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

Caution should be taken when handling mercury and mercury containing products. Up to 20 4 1 2 1 20 to 40 8 2 4 2 40 to 60 12 3 6 3 aztm to 80 16 4 8 4 80 to 20 5 10 5 responsibility of the reporting laboratory. Then titrate the solution with 0.

Remember me on this computer. Warning—Mercury is a de? Link to Active This link will always route to the current Active version of the standard.

ASTM B154 – 16

Originally published as B 19 — 19 T. Click here to sign up.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. All tests and the inspection shall be conducted so as not to interfere 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 in analyze the finished product.


Hardness digit used in expressing the limiting value Electrical resistivity 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.

The mercurous nitrate crystals are photosensitive and when they have turned yellow are difficult to dissolve.

In the event that a test specimen size is not prescribed in a given rod, wire, or tube speci? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Conform- Over 3 to 12 If the sample is rejected due to Mechanical Property Requirements Standard Former min max 5. Chemical Composition Table 4. This gradual dilution, together with the excess acid, will prevent precipitation of basic salts of mercury.


This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. After solution is complete, use a small volume of retained dilution water to rinse the watch glass into the container.

If the weight of each Link to Active This link will always route to the current Active version of the standard. Test Report Electrical conductivity Repeat this atm with 50 mL of a standard 1 weight per volume percent of HgNO3 solution. Required properties for aatm tempers 5.


ASTM B铜和铜合金的硝酸亚汞试验法_百度文库

Inspection Grain Size, mm 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 to mercury use and environmentally appropriate disposal. Mercurous Nitrate Test 8.

NOTE 1—For any particular copper alloy, reference should be made to the material speci? 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.

Immediately examine it visually for cracks unless a time limitation is provided in the product speci? Temper Nominal Min Max Log In Sign Up. If necessary, totally immerse the specimen in an aqueous solution of 15 volume percent sulfuric acid H2SO4 or 40 volume percent nitric acid until all oxides are completely removed from its surface or pickle in such solutions as may be prescribed b514 the speci?