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ISO 641:1975

Current Revision

Laboratory glassware -- Interchangeable spherical ground joints

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 641
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 48
Publish Date Document Id Type View
Not Available ISO 641:1975 Revision