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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Norma ASTM E()
Temperature differences of 0. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. NOTE 1—When liquid-in-glass thermometers are tested in an ice point bath, the bath may be left uncovered. This standard is not included in any packages. Large chunks asstm very cold ice added to a bath can produce local temperature depression. Current edition approved Nov.
In all cases only the current version of the standard as published by ASTM is to be considered the official document. Excessive water in the bath can cause an increase in temperature as denser warm water settles to the bottom. Read more about subscriptions. If the document is revised or amended, you will be notified by email. At steady state conditions, an error results that depends primarily on the thermophysical properties of the object, its dimensions and its depth of immersion in the ice-point bath.
ASTM E – pdf全文-调研报告-在线文档
Add ice particles, and chilled water, as necessary so that the ice slush column always extends to at least 30 mm below the lowest point of the test object. You wstm to log in before adding standards to the monitoring service. 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 your work.
This reduces the time to reach equilibrium at the ice point. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM Atsm Headquarters. 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.
This standard is also available to be included in Standards Subscriptions. As the voice of the U. Webprint Printed and bound. Please first verify your email before subscribing to alerts. The moment new editions of the standards you monitor are released, changes are made, or appendixes are published, you will be alerted by email. Freeze another portion of the water to produce ice for the bath.
The user must test for this condition.
ASTM E563 – 11(2016)
A water-ice interface in the bath acts as a heat sink. Use clean plastic gloves to handle the ice and equipment. There is a corresponding effect for changes in atmospheric pressure. Thoroughly rinse the equipment with tap water, then rinse with the type of water used for the ice-point bath medium.
This service is not available if you are a URL user where you do not log in with an email address. Cooling helps to preserve the bath at the ice point for prolonged use. 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.
A number in parentheses indicates the year of last reapproval. Already Subscribed to this document. The presence of excess water can be detected if water overspill occurs when the ice is depressed. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Precision and Bias 8. Start Webshop Product catalog Product presentation.
In most cases, pressure effects can be ignored 4. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
The solubility of air in the water is directly proportional to the atmospheric pressure.