SN/T 0778-1999 出口大米中铜、锌、铅、镉的测定方法 原子吸收分光光度法
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基本信息
| 标准名称： | 出口大米中铜、锌、铅、镉的测定方法 原子吸收分光光度法 |
| 英文名称： | Method of determination of cupper zinc lead cadmium in rice for export—Atomit absorption spectrophotometer |
| 中标分类： |
农业、林业 >>
粮食与饲料作物 >>
禾谷类作物与产品 |
| 发布部门： | 中华人民共和国国家出入境检验检疫局 |
| 发布日期： | 1999-05-05 |
| 实施日期： | 1998-08-01 |
| 首发日期： | |
| 作废日期： | |
| 提出单位： | 中华人民共和国国家出入境检验检疫局 |
| 归口单位： | 中华人民共和国国家出入境检验检疫局 |
| 起草单位： | 中华人民共和国宁夏进出口商品检验局 |
| 起草人： | 殷贺峰、范湘坚、刘文丽 |
| 出版日期： | 1998-08-01 |
| 页数： | 6页 |
适用范围
本标准规定了用原子吸收分光光度法测定出口大米中铜、锌、铅、福量的方法。
本标准适用于出口大米中铜、锌、铅、福含量的测定。
本标准最低检出限火焰法铜2n g/mL，锌1n g/mL;石墨炉法铅1n g/mL,福0.2 n g/mL,
前言
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引用标准
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所属分类： 农业 林业 粮食与饲料作物 禾谷类作物与产品
【英文标准名称】:Safetyoftoys-Mechanicalandphysicalproperties
【原文标准名称】:玩具安全.机械和物理性能
【标准号】:BSEN71-1-2005+A4-2007
【标准状态】:作废
【国别】:英国
【发布日期】:2005-12-05
【实施或试行日期】:2005-12-05
【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】:声学性质和声学现象;水上玩具;婴儿玩具;幼童自行车;儿童玩具;自行车;定义;设计;设备安全;适用性;半球形;铰链盖;直排溜冰鞋;作标记;材料;机械性能;材料的机械性能;包装件;包装箱;物理性能;材料的物理性质;塑料制品;抛掷的;性能;旱冰鞋;安全;安全工程;安全规则;安全要求;半圆形;规范(验收);吮吸;吸入;抗拉试验;测试;玩具踏板车;玩具
【英文主题词】:Acousticpropertiesandphenomena;Aquatictoys;Babytoys;Childrenbicycles;Children'stoys;Cycles;Definition;Definitions;Design;Equipmentsafety;Fitnessforpurpose;Hemisphericalshape;Hingedlids;Inline-Skates;Marking;Materials;Mechanicalproperties;Mechanicalpropertiesofmaterials;Packages;Packingcases;Physicalproperties;Physicalpropertiesofmaterials;Plasticsproducts;Projectiles;Properties;Rollerskates;Safety;Safetyengineering;Safetyregulations;Safetyrequirements;Semi-circularshape;Specification(approval);Suck;Takein;Tensiletests;Testing;Toyscooters;Toys
【摘要】:ThisEuropeanStandardspecifiesrequirementsandmethodsoftestsformechanicalandphysicalpropertiesoftoys.ThisEuropeanStandardappliestotoysforchildren,toysbeinganyproductormaterialdesignedorclearlyintendedforuseinplaybychildrenoflessthan14years.Itreferstonewtoystakingintoaccounttheperiodofforeseeableandnormaluse,andthatthetoysareusedasintendedorinaforeseeableway,bearinginmindthenormalbehaviourofchildren.Itincludesspecificrequirementsfortoysintendedforchildrenunder36monthsandforchildrenwhoaretooyoungtositupunaided.ForthepurposeofthisEuropeanStandard,soft-filledtoyswithsimplefeaturesintendedforholdingandcuddlingareconsideredastoysintendedforchildrenunder36months.ThisEuropeanStandardalsospecifiesrequirementsforpackaging,markingandlabelling.ThisEuropeanStandarddoesnotcovermusicalinstruments,sportsequipmentorsimilaritemsbutdoesincludetheirtoycounterparts.ThisEuropeanStandarddoesnotcoverelectricalsafetyaspectsoftoys.ThesearecoveredbyEN50088,Safetyofelectrictoys.Furthermore,itdoesnotcoverthefollowingitemswhich,forthepurposeofthisEuropeanStandard,arenotconsideredastoys:?Christmasdecorations(seeA.2);?detailedscalemodelsforadultcollectors(seeA.2);?equipmentintendedtobeusedcollectivelyinplaygrounds;?sportsequipment;?aquaticequipmentintendedtobeusedindeepwater;?folkdollsanddecorativedollsandothersimilararticlesforadultcollectors;?"professional"toysinstalledinpublicplaces(shoppingcentres,stationsetc.)