Aktívna norma | Vydaná: 01.11.2024

ASTM E923-97(2024)

Standard Specification for Glass Westergren Tube, Reusable

Dostupné jazyky: Anglicky

Dostupné prevedenie: Online zabezpečené PDF, Tlačené

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Podrobné informácie

Označenie: ASTM E923-97(2024)

Dátum vydania: 01.11.2024

Stránok: 3

Krajina: Americká technická norma

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Anotácia

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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