NF X08-104-1987 颜色.钢铁工厂.管道系统的标记
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【英文标准名称】:Colours.Ironandstellfactories.Markingoffluidsinpipes.
【原文标准名称】:颜色.钢铁工厂.管道系统的标记
【标准号】:NFX08-104-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-10-01
【实施或试行日期】:1987-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A26;J15
【国际标准分类号】:23_040_01;01_070;77_180
【页数】:10P;A4
【正文语种】:其他
【原文标准名称】:颜色.钢铁工厂.管道系统的标记
【标准号】:NFX08-104-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-10-01
【实施或试行日期】:1987-10-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:A26;J15
【国际标准分类号】:23_040_01;01_070;77_180
【页数】:10P;A4
【正文语种】:其他
下载地址: 点击此处下载
【英文标准名称】:Workplaceairquality-Determinationoftotalorganicisocyanategroupsinairusing1-(2-methoxyphenyl)piperazineandliquidchromatography
【原文标准名称】:工作场所空气质量.用2-(1-甲氧基苯基)呱嗪和液相色谱法测定空气中的异氰酸盐总量
【标准号】:ISO16702-2007
【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;空气质量;化学分析和试验;色谱法;解吸;含量测定;扩散取样器;异氰酸酯;液相色谱法;哌嗪;质量;取样;采样设备;技术数据单;工作地点;工作场所安全
【英文主题词】:Air;Airpollution;Airquality;Chemicalanalysisandtesting;Chromatography;Desorption;Determinationofcontent;Diffusivesamplers;Isocyanates;Liquidchromatography;Piperazine;Quality;Sampling;Samplingequipment;Technicaldatasheets;Workingplaces;Workplacesafety
【摘要】:ThisInternationalStandardgivesgeneralguidanceforthesamplingandanalysisofairborneorganicisocyanate(NCO)compoundsinworkplaceair.ThisInternationalStandardisappropriateforawiderangeoforganiccompoundscontainingisocyanatefunctionalgroups,includingisocyanatemonomersandprepolymers.Examplesofaromaticmonomersincludetoluenediisocyanate(TDI)(both2,4-and2,6-diisocyanatotoluene),naphthyldiisocyanate(NDI)(1,5-diisocyanatonaphthalene)andmethylenebis(4-phenylisocyanate)[MDI,systematicallynamedasdi-(4-isocyanatophenyl)methane].Examplesofaliphaticmonomersincludeisophoronediisocyanate(IPDI,systematicallynamedas1-isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane),methylenebis(cyclohexylisocyanate)(hydrogenatedMDI,HMDI)and1,6-diisocyanatohexane(HDI)(alsoknownas1,6-hexamethylenediisocyanate).Monomerscontainingasingleisocyanatemoiety(e.g.methylisocyanate,ethylisocyanate,phenylisocyanate,hexylisocyanate)areproducedduringthermaldegradationofpolyurethanes,i.e.flamebondingandlasercutting.Isocyanatepolymers,alsocalledpolyisocyanates,homopolymers,oligomersorprepolymers,arederivedfromthediisocyanatemonomersbyself-condensationorreactionwithpolyols.Polymericdiisocyanatesarewidelyusedinthepolyurethanes,paintsandcoatings,andadhesivesindustries.ThisInternationalStandardisappropriateformeasuringanyproductcontainingfreeisocyanategroups.ItwasdevelopedprimarilyforthecommonlyusedMDI,HDI,andTDI,andtheiroligomersandpolymers[1].IthasalsobeenusedforIPDI,HMDI,andNDI,andtheiroligomersandpolymers.TheexposurelimitforisocyanatesintheUKrequiresmeasurementoftotalisocyanategroups,i.e.monomericdiisocyanates,oligomeric,prepolymericandpolymericdiisocyanatesandmonoisocyanates.Becausethereareawiderangeofisocyanatestructuresandmolecularmasses,thechromatographicconditionsusedwillneedtobevariedaccordingtotheisocyanateformulationbeingdetermined.Ifbothisocyanatesandaminesarebelievedtobepresent,andbothneedtobedetermined,astandardwhichenablesthesimultaneousdeterminationofbothaminesandisocyanatesmaybemoreappropriate[2].Thismethodhasalsobeenmodifiedtoallowdeterminationofmono-isocyanatesproducedduringthermaldegradation[3],theuseofmassspectrometricdetection[4]andothersamplingequipment,e.g.37mmfiltersandotherfiltercassettes,butthesemodificationsarenotcoveredinthisInternationalStandard.Ifamodifiedversionofthismethodisbeingused,itistheresponsibilityoftheusertodemonstratethatthemodificationsarevalid.Themethodisusedtodeterminetime-weightedaverageconcentrationsoforganicisocyanatesinworkplaceatmospheres,andissuitableforsamplingoverperiodsintherange0,5minto8h.Themethodisdesignedforpersonalmonitoring,butcanalsobeusedforfixedlocationmonitoringbysuitablemodification.Themethodissuitableforthemeasurementofairborneorganicisocyanatesintheconcentrationrangefromapproximately0,1μg/m3to140μg/m3fora15lsamplevolume.Thequalitativeandquantitativedetectionlimitsforisocyanate,definedasthreetimesand10timesthestandarddeviationofsixblankdeterminations,havebeenfoundtobetypicallybetween0,001μgand0,004μgofisocyanatepersample,respectively(ECdetection).Fora15lairsample,thesevaluescorrespondtoqualitativeandquantitativedetectionlimitsof0,07μg/m3and0,3μg/m3,respectively.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:35P;A4
