NF M87-243-2-2003 石油和天然气工业.玻璃纤维增强塑料管系.第2部分:合格鉴定和制造

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【英文标准名称】:StandardPracticeforLeakDetectionandLocationUsingSurface-MountedAcousticEmissionSensors
【原文标准名称】:用表面安装的声辐射探测器作泄漏探测和定位
【标准号】:ASTME1211-1997
【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】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;探测;声学试验;工艺;声学设备;无损检验;泄漏;试验
【英文主题词】:non-destructivetesting;testing;processes;metals;leaks;acousticequipment;acoustictesting;detection
【摘要】:
【中国标准分类号】:N65
【国际标准分类号】:17_140_01
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofHydrogenPeroxideandCombinedOrganicPeroxidesinAtmosphericWaterSamplesbyPeroxidaseEnzymeFluorescenceMethod
【原文标准名称】:用过氧化物酶荧光法测定大气水样中过氧化氢和合成有机过氧化物的标准试验方法
【标准号】:ASTMD6363-1998(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmosphericwater;derivatization;hydrogenperoxide;hydroperoxide;peroxide;sampling;Atmosphericwateranalysis;Fluorescence--atmosphericanalysis;Horseradishperoxidasederivatization;Hydrogenperoxide(H2O2);Organicperoxi
【摘要】:Hydrogenperoxide(formedphotochemicallyintheatmosphere)isaprimaryoxidizerofdissolvedsulfurdioxideinatmosphericwater.DetectionofH2O2inatmosphericwaterisusefulforinferringgas-phaseH2O2concentrationsandforassessingtherelativeimportanceofvariousacidifyingmechanismsunderspecificatmosphericconditions.Hydroperoxidesinsamplestobeanalyzedareunstableinwaterandcandecayrapidlyduetobacterialactionorchemicalreactionwithotherconstituents.Thetestmethodincludesproceduresforsamplederivatizationandmethodsforestimatingandcorrectingforhydroperoxidedecay.1.1Thistestmethodcoversthedeterminationofhydroperoxides,whichincludehydrogenperoxide(H2O2)andcombinedorganicperoxides,insamplesofatmosphericwaterbythemethodofhorseradishperoxidasederivatizationandfluorescenceanalysisofthederiveddimer.,1.2Therangeofapplicablehydrogenperoxideconcentrationswasdeterminedtobe0.6-176.0x00D7;10x2212;6Mfromindependentlaboratorytestsofthetestmethod.1.3Theprimaryuseofthetestmethodisforhydrogenperoxide,butitmayalsobeusedtoquantitateorganichydroperoxides.Determinationsoforganichydroperoxideconcentrationlevelsupto30x00D7;10x2212;6Mmaybeadequatelyobtainedbycalibrationwithhydrogenperoxide.,Whileorganichydroperoxideshavenotbeendetectedatsignificantconcentrationlevelsinrainorcloudwater,theirpresencemaybetestedbyoperationofthetestmethodwiththeadditionofcatalasefordestructionofH2O2.1.4Becauseoftheinstabilityofhydroperoxidesinatmosphericwatersamples,propersamplecollection,at-collectionderivatization,andstringentqualitycontrolareessentialaspectsoftheanalyticalprocess.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:6P.;A4
【正文语种】:英语