ASTM B154 PDF

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This standard is issued under the fixed designation B ; the 1 This test method is under the jurisdiction of ASTM Committee B05 on Copper. Designation: B – 95AMERICAN SOCIETY FOR TESTING AND West Conshohocken, PA Reprinted from the Annual Book of ASTM Standards. ASTM B pdf – Download as PDF File .pdf), Text File .txt) or read online .

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The method of marking shall be at the manufac- It is the responsibility of the user of this standard to establish appropriate safety and health practices and determines the applicability of regulatory limitations prior to use.

Wipe off any excess mercury from the surface of the specimen. Repeat this procedure with 50 mL of a standard 1 weight per volume percent of HgNO3 solution. Used solutions may be replenished as described in 6.

This standard has been approved for use by agencies of the Department of Defense. Warning—Mercury is a de? In case specimen length, the necessary pieces of original material shall of dissatisfaction with the results of the tests, the producer or be prepared and annealed with the disks that these samples are supplier may make claim for a rehearing with this time period. They shall be free of oil and grease, acid, dirt, grit of any kind, and shall be clean and bright.

After solution is complete, use a small volume of retained dilution water to rinse the watch glass into the container. Enter the email address you signed up with and we’ll email you a reset link. NOTE 2—If heating is used in either of the previous procedures, the container should be covered with a watch glass to prevent loss of HNO3 and water to the atmosphere. Summary of Test Method 4. The values given in parentheses are for information only.

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G154 previous edition B — Current edition approved Oct. Last previous edition B 19 — No other units of measurement are included in this standard. Individual reprints single or multiple copies of this standard aztm be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Warning— Mercury has been designated by EPA and many state agencies as a hazardous material that can cause central nervous system, kidney and liver damage.

ASTM B – 16 – Standard Test Method for Mercurous Nitrate Test for Copper Alloys

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. For any particular copper alloy, reference should be made to the material specification. After the crystals are completely dissolved, dilute the solution with 4 Reagent Chemicals, American Chemical Society Speci?

Help Center Find new research papers in: Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Specimen Preparation The minimum weight of the composite sample that is to be Active view current version of standard.

Add the water in small portions while stirring to prevent local overdilution. Lead E AA This gradual dilution, together with the excess acid, will prevent precipitation of basic salts of mercury. A number in parentheses indicates the year of last reapproval.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Skip to main content. Inspection Grain Size, mm The mercurous nitrate crystals are photosensitive and when they have turned yellow are difficult to dissolve. Warning—The mercurous nitrate crystals are obtainable in both the monohydrate and dihydrate form and should be handled with caution because of their highly toxic effects. Grain Size Requirements castings into wrought products, it is not always practical to identify a specific casting analysis with a specific quantity of finished material.

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ASTM B铜和铜合金的硝酸亚汞试验法_百度文库

If the manufacturer determines the chemical composition of the material during the TABLE 8 Permissible Variation in Thickness of Disks Blanks course of manufacture, he shall not be required to sample and Permissible Variations g154 analyze the finished product. The values given in parentheses are for information only. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Caution should be taken when handling mercury and mercury containing products. A superscript epsilon e indicates an editorial change since the last revision or reapproval. The number of samples taken for Thickness, in. Immediately examine it visually for cracks unless a time limitation is provided in the product speci? This test method is intended to cover the mercurous nitrate test of certain copper-alloy products supplied in accordance with ASTM speci?

Chemical Composition Table 4. Iron E Zinc E Titrimetric Note 3 — This test method is considered historically reliable for determining the potential state of residual stress in copper alloys, but not promoted for use due to the hazards relating g154 mercury use and environmentally appropriate disposal.

This test method is qstm historically reliable for determining the potential state of residual stress in copper alloys, but not promoted for use due to the hazards relating to mercury use and environmentally appropriate disposal. Significance of Numerical Limits specification, or, alternatively, upon agreement of both parties, All tests and the inspection shall be conducted so as not to interfere Click here to sign up.

ASTM B154 – 16

In the event that a test specimen size is not prescribed in a given rod, wire, or tube speci? Specimens shall be 0.

Then titrate the solution with 0.