ISO 641:1975 (R2023)
Active , Reaffirmed Standard
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ISO 641:1975 (R2023)

Laboratory glassware — Interchangeable spherical ground joints

Summary

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.

Notes

90.93 : Norme internationale confirmée

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 09/01/1975
Confirmation Date 03/13/2023
Edition 1
Page Count 5
EAN ---
ISBN ---
Weight (in grams) ---
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