Standard

ISO 641:1975 en

Laboratory glassware - Interchangeable spherical ground joints

31,57

About norm

Status Current
Number of pages 5
Published on 01-09-1975
Language English
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.

Details

ICS-code 71.040.20
Dutch title Laboratory glassware - Interchangeable spherical ground joints
English title Laboratory glassware - Interchangeable spherical ground joints

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