ASTM_B_717_-_96_2012.pdf

Designation:B71796(Reapproved 2012)Standard Specification forRefined Ruthenium1This standard is issued under the fixed designation B717;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers refined ruthenium as spongeand powder in one grade as follows:1.1.1 Grade 99.80Ruthenium having a purity of 99.80%.1.1.2 Grade 99.90Ruthenium having a purity of 99.90%.NOTE1For the purposes of determining conformance with thisspecification,an observed value obtained from analysis shall be roundedto the nearest unit in the last right-hand place of figures used in expressingthe limiting value in accordance with the rounding method of PracticeE29.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to become familiarwith all hazards including those identified in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the manufacturer,to establish appropriatesafety and health practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications3.Manufacture3.1 The material may be produced by any refining processthat yields a product capable of meeting the chemical require-ments of this specification.The purchaser,upon request,shallbe informed of the refining process used.4.Chemical Composition4.1 The material should conform to the requirements forchemical composition as prescribed in Table 1.4.2 Analysis shall be made using the manufacturers stan-dard methods.In the event of disagreement as to the chemicalcomposition of the metal,methods of chemical analysis forreference purposes shall be determined by a mutually accept-able laboratory.5.Sampling5.1 The value of this material is such that special attentionmust be paid to the sampling procedures.The purchaser andmanufacturer shall agree upon the sampling procedures used.5.2 Lot SizeSampling lots shall consist of the following:5.2.1 SpongeA single refining lot.5.2.2 PowderA single refining lot.6.Rejection and Rehearing6.1 Material that fails to conform to the requirements of thisspecification may be rejected.Rejection should be reported tothe manufacturer or supplier promptly and in writing.In caseof dissatisfaction with the results of the test,the producer orsupplier may make claim for rehearing.6.2 Investigation of ClaimsIn a question of chemicalcomposition,a new sample shall be drawn by representativesof both parties in accordance with Section 5.The properlymixed and quartered sample shall be divided into three parts,each of which shall be placed in a sealed package,one for themanufacturer,one for the purchaser,and one for an umpire,ifnecessary.6.3 In the event of disagreement between the manufacturerand the purchaser on the conformance of the metal to therequirements of this specification by the purchaser,the umpiresample is to be submitted to a mutually acceptable laboratoryfor analysis.The results of the referees analysis shall be usedin determining conformance of the metal to this specification.7.Product Marking7.1 The material shall be legibly identified by mark,label,or tag with the following information:Ruthenium(Ru)Grade_,lot or melt number,and weight to the nearest 0.001 troy oz(0.03g).1This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.05 on Precious Metals and Electrical Contact Materials.Current edition approved May 1,2012.Published May 2012.Originallyapproved in 1983.Last previous edition approved in 2006 as B717 96(2006).DOI:10.1520/B0717-96R12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 8.Keywords8.1 refined ruthenium;ruthenium;spongeASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entirely their own responsibility.This standard is subject to revision at any time