Reference number
ISO 641:1975
© ISO 2024
International Standard
ISO 641:1975
Laboratory glassware — Interchangeable spherical ground joints
Edition 1
1975-09
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Published (Edition 1, 1975)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 641:1975

Language
Format
CHF 42
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Abstract

The requirements deal with the geometric charateristics to ensure interchangeability. The dimensions of the joint-ground zone and the outer diameter of the tube connected to the joint are given in a table and illustrated in a drawing. In addition the surface finish is specified. A system of gauges (stell balls) for testing the ball cup is tabled. In the annex a method of testing the leakage including the apparatus is described.

General information

  • Status
     : Published
    Publication date
     : 1975-09
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 48/SC 7
    ICS :
    71.040.20 
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