation
April 1, 2006 D1696-95R06 Reaffirmation
March 10, 2000 D1696-95R00 Reaffirmation