ISO 603-11-1999 粘合磨料产品尺寸第11部分:手工精研磨条

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【英文标准名称】:Bondedabrasiveproducts-Dimensions-Part11:Handfinishingsticks
【原文标准名称】:粘合磨料产品尺寸第11部分:手工精研磨条
【标准号】:ISO603-11-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-07
【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/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;砂轮;夹具;磨料制品;粘合;精整机;手工整修油石;名称与符号;试验;磨料;工具;规范(验收)
【英文主题词】:Abrasiveproducts;Abrasives;Bound;Designations;Dimensions;Finemachining;Fixtures;Grindingwheels;Handfinishingsticks;Specification(approval);Testing;Tools
【摘要】:ThispartofISO603specifiesthenominaldimensions,inmillimeters,of:—Type1:Straightgrindingwheel—Type5:Wheelrecessedononeside—Type7:Wheelrecessedonbothsides—Type20:Wheelrelievedononeside—Type21:Wheelrelievedonbothsides—Type22:Wheelrelievedononesideandrecessedontheotherside—Type23:Wheelrelievedandrecessedononeside—Type24:Wheelrelievedandrecessedononesideandrecessedontheotherside—Type25:Wheelrelievedandrecessedononesideandrelievedontheotherside—Type26:Wheelrelievedandrecessedonbothsides.—Type38:Hubbedwheel—Type39:DoublehubbedwheelThesebondedabrasiveproductsareintendedtobeusedforexternalcylindricalgrindingbetweencentres.Theworkpieceandthegrindingwheelaremechanicallyguided.
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:4P.;A4
【正文语种】:英语


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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