ASTM D2972-2003 水中砷的标准试验方法

作者:标准资料网 时间:2024-05-14 10:04:08  浏览:9012   来源:标准资料网

【英文标准名称】:StandardTestMethodsforArsenicinWater
【原文标准名称】:水中砷的标准试验方法
【标准号】:ASTMD2972-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D19.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水;砷;含量测定;试验
【英文主题词】:arsenic;atomicabsorption;colorimetric(TestMethodA);graphitefurnace(TestMethodC);hydride(TestMethodB);water;
【摘要】:Herbicides,insecticides,andmanyindustrialeffluentscontainarsenicandarepotentialsourcesofwaterpollution.Arsenicissignificantbecauseofitsadversephysiologicaleffectsonhumans.1.1Thesetestmethodscoverthephotometricandatomicabsorptiondeterminationofarsenicinmostwatersandwastewaters.Threetestmethodsaregivenasfollows:ConcentrationRangeSectionsTestMethodA-SilverDiethyldithio-carbamateColorimetric5to250956;g/L7to15TestMethodB-AtomicAbsorption,HydrideGeneration1to20956;g/L16to24TestMethodC-AtomicAbsorption,GraphiteFurnace5to100956;g/L25to331.2Theanalystshoulddirectattentiontotheprecisionandbiasstatementsforeachtestmethod.Itistheuser'sresponsibilitytoensurethevalidityofthesetestmethodsforwatersofuntestedmatrices.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeNote1and6.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:11P.;A4
【正文语种】: