NF G62-308-2000 鞋类.外鞋底的试验方法.拉伸强度和伸长率

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【英文标准名称】:StandardPracticeforPreparationofSoilSamplesbyHotplateDigestionforSubsequentLeadAnalysis
【原文标准名称】:用热板溶解法连续分析铅含量用土壤样品制备的标准实施规程
【标准号】:ASTME1726-2001(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E06.23
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:digestion;lead;samplepreparation;soils;Aciddigestion;Atomicabsorptionspectrometry(AAS);Digestion;Dryingconditions/processing;FAAS(flameatomicabsorptionspectrometry);Graphitefurnaceatomicabsorptionspectrometry(GFAAS);Homogenizatio
【摘要】:Thereisaneedtomonitortheleadcontentinandaroundbuildingsandrelatedstructuresinordertodeterminethepotentialleadhazard.Hence,effectiveandefficientmethodsarerequiredforthepreparationofsoilsamplesfordeterminationoftheirleadcontent.Thispracticemaybeusedforthedigestionofsoilsamplesthatarecollectedduringvariousconstructionandrenovationactivitiesassociatedwithleadabatementinandaroundbuildingsandrelatedstructures.Thepracticeisalsosuitableforthedigestionofsoilsamplesforleadanalysescollectedfromotherlocations,suchasnearroadsandsteelstructures.Thispracticeisintendedtobeusedtopreparesamplesthathavebeencollectedforhazardassessmentpurposes.Thispracticeisnotcapableofdeterminingleadboundwithinmatrices,suchassilica,thatarenotsolubleinnitricacid.Thispracticeincludesdryingandhomogenizationstepsinordertohelpassurethatreportedleadresultsarerepresentativeofthesampleandareindependentofpotentialdifferencesinsoilmoisturelevelsamongdifferentsamplinglocationsorchangingweatherconditions.1.1Thispracticecoversdrying,homogenization,andaciddigestionofsoilsamplesandassociatedqualitycontrol(QC)samplesusingahotplatetypemethodforthedeterminationofleadusinglaboratoryatomicspectrometryanalysistechniquessuchasInductivelyCoupledPlasmaAtomicEmissionSpectrometry(ICP-AES),FlameAtomicAbsorptionSpectrometry(FAAS),andGraphiteFurnaceAtomicAbsorptionSpectrometry(GFAAS).1.2ThispracticeisbasedonU.S.EPASW846,TestMethod3050.1.3Thispracticecontainsnotesthatareexplanatoryandarenotpartofthemandatoryrequirementsofthisstandard.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z18
【国际标准分类号】:71_040_50
【页数】:5P.;A4
【正文语种】:英语

标准名称：	阀门铸钢件外观质量要求
中标分类：	机械 >> 通用零部件 >> 阀门
替代情况：	调整为JB/T 7927-1999
发布日期：
实施日期：	1990-09-01
首发日期：
作废日期：
出版日期：
页数：	40页

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