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【英文标准名称】:StandardTestMethodforMeasuringAnionicContaminantsinHigh-PurityWaterbyOn-LineIonChromatography
【原文标准名称】:用联机离子色谱法测量高纯度水中阴离子杂质的标准试验方法
【标准号】:ASTMD5996-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;色谱法;水质;化学分析和试验;杂质
【英文主题词】:anions;highpurity;ionchromatography;on-line
【摘要】:1.1Thistestmethodcoverson-lineanalysisofhigh-puritywaterbytheionchromatographytechnique.Thistestmethodisapplicableformeasuringvariousanioniccontaminantsinhigh-puritywater,typicallyintherangeof0.01to100g/L.Thistestmethodisusedtodeterminetheconcentrationofacetate,formate,chloride,fluoride,phosphate,nitrate,andsulfateinacontinuouslyflowingsample.Therangeofthetestmethodisonlyasgoodasthereagentwateravailableforpreparingstandards.Atextremelylowconcentrations,1.0g/L,preparingstandardsisdifficult,andextracaremustbetakenintheirpreparation.Thesamplemayhavetobeconditionedfromhigherpressuresandtemperaturestoconditionsthataresuitableforusebyon-lineinstruments.1.2Onlinesampleanalysisofflowingstreamsdoesnotlenditselftocollaborativestudiesduetothenatureofthesampleandthepossibilityofcontaminationthatmayresultfromhandlingthesampleaspartofthecollaborativestudy.Thereforethisstandardtestmethodisnotbasedontheresultsofacollaborativestudybutisintendedtoprovidethebestpossibleguidancefordoingthistypeofanalysis.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:71_040_50
【页数】:6P.;A4
【正文语种】: