ASTM D1691-2002(2007)e1 水中锌含量的标准试验方法
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【英文标准名称】:StandardTestMethodsforZincinWater
【原文标准名称】:水中锌含量的标准试验方法
【标准号】:ASTMD1691-2002(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】:水;试验
【英文主题词】:atomicabsorption;chelation;flame;water;zinc
【摘要】:Zincisanessentialandbeneficialelementinbodygrowth.Concentrationsabove5mg/Lcancauseabitterastringenttasteandopalescenceinalkalinewaters.ThezincconcentrationofU.S.drinkingwatersvariesbetween0.06and7.0mg/Lwithameanof1.33mg/L.Zincmostcommonlyentersthedomesticwatersupplyfromdeteriorationofgalvanizedironanddezincificationofbrass.Zincinwateralsomayresultfromindustrialwaterpollution.31.1Thesetestmethodscoverthedeterminationofzincinwater.Twotestmethodsaregivenasfollows:TestMethodConcentrationRangeSectionsA-AtomicAbsorption,Direct0.05to2mg/LB-AtomicAbsorption,Chelation-Extraction20to200g/L
【原文标准名称】:水中锌含量的标准试验方法
【标准号】:ASTMD1691-2002(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】:水;试验
【英文主题词】:atomicabsorption;chelation;flame;water;zinc
【摘要】:Zincisanessentialandbeneficialelementinbodygrowth.Concentrationsabove5mg/Lcancauseabitterastringenttasteandopalescenceinalkalinewaters.ThezincconcentrationofU.S.drinkingwatersvariesbetween0.06and7.0mg/Lwithameanof1.33mg/L.Zincmostcommonlyentersthedomesticwatersupplyfromdeteriorationofgalvanizedironanddezincificationofbrass.Zincinwateralsomayresultfromindustrialwaterpollution.31.1Thesetestmethodscoverthedeterminationofzincinwater.Twotestmethodsaregivenasfollows:TestMethodConcentrationRangeSectionsA-AtomicAbsorption,Direct0.05to2mg/LB-AtomicAbsorption,Chelation-Extraction20to200g/L
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