【英文标准名称】:VerticalTenonsUsedwithPostTop-mountedLuminaires
【原文标准名称】:柱顶安装式照明设备用立式榫头
【标准号】:ANSIC136.21-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:夹持装置;灯柱;道路照明;街道照明
【英文主题词】:Holdingdevices;Lightingcolumns;Roadlighting;Streetlighting
【摘要】:Coverstheattachmentfeaturesofverticaltenonsonpoletopsorbracketsusedinroadwayandarealightingthatpermittheinterchangeabilityofpost-top-mountedluminaires.
【中国标准分类号】:K72
【国际标准分类号】:93_080_40
【页数】:
【正文语种】:英语
【英文标准名称】:Indoorair.Determinationofformaldehydeandothercarbonylcompounds.Activesamplingmethod
【原文标准名称】:室内空气.甲醛和其它碳基化合物的测定.活性抽样法
【标准号】:BSISO16000-3-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-12-17
【实施或试行日期】:2001-12-17
【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】:活性的;空气;空气污染;空气污染控制;空气污染测量;空气净化;空气质量;醛;分析;校正;羰基化合物;化学分析和试验;浓缩;含量测定;甲醛;高效液相色谱法;高效液相色谱分析法;室内气候;室内;数学计算;测量;参数;防污染;取样;抽样方法;规范(验收);符号;挥发物测定
【英文主题词】:Active;Air;Airpollution;Airpollutioncontrol;Airpollutionmeasurement;Airpurification;Airquality;Aldehydes;Analysis;Calibration;Carbonylcompounds;Chemicalanalysisandtesting;Concentration;Determinationofcontent;Formaldehyde;Highperformanceliquidchromatography;HPLC;Indoorclimate;Indoors;Mathematicalcalculations;Measurement;Parameters;Pollutionprotection;Sampling;Samplingmethods;Specification(approval);Symbols;Volatilematterdetermination
【摘要】:ThispartofISO16000describesaprocedureforthedeterminationofformaldehyde(HCHO)andothercarbonylcompounds(aldehydesandketones)inair.Themethodisspecificforformaldehydebut,withmodification,atleastthirteenothercarbonylcompoundscanbedetectedandquantified.Itissuitablefordeterminationofformaldehydeandothercarbonylcompoundsintheconcentrationrangeofapproximately1μg/mto1mg/m.Thesamplingmethodgivesatime-weightedaverage(TWA)sample.Itcanbeusedforlong-term(1hto24h)orshort-term(5minto60min)samplingofairforformaldehyde.ThispartofISO16000describesasamplingandanalysisprocedureforformaldehydeandothercarbonylcompoundsthatinvolvescollectionfromairontocartridgescoatedwith2,4-dinitrophenylhydrazine(DNPH)andsubsequentanalysisbyhighperformanceliquidchromatography(HPLC)withdetectionbyultravioletabsorption[1,3].TheproceduresdescribedarewrittenspecificallyforthesamplingandanalysisofformaldehydeinairusinganadsorbentcartridgeandHPLC.Themethodalsopermitsthedeterminationofotheraldehydesandketonescollectedfromair.ThispartofISO16000isapplicabletothefollowingcarbonylcompounds:FormaldehydeAcetaldehydeAcetoneBenzaldehydeButyraldehydeValeraldehyde2,5-DimethylbenzaldehydeCrotonaldehydeIsovaleraldehydePropionaldehydeHexanalo-Tolualdehydep-Tolualdehydem-Tolualdehydenote:1)InsteadofthenomenclatureaccordingtoIUPACregulations,themorecommonnamesareusedinthisInternationalStandard:formaldehyde:methanalacetaldehyde:ethanalacetone:2-propanonebutyraldehyde:butanalcrotonaldehyde:2-butenalisovaleraldehyde:3-methylbutanalpropionaldehyde:propanalm-tolualdehyde:3-methylbenzaldehydeo-tolualdehyde:2-methylbenzaldehydep-tolualdehyde:4-methylbenzaldehydevaleraldehyde:pentanal
【中国标准分类号】:Z15
【国际标准分类号】:13_040_20
【页数】:36P.;A4
【正文语种】:英语
基本信息
标准名称: | 氨制冷装置用油分离器 技术条件 |
中标分类: |
机械 >>
通用机械与设备 >>
制冷设备 |
替代情况: | 被JB/T 7658.2-95代替 |
发布日期: | |
实施日期: | 1992-07-01 |
首发日期: | |
作废日期: | 1996-07-01 |
出版日期: | |
页数: | 3页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 机械 通用机械与设备 制冷设备