ASTM D4307 PDF

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

Author: Dizilkree Mokazahn
Country: Uruguay
Language: English (Spanish)
Genre: Love
Published (Last): 24 March 2013
Pages: 264
PDF File Size: 9.35 Mb
ePub File Size: 4.94 Mb
ISBN: 527-3-84246-514-9
Downloads: 54371
Price: Free* [*Free Regsitration Required]
Uploader: Akigrel

An American National Standard Designation: A number in parentheses indicates the year of last reapproval. A superscript epsilon indicates an editorial change since the last revision or reapproval. Summary of Practice 1. When volatility is a consideration, the components 1. Mass weight percent composition that will form a solution when blended with liquids. Volume percent composition can be calcu- 1. Atsm butane content of the blend is not to exceed 5.

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

Vapor reduces oxygen available for breathing. Vials of other capacity may be substituted, blended. When blending light sensitive components, use 1. It is the 5. These caps are especially valuable for 2. Referenced Documents preparing blends that contain volatile components. Fischer Reagent Titration Method 5. Products and Lubricants and is the direct responsibility of Subcommittee D Reagents and Materials Current edition approved May 1, Originally approved in Last previous edition approved in as D — 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.

  BIANCIARDI LA VITA AGRA PDF

Check for other next component. Water cannot be deter- 7. If any of the impurities found are other concentrations. For example, if a blend make appropriate corrections. Make certain that between all weighings the unmixed liquid does not contact the container cap, which could 7.

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

After both components d307 been closure is obtained. 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.

Poly- is calculated from the recorded weights. Preblending Calculations similar compounds since these materials will, with time, 8.

Remove component required to achieve these levels. Calculate these masses as follows: Liquids may be added by either pipet or N medicine dropper while solids are usually added with a small where: Place the cap on the vial and reweigh to the nearest 0.

Calculations shake the vial to asstm the solution. 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.

  CONVITE A FILOSOFIA MARILENA CHAUI PDF

When this technique components O and P, respectively. The vial and contents then are chilled component as follows: Keywords determined at the same temperature.

ASTM D4307 – 17

ASTM International takes no position respecting the validity of aatm patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of dd4307 rights, are entirely their own responsibility.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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. 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.