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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Decant or siphon off excess water. If the document is revised or amended, you will be notified by email.
ASTM E – pdf全文-调研报告-在线文档
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. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Large chunks of very cold ice added to a bath can produce local temperature depression. This service is not available if you are a URL user where you do not log in with an email address.
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The loss of precision between a covered and uncovered bath may be below the resolution of liquid-in-glass thermometers. For partial immersion liquid-in-glass thermometers, immerse to the immersion line or stated immersion depth. The benefits of a subscription: Use of the bath must be delayed long enough to establish thermal w563, and the particles shall be sufficiently d563 so that the bath approaches the required state of ice and air-saturated water in intimate contact.
Impurities in the water usually lower the temperature. Originally published as E — ast, For usual applications, a diameter of at least 70 mm and a depth of at least mm may be adequate.
NOTE 1—When liquid-in-glass thermometers astj tested in an ice point bath, the bath may be left uncovered. Read more about subscriptions. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
Please first verify your email before subscribing to alerts. A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Subscription – always available and updated A web subscription provides an easy and secure access to standards, and you are guaranteed to always have the latest edition. Subscription pricing is determined e5563 Excessive water in the bath can cause an increase in temperature as denser warm water settles to the bottom.
Thoroughly rinse the equipment with tap water, then rinse with the type of water used for the ice-point bath medium. It is also intended to be adequate for most other ice-point reference purposes. At steady state conditions, an error results that depends primarily on the thermophysical properties of the object, its dimensions and its depth sstm immersion in the ice-point bath.
In most cases, pressure effects can be ignored 4.
You may delete a document from your Alert Profile at any time. There is a corresponding effect for changes in atmospheric pressure. A superscript epsilon indicates an editorial change since the last revision or reapproval.
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Norma ASTM E()
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For this reason surplus water should be removed, as it accumulates, from the bottom of the bath by decanting or siphoning. The uniformity of temperature of the bath can be enhanced by slowly stirring or agitating the slush of ice and water either manually or by a powered stirring means so that all of the ice and water in the bath come into intimate contact.
Summary of Practice 4. As the voice of the U. In all cases only the current version of the standard as published by ASTM is to be considered the official document. This ensures that you are always up-to-date and saves you both time and money. A number in parentheses indicates the year of last reapproval.
We have no amendments or corrections for this standard. Current edition approved Nov. This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. The user must test for this condition. You need to log in before adding standards to the monitoring service. Allow the bath and vessel to equilibrate for at least 30 minutes before using.