ISO 15141-2-1998 食品谷物和谷物制品中赭曲霉毒素A的测定第2部分:用碳酸氢盐净化高性能液相色谱法
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【英文标准名称】:Foodstuffs-DeterminationofochratoxinAincerealsandcerealproducts-Part2:Highperformanceliquidchromatographicmethodwithbicarbonatecleanup
【原文标准名称】:食品谷物和谷物制品中赭曲霉毒素A的测定第2部分:用碳酸氢盐净化高性能液相色谱法
【标准号】:ISO15141-2-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-10
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:赭曲霉素;小麦糠;清洁效果;高效液体色谱分析法;谷类作物;食品;重酸式碳酸盐;玉米;食品检验;大麦;测定;液相色谱法;化学分析和试验
【英文主题词】:Barley;Bicarbonates;Cerealfoodproducts;Cereals;Chemicalanalysisandtesting;Cleaning;Cleaningeffect;Determination;Determinationofcontent;Foodinspection;Foodproducts;HPLC;Inter-laboratorytests;Liquidchromatography;Maize;Mathematicalcalculations;Methodsofanalysis;Ochratoxin;Wheatbran
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofochratoxinA(OTA)atlevelsgreaterthan3μg/kg.ThemethodhasbeensuccessfullyvalidatedininterlaboratorystudiesaccordingtoISO5725:1986[1]onwholebarleycontaining2,9μg/kg,3,0μg/kg,7,4μg/kgand14,4μg/kgofochratoxinA,onwholemaizecontaining8,2μg/kgand16,3μg/kgofochratoxinAaswellasonwheatbrancontaining3,8μg/kgand4,5μg/kgofochratoxinA.NOTE:Numerouslaboratoryexperienceshaveshownthatthismethodisalsoapplicabletowheatflour.
【中国标准分类号】:X11
【国际标准分类号】:67_060
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:Safetymarking;safetycolours
【原文标准名称】:安全标志.安全色标
【标准号】:DIN4844T.2-1982
【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】:C65;A22
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforResistancetoAbrasionofResilientFloorCoveringsUsinganAbraderwithaGritFeedMethod
【原文标准名称】:用带喂磨料的磨蚀测试机测定弹性地板覆盖物的耐磨性的标准试验方法
【标准号】:ASTMF510-1993(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:F06.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasionresistance;aluminumoxide;gritfeed;resilientflooring;Taberabraser;Abrasionresistance--floorcoverings;Aluminumoxide(Al2O3)content;Gritfeedmethod;Resilientflooring;Tabertester
【摘要】:Whensubjectedtonormalin-usetrafficconditions,aflooringmaterialisexposedtoabrasioncausedbythedestructiveactionoffinehardparticles.Thissituationoccurswheneveraparticle-pollutedintermediatelayerexistsbetweentrafficbodies(thatis,shoesandaflooringsurface).Undercontinuingexposuretoanx201C;abrasiveaction,x201D;aflooringmaterialmaysufferathicknesslosssufficienttoreduceitsservicelife.Abrasionresistancemeasurementsofresilientfloorcoveringscanbecomplicatedsincetheresistancetoabrasionisaffectedbymanyfactors.Oneoftheseisthephysicalpropertiesofthematerialinthefloorcoveringsurface,particularlyitshardnessandresilience.Thetypeanddegreeofaddedsubstances,suchasfillersandpigments,canalsoaffectabrasionresistance.Itcanalsobeaffectedbyconditionsofthetest(forexample,thetypeandcharacteristicsoftheabradantandhowitactsontheareaofthespecimenbeingabraded,includingthedevelopmentanddissipationofheatduringthetestcycle).Thesurfacecharacteristicsofthespecimen,suchastype,depth,andamountofembossing,canlikewiseaffecttheabrasionresistanceofresilientfloorings.Thistestmethodisdesignedtosimulateonekindofabrasiveactionandabradantthataflooringmayencounterinthefield.However,resultsshouldnotbeusedasanabsoluteindexofultimatelifebecause,asnoted,therearetoomanyfactorsandinteractionstoconsider.Alsoinvolvedarethemanydifferenttypesofservicelocations.Therefore,thedatafromthistestmethodareofvaluechieflyinthedevelopmentofmaterialsandshouldnotbeusedwithoutqualificationsasabasisforcommercialcomparisons.1.1Thistestmethodcoversthelaboratoryprocedurefordeterminingtheabrasionresistanceofresilientflooringusinganabraderwithagritfeeder.1.2TheequipmentusedinthistestmethodisamodificationoftheTaberabraser.Theregularceramicwheelsarereplacedbyleathercladbrassrollers.Agrit-feedingdevicefeeds240-meshaluminumoxidegritontothespecimenbeforeitpassesundertheleathercladrollers.Usingtheexhaustsystemincorporatedintheapparatus,theusedgritandabradedmaterialarecontinuouslyremovedafterpassingunderbothrollers.1.3Thistestmethodemploysarotary,rubbingactioncausedbythedualabradingwheels.Onewheelrubsthespecimenfromthecenteroutwardandtheotherfromtheoutsidetowardthecenter.Thewheelstraverseacompletecircleandhaveanabrasiveactionontherotatingspecimenatallangles.Itisfeltthatthisactionapproachesthetwistingactionbetweenshoeandfloorthatoccurswhenapersonturns.Theuseofloosegritservesthefunctionofanabradantandalsoaidsintherollingactionfelttobecharacteristicofnormalwalking.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:6P.;A4
【正文语种】:英语