Active standard | Published: 01/11/2024

ASTM E923-97(2024)

Standard Specification for Glass Westergren Tube, Reusable

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Detail information

Designation: ASTM E923-97(2024)

Publication date: 01/11/2024

Pages: 3

Country: American technical standard

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Anotation

This specification covers the design and dimensional requirements for reusable glass Westergren tubes that measure the erythrocyte sedimentation rate (ESR), which is the suspension stability, or amount of settling after a specified time, of red blood cells in diluted, anti-coagulated human blood. The tubes shall be fabricated from Type I, Class B borosilicate glass, or Type II soda lime glass. Tubes shall comply with requirements for graduation line length and numbering, marking permanency, grinding bevel, and workmanship. The tubes should also pass a pigmentation and amber stain test.

Keywords:
blood, glass, reusable, sedimentation rate, westergren,, ICS Number Code 11.100 (Laboratory medicine)

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