ISO 00771-2021.docx
INTERNATIONA1.STANDARDISO771editionSeCOnd202103Oi1.seedmea1.s-Determinationofmoistureandvo1.ati1.emattercontentTourteauxdegraineso1.6QgineUSeSDeterminationdeIaCeneuroneaue1.enma1.iresvo1.ati1.esRMacnccTttUnatta-I(E)8 Expressionofresu1.tsMethodofca1.cu1.ationandformu1.aThemoistureandvo1.ati1.emattercontentw,asamassfractioningramsper100g,isgivenbyFwf1.Hrfamf+):m2100!JU-mimowhere/noisthemass,ingrams,ofthevesse1.;miisthemass,ingrams,ofthevesse1.andtestportionbeforedrying;miisthemass,ingrams,ofthevesse1.andtestportionafterdrying.UPVfe1.YVi'ace.fromthe2repsifrepeatabi1.ityconditionsaresatisfied(9.2)andexpresstheresu1.t9 Precision9.1 Resu1.tsofinter1.aboratorj,testDetai1.sofaninter1.aboratorytestontheprecisionofthemethodaresummarizedinAnnexA.Theva1.uesdAwedthanfronithbvcniter1.aboratorytestmightnotbeapp1.icab1.etoconcentrationrangesandmatrices9.2 Repeatabi1.ityTheabso1.utedifferencebet¼,eentwoindependentsing1.etestresu1.ts,obtainedusingthesamemethod<mIidentii1.xHQdtafititBridhviiUdtEtsnoneIdiwrstbiy1.tajKiirasgEdidepehaiDrthinggiveftrtiwuipmentwithinformeanva1.ue1.essthan4,0%(inmassfraction):r-0,2%;一formeanva1.uemorethan4,0%(inmassfraction):r=0,018X+0,13(secFigureA.1.).With,correspondingtothemeanva1.ueoftworeps.Someexamp1.esofrva1.uesaregiveninAnnexB.9.3 RePrOdUCibi1.iBTheabso1.utedifferencebet¼,eentwosing1.etestresu1.ts,obtainedusingthesamemethodonidentica1.tBerehMtria1.%inoidrfi4wBtdabnrthonWithgiWK1.tb1.feY回toperatOrSusingdifferentequipment,wi1.1.innotformeanva1.ue1.essthan4,0%(inmassfraction):R=0,41.;formeanva1.uemorethan4,0%(inmassfraction)：R=0,033x+0,27(seeFigure.1.).With,correspondingtothemeanva1.ueoftworeps.Someexamp1.esofRva1.uesaregiveninAnnexB.10 TestreportThetestreportsha1.1.specify:a) a1.1.informationnecessaryforthecomp1.eteidentificationofthesamp1.e；b) thetestmethodusedwithreferencetothisdocument,i.e.ISO771:2021;c) 011acinddg)Eh1.tcMnddsnftvdin11uehaM1.dbcr0Hiiit;orregardedasoptiona1.,togetherwithdetai1.sd)thetestresu1.t(三)obtained;e)thedateofthetest.AnnexA(informative)Resu1.tsofaninternationa1.co1.1.aborativetria1.hd632anc1.thd725E2ts1.ab1.ishyUbrat1.ririfit>QriAoptedtBH.ti!eiodtdst3,ji1.ft'M<wuxdanccsamp1.eswereusedinthetestA: Expe1.1.errapeseedmea1.B: Rapeseedmea1.C: Driedrapeseedmea1.D：Expe1.1.ersunf1.owermea1.1 :Post-extractionsunf1.owermea1.2 :Sunf1.owermea1.3 :Driedsunf1.owermea1.4 :Groundexpe1.1.ersoyamea1.5 :Soyamea1.Theresu1.tsoftheinter1.aboratorytestsarcgiveninTab1.eA.1.Tab1.eA.1.Summarjrofstatistica1.resu1.ts(resu1.tsing/100g)Samp1.eBCDEFGHINNumberofparticipating1.aboratories()n111111111111111111ZMeanva1.uem4,5711f828,IS6,047,8112,168,096,1710,94SrCv,Repeatabi1.ity1.imitg0,200,180,120.2201.160,340,220,150,16SRCV.Rfe三¾)，%,bA斜网a,丽0.K6i1A融(x2,8)Y(r.R)1001rva1.ues6 Rva1.ues7 r1.imit8 1.imit9 r1.inearregression10 R1.inearregiessionEquationcorrespondstotherandR1.imitIromrandRva1.uesobtainedduringtheinternationa1.co1.1.aborativetria1.FigureA.1.Re1.ationbetween(r,R)andmoistureandvo1.ati1.ematterAnnexB(informative)Examp1.esofrandRva1.uesAveragerangerR<4,00.200,4012,4to12,70.360,6912,7to13,00.360,70Bib1.iography1 ISO5500,Oi1.seedresiduesSamp1.ing2 precision)ofmeasurementmethodsandresu1.tsPart1:3 就皿函2fg心画1曲f1.除nM修理d蝴灯峙琼幽1.11f汕硼榆曲曲正小施拙州朝PP憎哝1.gthod
