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Norm
ISO 649-1:1981
Ausgabedatum: 1981 08 01
Laboratory glassware — Density hydrometers for general purposes — Part 1: Specification
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 ...
ZURÜCKGEZOGEN: 2023 02 15
Herausgeber:
International Organization for Standardization
Format:
Digital | 9 Seiten
Sprache:
Englisch
ICS
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.
