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ISO 649-1:1981

Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification

Aug 1, 1981
95.99   Withdrawal of Standard   Feb 15, 2023

General information

95.99     Feb 15, 2023

ISO

ISO/TC 48/SC 4

International Standard

17.060  

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO/R 649:1968

NOW

WITHDRAWN
ISO 649-1:1981
95.99 Withdrawal of Standard
Feb 15, 2023

National adoptions

Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification

95.99   Withdrawal of Standard

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