GB 9000.12-1988 电子玻璃中氧化锌 氧化铅 氧化铝和氧化锑的原子吸收分析
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时间:2024-05-10 17:35:14
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基本信息
标准名称: | 电子玻璃中氧化锌 氧化铅 氧化铝和氧化锑的原子吸收分析 |
中标分类: |
电子元器件与信息技术 >>
电子设备专用材料、零件、结构件 >>
电子技术专用材料 |
替代情况: | 调整为SJ/T 10896-1996 |
发布日期: | 1900-01-01 |
实施日期: | 1988-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
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: 电子元器件与信息技术 电子设备专用材料 零件 结构件 电子技术专用材料
【英文标准名称】:StandardGuideforSensoryEvaluationMethodstoDeterminetheSensoryShelfLifeofConsumerProducts
【原文标准名称】:测定消费者产品感官品质保存期的感官评定方法标准指南
【标准号】:ASTME2454-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E18.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:消费者;评定;感官分析;储存期限
【英文主题词】:flavorstabilitytesting;sensorychangesduringstorage;sensorychangesovertime;shelflifetesting
【摘要】:1.1Thisguideprovidesappropriatesensorytestingapproachesandpossibledecisioncriteriaforestablishingsensoryshelflifeofconsumerproducts.Itdescribesresearchconsiderationsincluding:productselectionandhandling,appropriateapplicationofvarioussensorytestmethods,selectionoftestintervals,anddataanalysistechniquesforthedeterminationofaproductsshelflifeend-point.Assuch,thisdocumentcoversshelflifestudiesdesignedtoidentifythesensoryend-pointofaproductslifetomanagebusinessriskandmeetbusinessneeds.Thisguidewillfocusonthepracticalconsiderationsandapproaches,risks,andcriteriathatmustbeconsideredindesigning,executing,andinterpretingshelfliferesults.1.2Sensoryshelflifeisthetimeperiodduringwhichtheproductssensorycharacteristicsandperformanceareasintendedbythemanufacturer.Theproductisconsumableorusableduringthisperiod,providingtheend-userwiththeintendedsensorycharacteristics,performance,andbenefits.Afterthisperiod,however,theproducthascharacteristicsorattributesthatarenotasintended,oritdoesnotperformthesamefunctionsasfreshproductsorthoseselectedbeforetheendofshelflife.1.3Thegoalofallshelflifedeterminationistoestimatethetimeatwhichaconsumerproductisnolongerusable,unfitforconsumption,ornolongerhastheintendedsensorycharacteristics.Thedeterminationofasensoryend-pointisafunctionofthecriteriaselected,thetestmethodused,andsamplingrisk.Thethreefollowingtestmethodsaremostcommonlyused:(1)discrimination,(2)descriptive,and(3)affective.Researchershavetoselectcriteriaandmethodsthatbestsuitthebusinessrisksassociatedwiththeselectionofafinalshelflifeendpoint.1.4Researchtechniquesdesignedtoidentifythecausesofsensoryshelflifechangesortodeveloppredictivemodelsofshelflifearebeyondthescopeofthisdocument.Theseincludetheapplicationofregressionanalysistodevelopstatisticalmodelsdesignedtopredictsensoryshelflife,studiesthatassesstheimpactofvariousstorageconditions,packagingmaterials,orproductformulationsontheshelflifeofproducts,andstudiesdesignedtoidentifythecausesofchangesinproductattributesovertime.However,manyoftheresearchmethods,experimentaldesignconsiderations,anddataanalysistechniquesdiscussedinthisdocumentcanbeappliedtotheseothertypesofshelflife-relatedresearch.1.5Thisguideisnotintendedtoprovideadetaileddescriptionofhowtoconductreliablesensorytesting.Itassumesknowledgeofbasicsensoryandstatisticalanalysistechniques,focusinginsteadonspecialconsiderationsforthespecificapplicationofsensorytestingmethodtoshelflifedetermination.
【中国标准分类号】:A12
【国际标准分类号】:03_080_30
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:FirefightingvehicleLF16-TSforthedisasterprevention
【原文标准名称】:消防车.防火灾害用消防车LF16-TS
【标准号】:DIN14530T.8-1988
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】: