Standard Specification for Glass Westergren Tube, Reusable
NORM herausgegeben am 1.7.2019
Bezeichnung normen: ASTM E923-97(2019)
Ausgabedatum normen: 1.7.2019
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
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)