ISO 21438-1-2007 工作场所空气.离子色谱法测定无机酸.第1部分:非挥发性酸(硫酸和磷酸)
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【英文标准名称】:Workplaceatmospheres-Determinationofinorganicacidsbyionchromatography-Part1:Non-volatileacids(sulfuricacidandphosphoricacid)
【原文标准名称】:工作场所空气.离子色谱法测定无机酸.第1部分:非挥发性酸(硫酸和磷酸)
【标准号】:ISO21438-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:空气;空气污染;化学品;危险物质;危险的可裂变物质;定义;保健;无机酸;离子交换色谱法;测量;测量技术;非挥发性的;非挥发物质;职业安全;磷酸;质量;安全工程;规范(验收);硫酸;试验;工作场所浓度;工作地点;工作场所安全
【英文主题词】:Air;Airpollution;Chemicals;Dangerousmaterials;Dangerousstuffs;Definition;Definitions;Healthprotection;Inorganicacids;Ion-exchangechromatography;Measurement;Measuringtechniques;Nonvolatile;Non-volatilematter;Occupationalsafety;Phosphoricacid;Quality;Safetyengineering;Specification(approval);Sulphuricacid;Testing;Workingplaceconcentration;Workingplaces;Workplacesafety
【摘要】:ThispartofISO21438specifiesamethodforthedeterminationofthetime-weightedaveragemassconcentrationofsulfuricacidandphosphoricacidinworkplaceairbyionchromatography.Themethodisapplicabletothepersonalsamplingoftheinhalablefractionofairborneparticles,asdefinedinISO7708andtostatic(area)sampling.Theanalyticalmethodisapplicabletothedeterminationofmassesof0,005mgto2,0mgofsulfuricacidandphosphoricacidpersample,withoutdilution.Theconcentrationrangeofsulfuricacidandphosphoricacidinairforwhichthemeasuringprocedureisapplicableisdeterminedbythesamplingmethodselectedbytheuser.Foranairsampleofvolume1m3,theworkingrangeisapproximately0,005mgm?3to2,0mgm?3.Themethodisnotapplicabletothedeterminationofsulfurtrioxide.Theproceduredoesnotallowdifferentiationbetweentheacidsandtheircorrespondingsaltsifbotharepresentintheair.Theproceduredoesnotallowdifferentiationbetweenphosphoricacidanddiphosphoruspentoxide(phosphoricanhydride)ifbotharepresentintheworkplace.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:29P.;A4
【正文语种】:英语
【原文标准名称】:工作场所空气.离子色谱法测定无机酸.第1部分:非挥发性酸(硫酸和磷酸)
【标准号】:ISO21438-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC146
【标准类型】:()
【标准水平】:()
【中文主题词】:空气;空气污染;化学品;危险物质;危险的可裂变物质;定义;保健;无机酸;离子交换色谱法;测量;测量技术;非挥发性的;非挥发物质;职业安全;磷酸;质量;安全工程;规范(验收);硫酸;试验;工作场所浓度;工作地点;工作场所安全
【英文主题词】:Air;Airpollution;Chemicals;Dangerousmaterials;Dangerousstuffs;Definition;Definitions;Healthprotection;Inorganicacids;Ion-exchangechromatography;Measurement;Measuringtechniques;Nonvolatile;Non-volatilematter;Occupationalsafety;Phosphoricacid;Quality;Safetyengineering;Specification(approval);Sulphuricacid;Testing;Workingplaceconcentration;Workingplaces;Workplacesafety
【摘要】:ThispartofISO21438specifiesamethodforthedeterminationofthetime-weightedaveragemassconcentrationofsulfuricacidandphosphoricacidinworkplaceairbyionchromatography.Themethodisapplicabletothepersonalsamplingoftheinhalablefractionofairborneparticles,asdefinedinISO7708andtostatic(area)sampling.Theanalyticalmethodisapplicabletothedeterminationofmassesof0,005mgto2,0mgofsulfuricacidandphosphoricacidpersample,withoutdilution.Theconcentrationrangeofsulfuricacidandphosphoricacidinairforwhichthemeasuringprocedureisapplicableisdeterminedbythesamplingmethodselectedbytheuser.Foranairsampleofvolume1m3,theworkingrangeisapproximately0,005mgm?3to2,0mgm?3.Themethodisnotapplicabletothedeterminationofsulfurtrioxide.Theproceduredoesnotallowdifferentiationbetweentheacidsandtheircorrespondingsaltsifbotharepresentintheair.Theproceduredoesnotallowdifferentiationbetweenphosphoricacidanddiphosphoruspentoxide(phosphoricanhydride)ifbotharepresentintheworkplace.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:29P.;A4
【正文语种】:英语
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