ASTM D3223-2002(2007)e1 水中总贡含量的标准试验方法
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【英文标准名称】:StandardTestMethodforTotalMercuryinWater
【原文标准名称】:水中总贡含量的标准试验方法
【标准号】:ASTMD3223-2002(2007)e1
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;含量测定;水
【英文主题词】:atomicabsorption;coldvaportechnique;mercury;totalmercury
【摘要】:Thepresenceofmercuryinindustrialdischarge,domesticdischarge,andpotablewaterisofconcerntothepublicbecauseofitstoxicity.Regulationsandstandardshavebeenestablishedthatrequirethemonitoringofmercuryinwater.Thistestmethodprovidesananalyticalproceduretomeasuretotalmercuryinwater.1.1Thistestmethodcoversthedeterminationoftotalmercuryinwaterintherangefrom0.5to10.0956;gHg/L(1).Thetestmethodisapplicabletofreshwaters,salinewaters,andsomeindustrialandsewageeffluents.Itistheuser''sresponsibilitytoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.1.1Theanalystshouldrecognizethattheprecisionandbiasofthisstandardmaybeaffectedbytheotherconstituentsinallwaters,astap,industrial,river,andwastewaters.Thecoldvaporatomicabsorptionmeasurementportionofthismethodisapplicabletotheanalysisofmaterialsotherthanwater(sediments,biologicalmaterials,tissues,etc.)if,andonlyif,aninitialprocedurefordigestingandoxidizingthesampleiscarriedout,ensuringthatthemercuryinthesampleisconvertedtothemercuricion,andisdissolvedinaqueousmedia(2,3).1.2Bothorganicandinorganicmercurycompoundsmaybeanalyzedbythisprocedureiftheyarefirstconvertedtomercuricions.Usingpotassiumpersulfateandpotassiumpermanganateasoxidants,andadigestiontemperatureof95176;C,approximately100%recoveryoforganomercurycompoundscanbeobtained(2,4).1.3Therangeofthetestmethodmaybechangedbyinstrumentorrecorderexpansionorboth,andbyusingalargervolumeofsample.1.4Amethodforthedisposalofmercury-containingwastesisalsopresented(AppendixX1)(5).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,see7.8and10.8.2.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:7P.;A4
【正文语种】:
【英文标准名称】:Leadandleadalloys-Analysisbyflameatomicabsorptionspectrometry(FAAS)orinductivelycoupledplasmaemissionspectrometry(ICP-ES),afterseparationbyco-precipitation;GermanversionENV14138:2001
【原文标准名称】:铅和铅合金.共沉淀分离后的火焰原子吸收光谱测定法或感应耦合等离子体发射光谱测定法分析
【标准号】:DINVENV14138-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铅合金;分析;光谱测定法;分析方法;含量测定;定义;火焰原子吸收光谱测定法;铅含量;原子吸收分光光度测定法;发射分光光度测定法;含量;化学分析和试验;铅
【英文主题词】:
【摘要】:ThisEuropeanPrestandardspecifiesmethodsusingflameatomicabsorptionspectrometry(FAAS)andinductivelycoupledplasmaemissionspectrometry(ICP-ES)forthedeterminationofelementsatlowcontentinleadfortherangesgivenintable1.Highercontentsthanthoselistedintable1shouldbedeterminedaccordingtoENV13800.Thesemethodsareintendedasthedefinitivemethodsincaseofdisputeforthedeterminationofelementsatlowcontentinlead.TheyarealsorecommendedfortheanalysisofCertifiedReferenceMaterials(CRM)andReferenceMaterials(RM)whichareusedinanalysisaccordingtoENV12908.
【中国标准分类号】:H62
【国际标准分类号】:77_120_60
【页数】:15P;A4
【正文语种】:德语
【英文标准名称】:Plastics-Determinationoftemperatureofdeflectionunderload-Part2:Plasticsandebonite
【原文标准名称】:塑料.载荷下挠曲温度的测定.第2部分:塑料和硬橡胶
【标准号】:ISO75-2-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-05-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;尺寸稳定性;热稳定性;抗弯应力;温度测量;弯曲试验;材料试验;硫化橡胶;温度;试验条件;硬橡胶;测定;试验
【英文主题词】:Bendtesting;Bendingstress;Determination;Dimensionalstability;Ebonite;Materialstesting;Plastics;Temperature;Temperaturemeasurement;Testing;Testingconditions;Thermalstability;Vulcanizedrubber
【摘要】:ThispartofISO75specifiesthreemethods,usingdifferentvaluesofconstantflexuralstress,thatcanbeusedforthedeterminationofthetemperatureofdeflectionunderloadofplastics(includingfilledplasticsandfibre-reinforcedplasticsinwhichthefibrelength,priortoprocessing,isupto7,5mm)andebonite:—methodA,usingaflexuralstressof1,80MPa;—methodB,usingaflexuralstressof0,45MPa;—methodC,usingaflexuralstressof8,00MPa.ThestandarddeflectionAsusedtodeterminethetemperatureofdeflectionunderloadcorrespondstoaflexural-strainincreaseAqdefinedinthispartofISO75.TheinitialflexuralstrainduetotheloadingofthespecimenatroomtemperatureisneitherspecifiednormeasuredinthispartofISO75.Theratioofthisflexural-straindifferencetotheinitialflexuralstraindependsonthemodulusofelasticity,atroomtemperature,ofthematerialundertest.Thismethodisthereforeonlysuitableforcomparingthetemperaturesofdeflectionofmaterialswithsimilarroom-temperatureelasticproperties.NOTEThemethodsgivebetterreproducibilitywithamorphousplasticsthanwithsemi-crystallineones.Withsomematerials,itmaybenecessarytoannealthetestspecimenstoobtainreliableresults.Annealingprocedures,ifused,generallyresultinanincreaseinthetemperatureofdeflectionunderload(see6.6).Foradditionalinformation,seeISO75-1:2004,clause1.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:18P.;A4
【正文语种】:英语