NF V03-135-2003 食品.高效液相色谱法测定维生素C含量

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【英文标准名称】:Foodstuffs-DeterminationofvitaminCbyhighperformanceliquidchromatography.
【原文标准名称】:食品.高效液相色谱法测定维生素C含量
【标准号】:NFV03-135-2003
【标准状态】:作废
【国别】:法国
【发布日期】:2003-12-01
【实施或试行日期】:2003-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:液相色谱法;维生素C酸;测定;高效液相色谱法;含量;定量分析;含量测定;高效液相色谱分析法;食品;化学分析和试验;色谱法;维生素;维生素C;食品检验;分析
【英文主题词】:Analysis;Ascorbicacids;Chemicalanalysisandtesting;Chromatography;Content;Determination;Determinationofcontent;Foodinspection;Foodproducts;Foodtesting;Highperformanceliquidchromatography;HPLC;Liquidchromatography;Quantitativeanalysis;VitaminC;Vitamins
【摘要】:
【中国标准分类号】:X04
【国际标准分类号】:67_050
【页数】:16P.;A4
【正文语种】:其他


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【英文标准名称】:PolyethyleneJacketforElectricalInsulatedWireandCable
【原文标准名称】:电绝缘线和电缆用聚乙烯套管
【标准号】:ASTMD2308-1990
【标准状态】:作废
【国别】:美国
【发布日期】:1990
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:壳;电气工程;金属线;电缆;绝缘;聚乙烯;电绝缘
【英文主题词】:insulations;electricalinsulation;shell;electricalengineering;polyethylene;cables;wires
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:83_140
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforSamplingWorkplaceAtmospherestoCollectGasesorVaporswithSolidSorbentDiffusiveSamplers
【原文标准名称】:用固体吸附剂扩散采样器从工作场所大气中采集气体或蒸气的标准实施规程
【标准号】:ASTMD4597-2003(2009)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D22.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:airmonitoring;diffusivesamplers;organicgases;organicvapors;samplingandanalysis;workplaceatmospheres;Activatedcharcoal;Airmonitoring;Calibration--air/atmosphericanalysisinstruments;Contamination--atmospheric;Diffusionalsampling;
【摘要】:RegulationssuchasthosepromulgatedbytheU.S.OccupationalSafetyandHealthAdministrationin29CFR1910.1000designatethatcertainhazardousgasesandvaporsmustnotbepresentintheworkplaceairatconcentrationsabovespecificvalues.Thispractice,whenusedinconjunctionwithananalyticaltechnique,suchasthatgivenfororganiccompoundsinPracticeD3687,mayprovideameansforthedeterminationoftime-weightedairborneconcentrationsofmanyofthehazardousgasesandvaporsinapplicableregulations(forexample,29CFR1919.1000,),aswellasothers.Themanufacturer''sliteratureshouldbeconsultedfortheappropriatelistofchemicalswhichmaybesampledbyaparticulardevice.1.1Thispracticecoversthesamplingofworkplaceatmospheresforthepresenceofcertaingasesorvaporsbymeansofdiffusionacrossaspecifiedquiescentregionandsubsequentsorptiononasolidsorbent(1).1.2AlistoforganiccompoundswhichareapplicabletosolidsorbentsamplingwherethesorbentiscontainedinabedthroughwhichairispassedisgiveninAnnexA1ofPracticeD3686.Diffusivesamplersmaybeapplicabletoasimilarrangeofcompoundsbutthismustbeconfirmedbyreferencetotheindividualsamplermanufacturers''literature.1.3Thevaliduseofdiffusivesamplersdependsontheexistenceofactuallaboratoryorfieldvalidation,orboth.Guidanceonvalidationcanbeobtainedfrompublishedprotocols(2-6).Thispracticeisnotdesignedtocovertheverification,validation,orspecifictestproceduresusedtoassesstheaccuracyorprecisionofdiffusivesamplers.1.4ThevaluesstatedinSIunitsshallberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C70
【国际标准分类号】:13_100
【页数】:4P.;A4
【正文语种】:英语