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ASTM E1046-85(2021)

Historical Reaffirmation

Standard Specification for Glass Westergren Tube, Disposable

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1.1 This specification covers a disposable tube used for measuring the erythrocyte sedimentation rate, ESR (the suspension stability of red cells in diluted, anti-coagulated human blood).

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 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.


This specification covers a disposable glass Westergren tube used for measuring the erythrocyte sedimentation rate. Covered by this specification are Type I (standard Westergren tube used in conventional racks only) and Type II (self-zeroing tubes used with racks that have convenient disposable tube features) Westergren tubes. The tubes shall be manufactured from borosilicate glass (Type I, Class B) or soda lime glass (Type II) into a one-piece construction that is free from visible defects, straight, and of uniform bore, with the ends of the tube cut at right angles to the tube axis and fire polished. In addition, Type II tubes shall be inserted wit an absorbent cotton plug. The tube shall be graduated, with graduation lines at right angles to the tube axis and in units of millimeters.


SDO ASTM: ASTM International
Document Number E1046
Publication Date Jan. 1, 2021
Language en - English
Page Count 2
Revision Level 85(2021)
Supercedes
Committee E41.01
Publish Date Document Id Type View
Jan. 1, 2000 E1046-85R00E01 Revision
Jan. 1, 2021 E1046-85R21 Reaffirmation
June 1, 2015 E1046-85R15 Reaffirmation
July 1, 2010 E1046-85R10 Reaffirmation
Oct. 1, 2005 E1046-85R05 Reaffirmation
Jan. 1, 2000 E1046-85R96 Reaffirmation