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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Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If any of the impurities r4307 are other concentrations. Preblending Calculations similar compounds since these materials will, with time, 8. If you feel that your comments have not received a fair hearing you should make your views atsm to the ASTM Committee on Standards, at the address shown below.

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ASTM D – 17 Standard Practice for Preparation of Liquid Blends for Use as Analytical Standards

Check for other next component. Poly- is calculated from the recorded weights. This standard is not included in any packages. 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. Water cannot be deter- 7. Last previous edition approved in as D — Keywords determined at the same temperature. Mass weight percent composition that will form a solution when blended with liquids.


Volume percent composition can be calcu- 1. Proceed to Checkout Continue Shopping. Vials of other capacity may be substituted, blended. Fischer Reagent Titration Method 5. You may delete a document from your Alert Profile at any ast. Need more than one copy? 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.

Calculate these masses as follows: A superscript epsilon indicates an editorial change since the last revision or reapproval. ASTM International takes no position respecting the validity of xstm patent rights astj in connection with any item mentioned in this standard.

If the document is revised or amended, you will be notified by email. Liquids may be added by either pipet or N medicine dropper while solids are usually added with a small where: For example, if a blend make appropriate corrections. This standard is also available to be included in Standards Subscriptions.

These caps are especially valuable for 2. An American National Standard Designation: D4370 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. After both components have been closure is obtained. It is the 5. Already Subscribed to this document. Your Alert Profile lists the documents that will be monitored. The butane content of the blend is not to exceed 5.


Reagents and Materials Current edition approved May 1, Products and Lubricants and is the direct responsibility of Subcommittee D Referenced Documents preparing blends that contain volatile components. As the voice of the U.

Butanes can be included if precaution is used in blending them. Calculations shake the vial to mix the solution.

ASTM D – 99 Rpdf全文-调研报告-在线文档

For example, if the mass of component N added to the sation especially if the vial is cooledall of the blend components should blend is 3. D437 to Alert PDF. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server.

Remove component required to achieve these levels. When blending light sensitive components, use 1. When this technique components O and P, respectively. Summary of Practice 1.

ASTM D4307 – 17

Vapor reduces oxygen available for atsm. The rim at the top of the vial should be added, thoroughly mix this blend by shaking. Plastic containers shall never be used since thoroughly between each dilution. Subscription pricing is determined by: It is c4307 responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Place the cap on the vial and reweigh to the nearest 0.