SN/T 2988.1-2011 进出口纺织专业通用技术要求 第1部分：术语
时间:2024-04-29 12:50:31 来源: 标准资料网 作者：标准资料网 阅读：8884
基本信息
| 标准名称： | 进出口纺织专业通用技术要求 第1部分：术语 |
| 发布部门： | 国家质量监督检验检疫总局 |
| 发布日期： | 2011-09-09 |
| 实施日期： | 2012-04-01 |
| 首发日期： | |
| 作废日期： | |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2012-04-01 |
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： 综合 社会公共安全 社会公共安全综合 信息技术 办公机械设备 字符集和信息编码
【英文标准名称】:Harmonizedsystemofqualityassessmentforelectroniccomponents.Capabilitydetailspecification:flexibleprintedboardswiththrough-connections
【原文标准名称】:电子元器件质量评定协调体系.性能详细规范.带直通接线的挠性印制电路板
【标准号】:BSCECC23500-800-1991
【标准状态】:作废
【国别】:英国
【发布日期】:1991-12-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(审批);检验;评估的质量;电子设备及元件;印制电路板;附着力试验;质量保证体系;孔;印制电路;电气试验;软钎焊性试验;鉴定试验;能力鉴定
【英文主题词】:
【摘要】:
【中国标准分类号】:L30
【国际标准分类号】:
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:TestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby100MeterCapillaryHighResolutionGasChromatography
【原文标准名称】:采用100米毛细管高分辨气相色谱法测定火花点燃式发动机燃料中单个元素的方法
【标准号】:ANSI/ASTMD6730-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【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】:机动车燃料;测试方法;汽油;气相色谱法;试验方法
【英文主题词】:Automotivefuels;Capillary;Components;Determination;Fuels;Gaschromatography;Gases;Gasoline;Ignition;Individual;Liquidfuels;Meterprovers;Resolution;Sparkignitions;Spark-ignitionengines;Testmethods;Testing
【摘要】:Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelsandtheirmixturescontainingoxygenateblends(MTBE,ETBE,ethanol,andsoforth)withboilingrangesupto225?C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchasblendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.Basedonthecooperativestudyresults,individualcomponentconcentrationsandprecisionaredeterminedintherangefrom0.01toapproximately30mass%.Thetestmethodmaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyifthetestmethodisusedforcomponentswithconcentrationsoutsidethespecifiedranges.Thistestmethodalsodeterminesmethanol,ethanol,t-butanol,methylt-butylether(MTBE),ethylt-butylether(ETBE),andt-amylmethylether(TAME)insparkignitionenginefuelsintheconcentrationrangefrom1to30mass%.However,thecooperativestudydataprovidedinsufficientstatisticaldataforobtainingaprecisionstatementforthesecompounds.Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA),theuserofsuchdatashouldbecautionedthatsomeerrorwillbeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofnaphthenic(forexample,virginnaphthas)constituentsaboven-octanemayreflectsignificanterrorsinPONA-typegroupings.Basedonthegasolinesamplesintheinterlaboratorycooperativestudy,thistestmethodisapplicabletosamplescontaininglessthan25mass%ofolefins.However,someinterferingco-elutionwiththeolefinsaboveCispossible,particularlyifblendingcomponentsortheirhigherboilingcutssuchasthosederivedfromfluidcatalyticcracking(FCC)areanalyzed,andthetotalolefincontentmaynotbeaccurate.AnnexA1ofthistestmethodcomparesresultsofthetestmethodwithothertestmethodsforselectedcomponents,includingolefins,andseveralgrouptypesforseveralinterlaboratorycooperativestudysamples.Althoughbenzene,toulene,andseveraloxygenatesaredetermined,whendoubtfulastotheanalyticalresultsofthesecomponents,confirmatoryanalysescanbeobtainedbyusingthespecifictestmethodslistedinthereferencesection.Totalolefinsinthesamplesmaybeobtainedorconfirmed,orboth,ifnecessary,byTestMethodD1319(volume%)orothertestmethods,suchasthosebasedonmultidimentionalPONA-typeofinstruments.Ifwaterisorissuspectedofbeingpresent,itsconcentrationmaybedetermined,ifdesired,bytheuseofTestMethodD1744orequivalent.Othercompoundscontainingoxygen,sulfur,nitrogen,andsoforth,mayalsobepresent,andmayco-elutewiththehydrocarbons.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodsD4815andD5599foroxygenates,andTestMethodD5623forsulfurcompounds,orequivalent.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语