Purchase your copy of ASTM E – 11() as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards. Find the most up-to-date version of ASTM E at Engineering Designation: E – 11Standard Practice for Preparation and Use of an Ice-Point Bath as 1 This practice is under the jurisdiction of ASTM Committee E20 on.
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It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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In most cases, pressure effects can be ignored 4. Summary of Practice 4. Thoroughly rinse the equipment with tap water, then rinse with the type of water used for the ice-point bath medium. A water-ice interface in the bath acts as a heat sink.
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This reduces the time to reach equilibrium at the ice point. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service e-mail ; or through the ASTM website. The temperature increase depends on the electric power being dissipated and the thermal resistance between the sensor and the water-ice interface. Your Alert Profile lists the documents that will be monitored. Already Subscribed to this document.
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Shaved ice resembling snow is preferred, but crushed ice is acceptable if the particles are small not exceeding 2 to 3 mm diameter.
Norma ASTM E()
Impurities in the water usually lower the temperature. Please first verify your email before subscribing to alerts. Temperature differences of 0. This standard is not included in any packages. Cooling helps to preserve the bath at the ice qstm for prolonged use. Excessive water in the bath can cause an increase in temperature as denser warm water settles to the bottom. Need more than one copy? A superscript epsilon indicates an editorial change since the last revision or reapproval.
If you feel that your comments have not received a fair hearing you should make your views known qstm the ASTM Committee on Standards, at the address shown below. The temperature is lowered by about 6.
The solubility of air in the water is directly proportional to the atmospheric r563. As ice melts, the interface moves away from the test object, and a temperature difference, which can be as much as several kelvins, is established between the test object and the heat sink.
Standards Subsctiption may be the perfect solution. Proceed to Checkout Continue Shopping. NOTE 1—When liquid-in-glass thermometers are tested in an ice point bath, the bath may be left uncovered. For this reason surplus water should be removed, as it accumulates, from the bottom of the bath by decanting asrm siphoning.
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Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Discontinued February and reinstated as E — There is a corresponding effect for changes in atmospheric pressure. For partial immersion liquid-in-glass thermometers, immerse to the immersion line or stated immersion depth. For usual applications, a diameter of at least 70 mm and a depth of at least mm may be adequate.
Current edition approved Nov. ASTM International takes no position respecting the qstm of any patent rights asserted e56 connection with any item mentioned in this standard. It is also intended to be adequate for most other ice-point reference purposes. Monitoring Standards monitoring is a free service designed for you who wish to be alerted of changes to or new editions of the standards required in asttm work.
Asm the bath and vessel to equilibrate for at least 30 minutes before using. Start Webshop Product catalog Product presentation. Use an opaque and thermally insulating cover or stopper that is suitable for the application.