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【英文标准名称】:StandardTestMethodfortheDeterminationofTotalHydrogenContentofUraniumOxidePowdersandPelletsbyCarrierGasExtraction
【原文标准名称】:用载气萃取法测定二氧化铀粉末和颗粒中氢的总含量的试验方法
【标准号】:ASTMC1457-2000(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gadoliniumoxide;gadoliniumoxide-uraniumoxide;hydrogencontent;impuritycontent;uraniumoxide;Carriergases;Hydrogencontent--nuclearmaterials;Totalhydrogenapplications;Uraniumoxide(U3O8)
【摘要】:Uraniumdioxideisusedasanuclear-reactorfuel.Gadoliniumoxideisusedasanadditivetouraniumdioxide.Inordertobesuitableforthispurpose,thesematerialsmustmeetcertaincriteriaforimpuritycontent.ThistestmethodisdesignedtodeterminewhetherthehydrogencontentmeetsSpecificationsC753,C776,C888,andC922.1.1Thistestmethodappliestothedeterminationofhydrogeninnuclear-gradeuraniumoxidepowdersandpelletstodeterminecompliancewithspecifications.Gadoliniumoxide(Gd2O3)andgadoliniumoxide-uraniumoxidepowdersandpelletsmayalsobeanalyzedusingthistestmethod.1.2Thisstandarddescribesaprocedureformeasuringthetotalhydrogencontentofuraniumoxides.Thetotalhydrogencontentresultsfromabsorbedwater,waterofcrystallization,hydro-carbidesandotherhydrogenatedcompoundswhichmayexistasfuel''simpurities.1.3Thistestmethodcoversthedeterminationof0.05to200x03BC;gofresidualhydrogen.1.4Thistestmethoddescribesanelectrodefurnacecarriergascombustionsystemequippedwithathermalconductivitydetector.1.5Thepreferredsystemofunitsismicrogramshydrogenpergramofsample(x03BC;g/gsample)ormicrogramshydrogenpergramofuranium(x03BC;g/gU).1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F46
【国际标准分类号】:27_120_30
【页数】:4P.;A4
【正文语种】:英语