ASTM D1886-2008 水中镍含量的标准试验方法

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【英文标准名称】:StandardTestMethodsforNickelinWater
【原文标准名称】:水中镍含量的标准试验方法
【标准号】:ASTMD1886-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:atomicabsorption;chelation;graphitefurnace;nickel;water;Inorganiccompounds--water;Nickelcontent--water;Spectrophotometry--atomicabsorption(water/wastewater);Wastewatertesting/treatment
【摘要】:Elementalconstituentsinpotablewater,receivingwater,andwastewaterneedtobeidentifiedforsupportofeffectivepollutioncontrolprograms.TestMethodsA,B,andCprovidethetechniquesnecessarytomakesuchmeasurements.NickelisconsideredtoberelativelynontoxictomanandalimitfornickelisnotincludedintheEPANationalInterimPrimaryDrinkingWaterRegulations.Thetoxicityofnickeltoaquaticlifeindicatestolerancesthatvarywidelyandthatareinfluencedbyspecies,pH,synergisticeffects,andotherfactors.Nickelisasilver-whitemetallicelementseldomoccur-ringinnatureintheelementalform.Nickelsaltsaresolubleandcanoccurasaleachatefromnickel-bearingores.Nickelsaltsareusedinmetal-platingandmaybedischargedtosurfaceorgroundwaters.1.1Thesetestmethods,,covertheatomicabsorptiondeterminationofnickelinwaterandwastewaters.Threetestmethodsaregivenasfollows:

ConcentrationRange
Sections
TestMethodAx2014;AtomicAbsorption,Direct
0.1to10mg/L
7-16
TestMethodBx2014;AtomicAbsorption,Chelation-Extraction
10to1000x03BC;g/L
17-26
TestMethodCx2014;AtomicAbsorption,GraphiteFurnace
5to100x03BC;g/L
27-36