ASTM C889-2011 核纯级的氧化钆(Gd2O3)粉末的化学和质谱分析标准试验方法

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【英文标准名称】:StandardTestMethodsforChemicalandMassSpectrometricAnalysisofNuclear-GradeGadoliniumOxide(Gd2O3)Powder
【原文标准名称】:核纯级的氧化钆(Gd2O3)粉末的化学和质谱分析标准试验方法
【标准号】:ASTMC889-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:氟化物含量;氧化钆
【英文主题词】:Fluoridecontent;Gadolinia
【摘要】:Gadoliniumoxidepowderisused,withsubsequentprocessing,innuclearfuelapplications,suchasanadditiontouraniumdioxide.ThesetestmethodsaredesignedtodeterminewhetherthematerialmeetstherequirementsdescribedinSpecificationC888.Thematerialisanalyzedtodeterminewhetheritcontainstheminimumgadoliniumoxidecontentspecified.Thelossonignitionandimpuritycontentaredeterminedtoensurethattheweightlossandthemaximumconcentrationlimitofspecifiedimpurityelementsarenotexceeded.1.1Thesetestmethodscoverproceduresforthechemicalandmassspectrometricanalysisofnuclear-gradegadoliniumoxidepowderstodeterminecompliancewithspecifications.1.2Theanalyticalproceduresappearinthefollowingorder:
Sections
CarbonbyDirectCombustionThermalConductivity

C1408TestMethodforCarbon(Total)inUraniumOxidePowdersandPelletsByDirectCombustion-InfraredDetectionMethod

TotalChlorineandFluorinebyPyrohydrolysisIonSelectiveElectrode

C1502TestMethodforDeterminationofTotalChlorineandFluorineinUraniumDioxideandGadoliniumOxide

LossofWeightonIgnition
7-13
SulfurbyCombustionIodometricTitration

ImpurityElementsbyaSpark-SourceMassSpectrographic

C761TestMethodsforChemical,MassSpectrometric,Spectrochemical,Nuclear,andRadiochemicalAnalysisofUraniumHexafluoride

C1287TestMethodforDeterminationofImpuritiesInUraniumDioxideByInductivelyCoupledPlasmaMassSpectrometry

GadoliniumContentinGadoliniumOxidebyImpurityCorrection
14-17

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