【英文标准名称】:Waterquality-Physical,chemicalandbiochemicalmethods-Determinationofaluminium-Spectrometricmethodusingpyrocatecholviolet
【原文标准名称】:水质.第2部分:物理、化学和生物化学法.第49节:铝含量测定:邻苯二酚紫光谱测定法
【标准号】:BS6068-2.49-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-07-15
【实施或试行日期】:1995-07-15
【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】:含量测定;铝;化学分析和试验;校正;干扰(化学);试样;分光光度法;定量分析;质量;再现性;水质试验;报告;比色法;水;试验设备
【英文主题词】:Aluminiumcontents;Chemicalanalysisandtesting;Determinationofcontent;Spectrometry;Violet;Waterquality
【摘要】:1TypeofsampleThemethodisapplicabletotheanalysisofpotablewaters,groundwaters,andlightlypollutedsurfaceandseawaters.2SubstancedeterminedThemethoddeterminesfilterable(dissolved)andacid-solublealuminium.3RangeThemethodincludeslowrangedeterminationupto100μg/lAlwith50mmcellsandhighrangedetermi-nationupto500μg/lAlwith10mmcells.Theeffec-tiverangedependsonthesensitivityofthespectrometerandcanbeextendedupwardsbytakingsmallertestportions.4LimitofdetectionThelimitofdetectionis2μg/lwhencellsofopticalpathlength50mmanda25mltestportionareused.5SensitivityAnaluminiumconcentrationof100μg/lgivesanabsorbanceofabout0,20±0,05opticalabsorptionunits,usinga25mltestportionandcellsofopticalpathlength10mm.6PrecisionIfnotspecified,theprecisionofvolumesandmassesmentionedinthisInternationalStandardis±1%ofthevalue.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:12P.;A4
【正文语种】:英语