Standard

ISO 649-1:1981

Aug 1981 Withdrawn

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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.

Document information

Standard from ISO
Published: 1 August 1981
Withdrawn: 15 February 2023
Expires: 18 March 1980
Edition: 1
Version: 1
Document type: IS
ISBN:

ICS 17.060
ISO TC ISO/TC 48/SC 4

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Referred by: NS-EN ISO 28706-2:2017
Referred by: NS-EN ISO 28706-5:2011
Referred by: NS-EN ISO 28706-2:2011

ISO 649-1:1981

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Abstract

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Abstract

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