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1、ICS67.060B22NationalStandardofthePeople1sRepublicofChinaGB13512023RepIaceGB13512008Wheat小麦(EnglishTranslation)Issue Date:2023-05-26ImpIementationDate:2023-12-01IssuedbyStateAdministrationforMarketRegulationStandardizationAdministrationofthePeoplesRepublicofChinaForwardNationaIFoodandStrategicReserve
2、sAdministrationisinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshaIIbeconsideredauthoritative.AlItechnicaIcontentsofthisdocumentaremandatory.ThisdocumentisdraftedinaccordancewiththerulesgivenintheGB/T1.12020Directivesforstandardiza17onPart1:R
3、ulesforthestructureanddraftingofstandardizingdocuments.ThisdocumentreplacestheGB13512008Wheatnwhole.ThemainchangescomparedwithGB13512008areasfoIIows:Definitionofthetermofdefectedkernelhasbeenchangedandnotedbythoseofinsect-boredkernel,diseasedkernel,blackpointkernel,fusariumdamagedkerneI,brokenkernel
4、,sproutedkernelandmouIdykernel(see3.2and3.2inedition2008).Thedefinitionofthetermofimpuritieshasbeenchangedandnotedbythoseofscreenings,inorganicimpuritiesandorganicimpurities(see3.3and3.3inedition2008).Definitionoftermsofcolourandbrightnessandodorhavebeenchanged(see3.4,3.5and3.4inedition2008).Definit
5、ionofthetermofwheathardnessindexhasbeenchanged(see3.7and3.7inedition2008); Termanddefinitionofheat-damagedkernehasbeenadded(see3.2); Termanddefinitionof*uselesswheat,hasbeenadded(see3.3); Descriptionofwheatclassesischanged.Alnote,hasbeenaddedtotheclasstmixedwheat*(seeClause4,Clause4inedition2008); G
6、radingfactortminerahasbeenreplacedwithtinorganicimpurities1inTable1(seeClause5,Clause5inedition2008); Testmethoddeterminationofmoisturecontent,hasbeenchanged.GB5009.3hasbeenaddedasthearbitrationmethod(see6.7,6.6inedition2008); Clausesrelatedtohygienerequirementshavebeenremoved(see5.2inedition2008).A
7、ttentionisdrawntothepossibiIitythatsomeoftheelementsofthisstandardmaybethesubjectofpatentrights.TheissuingbodyofthisdocumentshaIInotbeheldresponsibleforidentifyinganyoralIsuchpatentrights.ThisdocumentwasproposedandpreparedbyNationalFoodandStrategicReservesAdministration.Thepreviouseditionsofthisdocu
8、mentareasfoIIows:-GB1351-1986,GB1351-1999,GB1351-2008.Wheat1ScopeThisdocumentspecifiesthetermsanddefinitions,classification,quaIityrequirementrtestmethods,inspectionruIesandthelabeling,packaging,storageandtransportationrequirementforwheat.Thisdocumentisapplicabletothepurchase,storage,transportation,
9、processandsaleofcommerciaIwheat.ThisdocumentisnotapplicabletospecialwheatcategoriesotherthanthosespecifiedinClause4.2NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeoraIIoftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.
10、Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)appIies.GB5009.3,Nationalfoodsafetystandard-DeterminationofmoisturecontentinfoodGB/T5490,Inspectionofgrainandoi/-GeneralrulesGB/T5491,Inspectionofgrainandoilseed-SamplingandsamplingreductionGB/T5492,Inspectionofgrain
11、andoi/-Identificationofcolour,odourandtasteofgrainandoi!seedsGB/T5493,Inspectionofgrainandoi/-Determinationoftypepur7tyandthe7rmixtureGB/T5494-2019,Inspectionofgrainandoi/-Determinationofforeignmatteranddefectedkernelsofgrainandoi!seedsGB/T5497,Inspectionofgrainandoi/-DeterminationofmoisturecontentG
12、B/T5498,Inspectionofgrainandoi/-DeterminationoftestweightGB/T21304,Inspectionofgrainandoi/-Determinationofwheathardness-Hardnessindexmethod3 TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.3.1testweightmassofwheatkerneIsperunitvoIumeunderweIl-definedconditionsNot
13、e1toentry:TestweightisexpressedingramsperIitre(gL).3.2defectedkerneldamagedbutstillusefulwheatkerneINote1toentry:Itincludesinsect-boredkerneI.diseasedkernel/mottledkerneIfheat-damagedkernel,brokenkernel,sproutedkernel,andmouldykernel.Note2toentry:Insect-boredkernelisthekernelthatdamagedtoembryoorend
14、ospermowingtoattackbyinsects,rodents,mitesorotherpests.Note3toentry:DiseasedkerneIormottIedkernelisthekernelthatdamagedtoembryoorendospermandshowsvisiblemottIeonsurfaceowingtodisease.ItincludesbIackpointkernelandfusariumdamagedkernel.BlackpointkerneIiskernelthathasadistinetdarkbrownorblackdiscolorat
15、ionofthewholegermandsurroundingarea.FusariumdamagedkerneIisthekerneIthatisshrunkenandchalk_1ike,orhaspurplesurface,orhasavisiblepinkishmouldand/orblackperitheciumgrowthcausedbyFusariumheadblight.Note4toentry:Heat-damagedkerneIisthekerneIthatmaterialIydiscoloredordamagedbyheatfrommicroorganismsorothe
16、rcauses.Note5toentry:BrokenkernelisthekerneIorpieceofkerneIthatissquashedorbrokenwithdamagetoembryoorendosperm.Note6toentry:SproutedkerneIiskernelinwhichtheradicleorpIumuIehasnotsproutedoutbutthecoveringofthegermhassplited,ortheradicleorpIumuIehassproutedouttoclearlyvisiblebutisshorterthanthekerneIlength.Note7toentry:MouldykerneIisthekerneIwhichhasmould.3.3
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