【英文标准名称】:StandardTestMethodforDeterminationofChloride,Nitrate,andSulfateinAtmosphericWetDepositionbyChemicallySuppressedIonChromatography
【原文标准名称】:用化学抑制离子色谱法测定大气湿沉积物中氯化物、硝酸盐、硫酸盐含量的标准试验方法
【标准号】:ASTMD5085-2002
【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(ASTM)
【起草单位】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:沉积物;硫酸盐合量;氯化物含量;硝酸盐含量;试验方法
【英文主题词】:atmosphericwetdepositionsamples;chloride;ionchromatography;nitrate;sulfate;
【摘要】:Thistestmethodisusefulforthedeterminationoftheanions:chloride,nitrate,andsulfateinatmosphericwetdeposition.Fig.X1.1intheappendixrepresentscumulativefrequencypercentileconcentrationplotsofchloride,nitrate,andsulfateobtainedfromanalysesofover5000wetdepositionsamples.Thesedatamaybeusedasanaidintheselectionofappropriatecalibrationsolutions.(3)1.1Thistestmethodisapplicabletothedeterminationofchloride,nitrate,andsulfateinatmosphericwetdeposition(rain,snow,sleet,andhail)bychemicallysuppressedionchromatography(1).ForadditionalapplicationsrefertoTestMethodD4327.1.2Theconcentrationrangesforthistestmethodarelistedbelow.Therangetestedwasconfirmedusingtheinterlaboratorycollaborativetest(seeTable1forstatisticalsummaryofthecollaborativetest).MDL(mg/L)(2)RangeofMethod(mg/L)RangeTested(mg/L)Chloride0.030.09-2.00.15-1.36Nitrate0.030.09-5.00.15-4.92Sulfate0.030.09-8.00.15-6.521.3Themethoddetectionlimit(MDL)isbasedonsingleoperatorprecision(2)andmaybehigherorlowerforotheroperatorsandlaboratories.Theprecisionandbiasdatapresentedareinsufficienttojustifyuseatthislowlevel,however,manyworkershavefoundthatthistestmethodisreliableatlowerlevelsthanthosethatweretested.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.
【中国标准分类号】:Z15
【国际标准分类号】:07_060;71_040_40
【页数】:9P.;A4
【正文语种】: