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ISO 641:1975

Laboratory glassware — Interchangeable spherical ground joints

Standard Details

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
Standard Type: Main
Document No: ISO 641:1975
Document Year: 1975
Pages: 5
Edition: 1
  • ICS:
  • 71.040.20 Laboratory ware and related apparatus

Life Cycle

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ISO 641:1975
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