【正文语种】:英语
【原文标准名称】:工作场所空气质量.用2-(1-甲氧基苯基)呱嗪和液相色谱法测定空气中的异氰酸盐总量
【标准号】:ISO16702-2007
【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;空气质量;化学分析和试验;色谱法;解吸;含量测定;扩散取样器;异氰酸酯;液相色谱法;哌嗪;质量;取样;采样设备;技术数据单;工作地点;工作场所安全
【英文主题词】:Air;Airpollution;Airquality;Chemicalanalysisandtesting;Chromatography;Desorption;Determinationofcontent;Diffusivesamplers;Isocyanates;Liquidchromatography;Piperazine;Quality;Sampling;Samplingequipment;Technicaldatasheets;Workingplaces;Workplacesafety
【摘要】:ThisInternationalStandardgivesgeneralguidanceforthesamplingandanalysisofairborneorganicisocyanate(NCO)compoundsinworkplaceair.ThisInternationalStandardisappropriateforawiderangeoforganiccompoundscontainingisocyanatefunctionalgroups,includingisocyanatemonomersandprepolymers.Examplesofaromaticmonomersincludetoluenediisocyanate(TDI)(both2,4-and2,6-diisocyanatotoluene),naphthyldiisocyanate(NDI)(1,5-diisocyanatonaphthalene)andmethylenebis(4-phenylisocyanate)[MDI,systematicallynamedasdi-(4-isocyanatophenyl)methane].Examplesofaliphaticmonomersincludeisophoronediisocyanate(IPDI,systematicallynamedas1-isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane),methylenebis(cyclohexylisocyanate)(hydrogenatedMDI,HMDI)and1,6-diisocyanatohexane(HDI)(alsoknownas1,6-hexamethylenediisocyanate).Monomerscontainingasingleisocyanatemoiety(e.g.methylisocyanate,ethylisocyanate,phenylisocyanate,hexylisocyanate)areproducedduringthermaldegradationofpolyurethanes,i.e.flamebondingandlasercutting.Isocyanatepolymers,alsocalledpolyisocyanates,homopolymers,oligomersorprepolymers,arederivedfromthediisocyanatemonomersbyself-condensationorreactionwithpolyols.Polymericdiisocyanatesarewidelyusedinthepolyurethanes,paintsandcoatings,andadhesivesindustries.ThisInternationalStandardisappropriateformeasuringanyproductcontainingfreeisocyanategroups.ItwasdevelopedprimarilyforthecommonlyusedMDI,HDI,andTDI,andtheiroligomersandpolymers[1].IthasalsobeenusedforIPDI,HMDI,andNDI,andtheiroligomersandpolymers.TheexposurelimitforisocyanatesintheUKrequiresmeasurementoftotalisocyanategroups,i.e.monomericdiisocyanates,oligomeric,prepolymericandpolymericdiisocyanatesandmonoisocyanates.Becausethereareawiderangeofisocyanatestructuresandmolecularmasses,thechromatographicconditionsusedwillneedtobevariedaccordingtotheisocyanateformulationbeingdetermined.Ifbothisocyanatesandaminesarebelievedtobepresent,andbothneedtobedetermined,astandardwhichenablesthesimultaneousdeterminationofbothaminesandisocyanatesmaybemoreappropriate[2].Thismethodhasalsobeenmodifiedtoallowdeterminationofmono-isocyanatesproducedduringthermaldegradation[3],theuseofmassspectrometricdetection[4]andothersamplingequipment,e.g.37mmfiltersandotherfiltercassettes,butthesemodificationsarenotcoveredinthisInternationalStandard.Ifamodifiedversionofthismethodisbeingused,itistheresponsibilityoftheusertodemonstratethatthemodificationsarevalid.Themethodisusedtodeterminetime-weightedaverageconcentrationsoforganicisocyanatesinworkplaceatmospheres,andissuitableforsamplingoverperiodsintherange0,5minto8h.Themethodisdesignedforpersonalmonitoring,butcanalsobeusedforfixedlocationmonitoringbysuitablemodification.Themethodissuitableforthemeasurementofairborneorganicisocyanatesintheconcentrationrangefromapproximately0,1μg/m3to140μg/m3fora15lsamplevolume.Thequalitativeandquantitativedetectionlimitsforisocyanate,definedasthreetimesand10timesthestandarddeviationofsixblankdeterminations,havebeenfoundtobetypicallybetween0,001μgand0,004μgofisocyanatepersample,respectively(ECdetection).Fora15lairsample,thesevaluescorrespondtoqualitativeandquantitativedetectionlimitsof0,07μg/m3and0,3μg/m3,respectively.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:35P;A4
【正文语种】:英语
基本信息
| 标准名称： | 电离真空计 |
| 英文名称： | Ionization Vacuum Gauge |
| 中标分类： | 综合 >> 计量 >> 电离辐射计量 |
| 替代情况： | JJG 265-1992 |
| 发布部门： | 国家质量技术监督局 |
| 发布日期： | 1999-09-06 |
| 实施日期： | 1999-12-06 |
| 首发日期： | |
| 作废日期： | |
| 归口单位： | 全国压力计量技术委员会 |
| 起草单位： | 大连市计量检定测试所、国营南京电子管厂、国营丽光电子管厂 |
| 起草人： | 曲传民、林国平、吴跃 |
| 出版社： | 中国计量出版社 |
| 出版日期： | 2004-04-22 |
| 页数： | 16页 |
| 书号： | 155026-1075 |
适用范围
本校准适用于新生产和使用中的工作用电离真空计的校准。也适用于热阴极电离真空计规管和电路的单独校准。
前言
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目录
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引用标准
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所属分类： 综合 计量 电离辐射计量
