基本信息
| 标准名称： | 出口水产品检验抽样方法 |
| 英文名称： | Method of sampling of inspection in fishery products for export |
| 中标分类： |
农业、林业 >>
水产、渔业 >>
水产、渔业综合 |
| 替代情况： | ZB B50001-1985 |
| 发布部门： | 中华人民共和国国家进出口商品检验局 |
| 发布日期： | 1995-12-25 |
| 实施日期： | 1996-05-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 中华人民共和国国家进出口商品检验局 |
| 起草单位： | 中华人民共和国山东进出口商品检验局、夭津进出口商品检验局 |
| 起草人： | 李泽瑶、刘向德、张福昌 |
| 出版日期： | 1900-01-01 |
| 页数： | 9页 |
适用范围
本标准规定了出口水产品检验抽样方法。
本标准适用于出口水产品(鲜活品、腌制品、干制品及解冻冷冻品)品质、规格的感官物理检验的仲裁抽样。
前言
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目录
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引用标准
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所属分类： 农业 林业 水产 渔业 水产 渔业综合
【英文标准名称】:Statisticalaspectsofsamplingfrombulkmaterials-Samplingofparticulatematerials
【原文标准名称】:从散装物料中抽样的统计方法.颗粒状物料的抽样
【标准号】:BSISO11648-2-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-12-05
【实施或试行日期】:2001-12-05
【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】:动态试验;粒状材料;抽样方法;统计学;统计方法分析;散装物料
【英文主题词】:Bulkgoods;Bulkmaterials;Definition;Definitions;Materialbehaviour;Premixedmaterials;Samples;Sampling;Samplingmethods;Specimenpreparation;Statisticalmethodsofanalysis;Statistics;Testspecimens
【摘要】:ThispartofISO11648establishesthebasicmethodsforsamplingparticipatematerialsinbulk(e.g.ores,mineralconcentrates,coal,industrialchemicalsinpowderorgranularform,andagriculturalproductssuchasgrain)frommovingstreamsandstationarysituations,includingstopped-beltsampling,toprovidesamplesformeasuringoneormorevariablesinanunbiasedmannerandwithaknowndegreeofprecision.Thevariablesaremeasuredbychemicalanalysisand/orphysicaltesting.Thesesamplingmethodsareapplicabletomaterialsthatrequireinspectiontoverifycompliancewithproductspecificationsorcontractsettlements,tocalculatethevalueofthelotmeanofameasurablequantityasabasisforsettlementbetweentradingpartners,ortoestimatethesetofvariablesandvariancesthatdescribesasystemorprocedure.Stopped-beltsamplingisthereferencemethodagainstwhichothersamplingproceduresarecompared.Dynamicsamplingfrommovingstreamsisthepreferredmethodwherebyasamplingdevice(calledacutter)ispassedthroughthestreamoftheparticulatematerial.Acompletecross-sectionofthemovingstreamcanberemovedasaprimaryincrementataconveyorbelttransferpointwithafalling-streamcutter,orremovedfromthebeltwithacross-beltcutter.Inbothcases,theselectionandextractionofincrementscanbedescribedbyaone-dimensionaidynamicsamplingmodel.Staticsamplingofbulkmaterialfromstationarysituations,suchasstockpiles,railorroadwagons,theholdsofshipsandbarges,silos,andevencomparativelysmallvolumes,isusedonlywheresamplingfrommovingstreamsisnotpossible.Suchsamplingfromthree-dimensionallotsispronetosystematicerrors,becausesomepartsofthelotusuallyhavereducedornochanceofbeingcollectedforthegrosssample.Thisisinviolationoftherequirementofthethree-dimensionalsamplingmodelthatallpartshaveanequalprobabilityofbeingcollected.TheproceduresdescribedinthispartofISO11648forsamplingfromstationarylotsofbulkparticulatematerialwithimplementssuchasmechanicalaugersmerelyminimizesomeofthesystematicsamplingerrors.Forthesereasons,thispartofISO11648isprimarilyconcernedwithdynamicsamplingfrommovingstreamsorstopped-beltstaticsamplingfromconveyorbeltsandisbasedonasamplingmodelforone-dimensionallots.Nonetheless,proceduresforstaticsamplingfromthree-dimensionallotsareprovidedwherethesesituationscannotbeavoided.ThispartofISO11648isconcernedwiththemethodsofsamplingparticulatematerialsinbulkwiththeobjectiveofobtainingunbiasedmeasurementsofoneormorevariablesofthematerialwithaknowndegreeofprecision.However,itdoesnotprovidemethodsfordecidingwhethertoacceptorrejectabulkmateriallotwithspecifieddegreesofriskofacceptingasub-standardlot,orofrejectingwhatisinfactanacceptablelot.Theselatterproceduresareusuallycalledacceptancesamplingorsamplinginspectionmethods.
【中国标准分类号】:A80
【国际标准分类号】:03_120_30
【页数】:112P.;A4
【正文语种】:英语