ASTM-E1046 › Historical Revision Information
Standard Specification for Glass Westergren Tube, Disposable
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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.
Scope
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.
Keywords
disposable; glass; tube ; Westergren;
To find similar documents by ASTM Volume:
14.04 (Laboratory Apparatus; Degradation of Materials; SI; Oxygen Fire Safety)
To find similar documents by classification:
11.100.99 (Other standards related to laboratory medicine)
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Document Number
ASTM-E1046-85(2015)
Revision Level
1985 R15 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
July 15, 2015
Document Type
Specification
Page Count
2 pages
Committee Number
E41.01