ISO 641:1975
$13.00
Laboratory glassware — Interchangeable spherical ground joints
| Published By | Publication Date | Number of Pages |
| ISO | 1975-09 | 7 |
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.
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