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ASTM E100 - 19(2024)
Standard Specification for ASTM Hydrometers
| Fecha edición: |
2024-05-01
En Vigor
|
|---|---|
| Idiomas disponibles: | Inglés |
| Resumen: | This specification covers glass hydrometers of various scale graduation systems, as required by the ASTM test methods in which they are used. Hydrometers shall be of the constant-mass, variable-displacement type. Hydrometers shall be made of glass, except for the scale, ballasting material, and the thermometric liquid of thermohydrometers. Material used for ballast shall be secured to the lower part of the body, and no loose material of any sort may be inside a hydrometer. The stem shall be uniform in cross section, with no perceptible irregularities. The preferred shapes for the bodies of hydrometers are presented. Graduation lines and inscriptions shall be in a permanent black marking material, such as India ink. All hydrometers shall be graduated to read correctly where the plane of the level liquid surface intersects the stem. The thermometer shall be of the mercury-in-glass type, unless otherwise specified. Hydrometers shall be inspected, tested, and standardized in accordance with the requirements prescribed. |
| Keywords: | ballast; body; hydrometers; relative density; specific gravity; stem; thermohydrometers; |
| Scope: | 1.1 This specification covers glass hydrometers of various scale graduation systems, as required by the ASTM Test Methods in which they are used. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
| ICS: | 17.060 - Medición de volumen, masa, densidad, viscosidad |
| CTN: | E20.05 - E20.05 |
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Otras Relaciones |
Es referenciada por D6822 - 24 Es referenciada por D3716-14R20 Es referenciada por E0224-23 Es referenciada por D0287-22 Es referenciada por D5240_D5240M-20 Es referenciada por C0474-15R20 Es referenciada por C0088_C0088M-24 Es referenciada por F1321-21 Es referenciada por C0123_C0123M-23 Es referenciada por D1657-22E01 Es referenciada por E0344-23 Es referenciada por D4371_D4371M-06R19E01 Es referenciada por D1122-22 Es referenciada por D7928-21E01 Es referenciada por E0126-19R24 Es referenciada por E50 - 25 Es referenciada por D4659 - 25 Es referenciada por D891 - 25 Es referenciada por C494/C494M - 24 Es referenciada por E223 - 25 |










