BS EN 12393-2-2008 植物食品.农药残留物的气相色谱测定用多种残留法.萃取和提纯方法

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【英文标准名称】:Foodsofplantorigin-Multiresiduemethodsforthegaschromatographicdeterminationofpesticideresidues-Part2:Methodsforextractionandcleanup
【原文标准名称】:植物食品.农药残留物的气相色谱测定用多种残留法.萃取和提纯方法
【标准号】:BSEN12393-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-11-30
【实施或试行日期】:2008-11-30
【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】:清洁处理;测定;含量测定;萃取分析法;食品检验;食品;气相色谱法;气体检测器;实验室间试验;分析方法;农药;残留试验;残留物;规范(验收);试验性能;植物
【英文主题词】:Cleaning;Determination;Determinationofcontent;Extractionmethodsofanalysis;Foodinspection;Foodproducts;Gaschromatography;Gasdetectors;Inter-laboratorytests;Methodsofanalysis;Pesticides;Residuetests;Residues;Specification(approval);Testperformance;Vegetable
【摘要】:ThisEuropeanStandardspecifiesmethodsfortheextractionandclean-upoffoodsamplesofplantoriginforquantitativedeterminationofpesticideresidues.Differentsolventscanbeusedforthispurpose.Thesepesticideresiduesaregenerallyassociatedwithotherco-extractedcompoundswhichwouldinterfereintheanalysis.Topurifythecrudeextractstobeanalysed,severaltechniquescanbeused.Thisstandardcontainsthefollowingextractionandclean-upmethodsthathavebeensubjectedtointerlaboratorystudiesand/orareadoptedthroughoutEurope:?methodL:Extractionwithacetone,liquid-liquidpartitionwithdichloromethaneandclean-uponasilicagel/charcoalcolumn[1];?methodM:Extractionwithacetoneandliquid-liquidpartitionwithdichloromethane/lightpetroleum,ifnecessaryclean-uponFlorisil?1)[2],[3],[4];?methodN:Extractionwithacetone,liquid-liquidpartitionwithdichloromethaneorcyclohexane/ethylacetateandclean-upwithgelpermeationandsilicagelchromatography[5],[6];?methodP:Extractionwithethylacetate,andifnecessary,clean-upbygelpermeationchromatography[7].ThisEuropeanStandardspecifiesthedetailsofmethodsLtoPfortheextractionandtheclean-upoffoodsamplesofplantorigin.Severalsolventsatdifferentvolumesareusedforextraction.Techniquesofclean-uparelistedsuchasliquid-liquidpartition,liquidchromatographyonvariousadsorbentsandgelpermeationchromatography.Atableprovidingthecouples(matrix/pesticide)whichhavebeensubmittedtocollaborativestudiesandalistofindicativeapplicabilityofthemethodtodifferentpesticidesaregivenforeachmethod,whereverpossible.
【中国标准分类号】:X04
【国际标准分类号】:67_080_01
【页数】:42P.;A4
【正文语种】:英语


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【英文标准名称】:Shipbuildingandmarinestructures;rungsfordog-stepladders
【原文标准名称】:造船及海上结构物踏步级
【标准号】:ISO9519-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-11
【实施或试行日期】:1990-11-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC8
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;名称与符号;造船;踏步(楼梯);扶梯横档;杆(柱);楼梯踏步;梯子;墙;规范
【英文主题词】:Cutting;Design;Designations;Dimensions;Erecting(constructionoperation);Injuries;Ladders;Masts;Materials;Offshoreengineering;Riskofstumbling;Rungs;Seas;Shipbuilding;Shipsmasts;Specifications;Stairsteps;Steels;Stepirons;Steps(stairs);Superstructures(ships);Technology;Terms;Walls;Weights
【摘要】:ThisInternationalStandardspecifiesthetypes,di-mensions,material,manufactureanddesignationofrungsfordog-stepladders;italsolaysdownthein-stallationandcompositionofsinglerungsformingadog-stepladder.Dog-stepladders,formedfromsinglerungs,mayonlybeusedwherefixedverticalladderswithstringerscannotbeinstalled.Dog-stepladdersfit-tedtotheship'sstructureshouldserveonlytobridgeminordifferencesinheight.Dog-stepladdersasspecifiedinthisInternationalStandardmayalsobefittedtomarinestructuresotherthanshipstoserveequivalentpurposes.NOTE1UsersofthisInternationalStandardshouldnotethattheyshouldensurecompliancewithsuchstatu-toryrequirements,rulesandregulationsasmaybeap-plicabletotheindividualshipormarinestructureconcerned.note:1)Forexample,asspecifiedinISO3797:1976,Shipbuilding—Verticalsteelladders.
【中国标准分类号】:U80
【国际标准分类号】:47_020_10
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Methodsoftestforpetroleumanditsproducts.Petroleumproducts.Determinationofoxidationstabilityofgasoline.Inductionperiodmethod
【原文标准名称】:石油和产品的试验方法.第40部分:汽油氧化稳定性的测定.诱导期测定法
【标准号】:BS2000Pt.40-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-03-31
【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】:安全措施;再现性;试验条件;氧弹法(测定石油的硫含量);汽油;试验设备;石油产品;抗氧化;化学分析和试验;耐化学性试验
【英文主题词】:chemicalanalysisandtesting;gasoline;oxidationresistance;chemical-resistancetests;safetymeasures;testingconditions;testequipment;bombmethods;reproducibility;petroleumproducts
【摘要】:
【中国标准分类号】:E31
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语