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ISO 641:1975

Laboratory glassware — Interchangeable spherical ground joints ISO 641:1975

Publication date:   Sep 1, 1975

General information

90.93 Standard confirmed   Mar 13, 2023

ISO

ISO/TC 48 Laboratory equipment

International Standard

71.040.20   Laboratory ware and related apparatus

Buying

Published

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 641:1975
90.93 Standard confirmed
Mar 13, 2023