Abstract
The requirements for basic series and sub-series of glass hydrometers of constant mass without built-in thermometer are specified. They are graduated to indicate density at 20 degrees centigrade and 15 degrees centigrade, respectively. Standard categories of surface tension are tabled in annex A, recommended stem diameters in annex B.
General information
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Status: WithdrawnPublication date: 1981-08Stage: Withdrawal of International Standard [95.99]
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Edition: 1Number of pages: 9
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Technical Committee :ISO/TC 48/SC 4ICS :17.060
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Life cycle
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Previously
WithdrawnISO/R 649:1968
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Now