
Standard Specification for Laboratory Glass Graduated Burets
NORMA vydaná dňa 1.11.2024
Označenie normy: ASTM E287-02(2024)
Dátum vydania normy: 1.11.2024
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
This specification covers requirements for glass burets of precision and general-purpose grades suitable for laboratory use. Burets are classified as: class A - precision grade buret, and class B - general purpose burets. Burets shall be calibrated to deliver the intended volume at 20?C. No after-drainage period is allowed. Self-zeroing burets shall have an ungraduated, tapered, interior extension that terminates with an overflow orifice. Burets may be equipped with a filling tube. All burets shall have permanently attached stopcocks. The stopcock´s handle shall be located to the right. Stopcock plugs shall be provided with a retaining device.
Keywords:
burets, glass, graduated,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)