ASTM D7482-2008 汞分析中烃采样、储存、分析和处理的标准方法
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【英文标准名称】:StandardPracticeforSampling,Storage,andHandlingofHydrocarbonsforMercuryAnalysis
【原文标准名称】:汞分析中烃采样、储存、分析和处理的标准方法
【标准号】:ASTMD7482-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:handling;mercury;mercuryanalysis;sampling;storage
【摘要】:Thispracticeisintendedforuseinsamplingliquidhydrocarbonsincludingcrudeoils,condensates,refineryprocessintermediates,andrefinedproducts.Generallythesesamplesareexpectedtocontainmercuryfromthepartsperbillion(10-9mass)topartspermillion(10-6mass)range.Thispracticeisnotintendedforusewhensamplingaqueoussystemswheretheconcentrationsofmercuryareofteninthepartspertrillion(10-12mass)range.ThesesamplesareoftenbetteraddressedbyusingtherigorouslycleantechniquesfromtheEPAMethod1669x201C;cleanhands,dirtyhandsx201D;samplingprocedures.Thispracticeisnotintendedforuseforliquefiedsamples,forwhichspecialcontainersmayberequiredforpressurizedsamples.Thepresenceofmercuryduringcrudeoilproduction,transport,andrefiningcanbeanenvironmentalandindustrialhygieneconcern.1.1Thispracticecoversthetypesofandpreparationofcontainersfoundmostsuitableforthehandlingofhydrocarbonsamplesforthedeterminationoftotalmercury.1.2ThispracticewasdevelopedforsamplingstreamswherethemercuryspeciationispredominantlyHg(0)presentasamixtureofdissolvedHg(0)atoms,adsorbedHg(0)onparticulates(forexample,carbonaceousormineralfinesandFe2O3)andsuspendeddropletsofmetallicmercury.1.3Thepresenceofsuspendeddropletsofmetallicmercury(oftencalledx201C;colloidalx201D;mercury,sincethedropletsizecanbeverysmall)canmakeobtainingarepresentativesampleverydifficultforavarietyofreasons(forexample,non-isokineticsamplingoftheliquidcanresultinover-orunder-collectionofsuspendeddropletsandcollectionofmercurythathasaccumulatedindenselargerdropsandpoolsonthebottomofpipingandinsampletaps).Paystrictattentiontothedetailedprocedure(Section7)toensurerepresentativesamplesarecollected.1.4Whenrepresentativetestportionsarecollectedandanalyzedinaccordancewithacceptableprocedures,thetotalmercuryisrepresentativeofconcentrationsinthesample.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Warning8212;MercuryhasbeendesignatedbyEPAandmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidney,andliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsite(http://www.epa.gov/mercury/faq.htm)foradditionalinformation.Usersshouldbeawarethatsellingmercuryormercury-containingproducts,orboth,inyourstatemaybeprohibitedbystatelaw.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语
【原文标准名称】:汞分析中烃采样、储存、分析和处理的标准方法
【标准号】:ASTMD7482-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:handling;mercury;mercuryanalysis;sampling;storage
【摘要】:Thispracticeisintendedforuseinsamplingliquidhydrocarbonsincludingcrudeoils,condensates,refineryprocessintermediates,andrefinedproducts.Generallythesesamplesareexpectedtocontainmercuryfromthepartsperbillion(10-9mass)topartspermillion(10-6mass)range.Thispracticeisnotintendedforusewhensamplingaqueoussystemswheretheconcentrationsofmercuryareofteninthepartspertrillion(10-12mass)range.ThesesamplesareoftenbetteraddressedbyusingtherigorouslycleantechniquesfromtheEPAMethod1669x201C;cleanhands,dirtyhandsx201D;samplingprocedures.Thispracticeisnotintendedforuseforliquefiedsamples,forwhichspecialcontainersmayberequiredforpressurizedsamples.Thepresenceofmercuryduringcrudeoilproduction,transport,andrefiningcanbeanenvironmentalandindustrialhygieneconcern.1.1Thispracticecoversthetypesofandpreparationofcontainersfoundmostsuitableforthehandlingofhydrocarbonsamplesforthedeterminationoftotalmercury.1.2ThispracticewasdevelopedforsamplingstreamswherethemercuryspeciationispredominantlyHg(0)presentasamixtureofdissolvedHg(0)atoms,adsorbedHg(0)onparticulates(forexample,carbonaceousormineralfinesandFe2O3)andsuspendeddropletsofmetallicmercury.1.3Thepresenceofsuspendeddropletsofmetallicmercury(oftencalledx201C;colloidalx201D;mercury,sincethedropletsizecanbeverysmall)canmakeobtainingarepresentativesampleverydifficultforavarietyofreasons(forexample,non-isokineticsamplingoftheliquidcanresultinover-orunder-collectionofsuspendeddropletsandcollectionofmercurythathasaccumulatedindenselargerdropsandpoolsonthebottomofpipingandinsampletaps).Paystrictattentiontothedetailedprocedure(Section7)toensurerepresentativesamplesarecollected.1.4Whenrepresentativetestportionsarecollectedandanalyzedinaccordancewithacceptableprocedures,thetotalmercuryisrepresentativeofconcentrationsinthesample.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Warning8212;MercuryhasbeendesignatedbyEPAandmanystateagenciesasahazardousmaterialthatcancausecentralnervoussystem,kidney,andliverdamage.Mercury,oritsvapor,maybehazardoustohealthandcorrosivetomaterials.Cautionshouldbetakenwhenhandlingmercuryandmercury-containingproducts.SeetheapplicableproductMaterialSafetyDataSheet(MSDS)fordetailsandEPAx2019;swebsite(http://www.epa.gov/mercury/faq.htm)foradditionalinformation.Usersshouldbeawarethatsellingmercuryormercury-containingproducts,orboth,inyourstatemaybeprohibitedbystatelaw.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:71_040_40
【页数】:4P.;A4
【正文语种】:英语
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