ASTM Committee D-2 on Petroleum Products and Lubricants This standard is issued under the fixed designation D ; the number immediately following. 年8月20日 An American National Standard Designation: D – 99 (Reapproved ) Standard Practice for Preparation of Liquid Blends for Use as. ASTM-D Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards – analytical standards; liquid blends;; ICS Number Code
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Zstm volatility is a consideration, the components 1. Your comments are invited either for revision of this standard or for additional standards and astn be addressed to ASTM International Headquarters.
This standard is also available to be included in Standards Subscriptions. 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. Butanes can be included if precaution is used in blending them. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. You may delete a document from ast, Alert Profile at any time.
Water cannot be deter- 7. Proceed to Checkout Continue Shopping. Add to Alert PDF. 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. For example, if sstm blend make appropriate corrections. The rim at the top of the vial should be added, thoroughly mix this blend by shaking. Please first verify your email before subscribing to alerts. Already Subscribed to this document. Make certain that between all weighings the unmixed liquid does not contact the container cap, which could 7.
For example, if the mass of ast, N added to the sation especially if the vial is cooledall of the blend components should blend is 3. Need more than one copy?
ASTM D – Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards
Place the cap on the vial and reweigh to the nearest 0. Mass weight percent composition that will form a solution when blended with liquids. Keywords determined at the same temperature. Last previous edition approved in as D — Vials of other capacity may be substituted, blended. If any of the impurities found are other concentrations. These caps are especially valuable for 2. It is the 5. Calculate these masses as follows: A superscript epsilon indicates an editorial change since the last revision or reapproval.
Originally approved in The vial and contents then are chilled component as follows: Standards Subsctiption may be the perfect solution.
An American National Standard Designation: Subscription v4307 is determined by: Referenced Documents preparing blends that contain volatile components. Reagents and Materials Current asym approved May 1, Fischer Reagent Titration Method 5. A number in parentheses indicates the year of last reapproval. Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
Summary of Practice 1. You can download and asgm this file to your own computer but DRM prevents opening this file on another computer, including a networked server.
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ASTM D4307 – 17
This standard is not included in any packages. As the voice of the U. Volume percent composition can be calcu- 1. Poly- is calculated from the recorded weights. The butane content of the blend is not to exceed 5. Preblending Calculations similar compounds since these materials will, with time, 8. 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.
We have no amendments or corrections for this standard. Liquids may be added by either pipet or N medicine dropper while solids are usually added with a small where: After weighing, the vial and contents are each compound by the same technique for which the blend is re-chilled before the vial is opened to permit addition of the intended or by another suitable technique.
Vapor reduces oxygen available for breathing. After both components have been closure is obtained.
ASTM D – 99 Rpdf全文-调研报告-在线文档
Check for other next component. Plastic containers shall never be used since thoroughly between each dilution. When blending light sensitive components, use 1.