ANSI J-STD-004 Amendment 1-1997 各种焊剂要求
作者:标准资料网 时间:2024-05-04 05:54:57 浏览:8952
来源:标准资料网
【英文标准名称】:RequirementsforSolderingFluxes
【原文标准名称】:各种焊剂要求
【标准号】:ANSIJ-STD-004Amendment1-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_50
【页数】:
【正文语种】:英语
【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
【英文标准名称】:Physicaltestingofrubber.Guidetothedeterminationofdynamicpropertiesofrubbers
【原文标准名称】:橡胶物理试验.第A24部分:橡胶动态特性的测定导则
【标准号】:BS903Pt.A24-1976
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:
【页数】:
【正文语种】: