基本信息
| 标准名称： | 散装植物油质量计量技术规范 |
| 发布日期： | |
| 实施日期： | 2005-10-28 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
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前言
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引用标准
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所属分类： 综合 计量 声学计量 计量学和测量 物理现象 声学和声学测量 有关声学的其他标准
【英文标准名称】:StandardTestMethodsforNickelinWater
【原文标准名称】:水中镍含量的标准测试方法
【标准号】:ASTMD1886-2003
【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】:含量测定;镍;水;试验
【英文主题词】:atomicabsorption;chelation;graphitefurnace;nickel;water;
【摘要】:Elementalconstituentsinpotablewater,receivingwater,andwastewaterneedtobeidentifiedforsupportofeffectivepollutioncontrolprograms.TestMethodsA,B,andCprovidethetechniquesnecessarytomakesuchmeasurements.NickelisconsideredtoberelativelynontoxictomanandalimitfornickelisnotincludedintheEPANationalInterimPrimaryDrinkingWaterRegulations.7Thetoxicityofnickeltoaquaticlifeindicatestolerancesthatvarywidelyandthatareinfluencedbyspecies,pH,synergisticeffects,andotherfactors.Nickelisasilver-whitemetallicelementseldomoccur-ringinnatureintheelementalform.Nickelsaltsaresolubleandcanoccurasaleachatefromnickel-bearingores.Nickelsaltsareusedinmetal-platingandmaybedischargedtosurfaceorgroundwaters.1.1Thesetestmethodscovertheatomicabsorptiondeterminationofnickelinwaterandwastewaters.Threetestmethodsaregivenasfollows:ConcentrationRangeSectionsTestMethodA-AtomicAbsorption,Direct0.1to10mg/L7-16TestMethodB-AtomicAbsorption,Chelation-Extraction10to1000956;g/L17-26TestMethodC-AtomicAbsorption,GraphiteFurnace5to100956;g/L27-361.2TestMethodsA,B,andChavebeenusedsuccessfullywithreagentgradewaterandnaturalwaters.EvaluationofTestMethodCwasalsomadeincondensatefromamediumBtucoalgasificationprocess.Itistheuser'sresponsibilitytoensurethevalidityofthesetestmethodsforothermatrices.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeNote4,11.7.1,21.9,23.7,and23.10.Twoformercolorimetrictestmethodswerediscontinued.RefertoAppendixX1forhistoricalinformation.
【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】: