BS EN ISO 15587-2-2002 水质.确定水中所选元素的腐化作用.硝酸腐化

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【英文标准名称】:Waterquality.Digestionforthedeterminationofselectedelementsinwater.Nitricaciddigestion
【原文标准名称】:水质.确定水中所选元素的腐化作用.硝酸腐化
【标准号】:BSENISO15587-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-03-28
【实施或试行日期】:2002-03-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;化学分析和试验;水化学;含量;定义;含量测定;发酵作用;分解方法;分解;分解法;盐酸;硝酸;氧化法;试验;痕量元素;水;水常规;水质;水质试验
【英文主题词】:Analysis;Chemicalanalysisandtesting;Chemistryofwater;Content;Definitions;Determinationofcontent;Digestion;Digestionmethod;Disintegration;Disintegrationmethod;Hydrochloricacid;Nitricacid;Oxidationmethods;Testing;Traceelements;Water;Waterpractice;Waterquality;Watertesting
【摘要】:ThispartofISO15587specifiesamethodforextractingtraceelementsfromawatersampleusingnitricacidasadigestionagent.Themethodisapplicabletoalltypesofwaterswithasuspendedsolidsconcentrationoflessthan20g/landatotalorganiccarbon(TOC)concentrationexpressedascarbonoflessthan5g/l.Thenitricaciddigestionmethodisempiricalanditmightnotnecessarilyreleaseelementscompletely.However,formostenvironmentalapplicationstheresultisfitforpurpose.Nitricaciddigestionissuitableforthereleaseof:Al*,As,B,Ba*,Be*,Ca,Cd,Co,Cr*,Cu,Fe*,Hg,K,Mg*,Mn,Mo,Na,Ni,P,Pb,Se,Sr,Tl,V*,Zn(asteriskindicatesapossiblelowerrecoverycomparedtotheaquaregiadigestionmethodspecifiedinISO15587-1).ItissuitableforthereleaseofAgonlyifthesampleisstabilizedimmediatelyafterdigestion.NitricaciddigestionisnotsuitableforSb,SnandforthedigestionofrefractorycompoundssuchasSiO2,TiO2andAl2O3.Themethodisgenericandmaybeimplementedusingawidevarietyofequipmentprovidedthedigestioncompositionisunchanged,thedigestiontemperatureisknown,andthedigestiondurationisinaccordancewiththistemperature.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:28P.;A4
【正文语种】:英语