(seeA.2);?puzzleswithmorethan500piecesorwithoutpicture,intendedforspecialists;?airgunsandairpistols(seeA.2);?fireworks,includingpercussioncapsexceptpercussioncapsspecificallydesignedfortoys;?slingsandcatapults(seeA.2);?setsofdartswithmetallicpoints;?electricovens,ironsorotherfunctionalproductsoperatedatanominalvoltageexceeding24V;?productscontainingheatingelementsintendedforuseunderthesupervisionofanadultinateachingcontext;?vehicleswithcombustionengines(seeA.2);?toysteamengines;?bicyclesdesignedforsportorfortravelonthepublichighway;?videotoysthatcanbeconnectedtoavideoscreen,operatedatanominalvoltageexceeding24V;?babies'dummies(soothers);?faithfulreproductionsofrealfirearms;?fashionjewelleryforchildren(seeA.2).Also,forthepurposeofthisEuropeanStandard,thefollowingitemsarenotconsideredastoys:?flotationaidssuchasarmbandsandswimseats(seeA.23);?swimminggoggles,sunglassesandothereyeprotectorsaswellasbicycleandskateboardhelmets(seeA.19);?itemsthatarepropelledintofreeflightbyachildreleasinganelasticband(e.g.aeroplanesandrockets).Theseareconsideredascatapults(see11thindentabove);?bowsforarcherywithanoverallrelaxedlengthexceeding120cm.
【中国标准分类号】:Y57
【国际标准分类号】:97_200_50
【页数】:88P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforConceptualizationandCharacterizationofGround-WaterSystems
【原文标准名称】:地下水系统概念化和特性化的标准指南
【标准号】:ASTMD5979-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:characterization;conceptualization;groundwater;ground-watermodeling;ground-watersystems;
【摘要】:1.1Thisguidecoversanintegrated,stepwisemethodforthequalitativeconceptualizationandquantitativecharacterizationofground-waterflowsystems,includingtheunsaturatedzone,fornaturalorhuman-inducedbehaviororchanges.1.2Thisguidemaybeusedatanyscaleofinvestigation,includingsite-specific,subregional,andregionalapplications.1.3Thisguidedescribesaniterativeprocessfordevelopingmultipleworkinghypothesesforcharacterizingground-waterflowsystems.Thisprocessaimsatreducinguncertaintywithrespecttoconceptualmodels,observation,interpretation,andanalysisintermsofhypothesisandrefinementofthemostlikelyconceptualmodeloftheground-waterflowsystem.Theprocessisalsoaimedatreducingtherangeofrealisticvaluesforparametersidentifiedduringthecharacterizationprocess.Thisguidedoesnotaddressthequantitativeuncertaintyassociatedwithspecificmethodsofhydrogeologicandground-watersystemcharacterizationandquantification,forexample,theeffectsofwellconstructiononwater-levelmeasurement.1.4Thisguideaddressesthegeneralprocedure,typesofdataneeded,andreferencesthatenabletheinvestigatortocompletetheprocessofanalysisandinterpretationofeachdatatypewithrespecttogeohydrologicprocessesandhydrogeologicframework.Thisguiderecommendsthegroupsofdataandanalysistobeusedduringeachstepoftheconceptualizationprocess.1.5Thisguidedoesnotaddressthespecificmethodsforcharacterizinghydrogeologicandground-watersystemproperties.1.6Thisguidedoesnotaddressmodelselection,design,orattributionforuseintheprocessofground-waterflowsystemcharacterizationandquantification.Thisguidedoesnotaddresstheprocessofmodelschematization,includingthesimplificationofhydrologicsystemsandtherepresentationofhydrogeologicparametersinmodels.1.7Thisguidedoesnotaddressspecialconsiderationsrequiredforcharacterizationofkarstandfracturedrockterrain.Insuchhydrogeologicsettings,refertoQuinlan(1)andGuideD5717foradditionalguidance.1.8Thisguidedoesnotaddressspecialconsiderationsregardingthesource,fate,andmovementofchemicalsinthesubsurface.1.9Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.10Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject'smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:D04
【国际标准分类号】:13_060_10
【页数】:7P.;A4
【正文语种】: