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BSISO162972013MILKBACTERIALCOUNTPROTOCOLFORTHEEVALUATIONOFALTERNATIVEMETHODSLAITDNOMBREMENTBACTRIENPROTOCOLEPOURLVALUATIONDESMTHODESALTERNATIVESINTERNATIONALSTANDARDFIRSTEDITION20130601ISOANDIDF2013REFERENCENUMBERSISO162972013EIDF1612013EISO16297IDF161LICENSEDCOPYMRUNIVERSITITEKNOLOGIMALAYSIAUSER,UNIVERSITITEKNOLOGIMALAYSIA,27/06/20130701,UNCONTROLLEDCOPY,CTHEBRITISHSTANDARDSINSTITUTION2013BSISO162972013ISO162972013EIDF1612013EIIISOANDIDF2013ALLRIGHTSRESERVEDCOPYRIGHTPROTECTEDDOCUMENTISO/IDF2013ALLRIGHTSRESERVEDUNLESSOTHERWISESPECIFIED,NOPARTOFTHISPUBLICATIONMAYBEREPRODUCEDORUTILIZEDOTHERWISEINANYFORMORBYANYMEANS,ELECTRONICORMECHANICAL,INCLUDINGPHOTOCOPYING,ORPOSTINGONTHEINTERNETORANINTRANET,WITHOUTPRIORWRITTENPERMISSIONPERMISSIONCANBEREQUESTEDFROMEITHERISOORIDFATTHERESPECTIVEADDRESSBELOWORISOSMEMBERBODYINTHECOUNTRYOFTHEREQUESTERISOCOPYRIGHTOFFICEINTERNATIONALDAIRYFEDERATIONCASEPOSTALE56CH1211GENEVA20SILVERBUILDINGBDAUGUSTEREYERS70/BB1030BRUSSELSTEL41227490111TEL3227339888FAX41227490947FAX3227330413EMAILCOPYRIGHTISOORGEMAILINFOFILIDFORGWEBWWWISOORGWEBWWWFILIDFORGPUBLISHEDINSWITZERLANDLICENSEDCOPYMRUNIVERSITITEKNOLOGIMALAYSIAUSER,UNIVERSITITEKNOLOGIMALAYSIA,27/06/20130701,UNCONTROLLEDCOPY,CTHEBRITISHSTANDARDSINSTITUTION2013BSISO162972013ISO162972013EIDF1612013EISOANDIDF2013ALLRIGHTSRESERVEDIIICONTENTSPAGEFOREWORDIVINTRODUCTIONVI1SCOPE12NORMATIVEREFERENCES13TERMSANDDEFINITIONS14TRANSFORMATIONOFRESULTS15ATTRIBUTESOFTHEALTERNATIVEMETHOD251DESCRIPTIONOFTHEMETHODTOBEEVALUATED252MEASURINGRANGE253CARRYOVER354STABILITY555PRECISION56THEALTERNATIVEMETHODASANESTIMATEOFTHEREFERENCEMETHOD661EVALUATIONOFFACTORSAFFECTINGTHEESTIMATION662MEASUREMENTPROTOCOL763CALCULATIONS764ATTRIBUTESOFTHEALTERNATIVEMETHODEXPRESSEDINUNITSOFTHEREFERENCEMETHOD107RATINGOFTHEELABORATEDATTRIBUTES10ANNEXAINFORMATIVEEXPRESSIONOFPRECISIONPARAMETERS11BIBLIOGRAPHY13LICENSEDCOPYMRUNIVERSITITEKNOLOGIMALAYSIAUSER,UNIVERSITITEKNOLOGIMALAYSIA,27/06/20130701,UNCONTROLLEDCOPY,CTHEBRITISHSTANDARDSINSTITUTION2013BSISO162972013ISO162972013EFOREWORDISOTHEINTERNATIONALORGANIZATIONFORSTANDARDIZATIONISAWORLDWIDEFEDERATIONOFNATIONALSTANDARDSBODIESISOMEMBERBODIESTHEWORKOFPREPARINGINTERNATIONALSTANDARDSISNORMALLYCARRIEDOUTTHROUGHISOTECHNICALCOMMITTEESEACHMEMBERBODYINTERESTEDINASUBJECTFORWHICHATECHNICALCOMMITTEEHASBEENESTABLISHEDHASTHERIGHTTOBEREPRESENTEDONTHATCOMMITTEEINTERNATIONALORGANIZATIONS,GOVERNMENTALANDNONGOVERNMENTAL,INLIAISONWITHISO,ALSOTAKEPARTINTHEWORKISOCOLLABORATESCLOSELYWITHTHEINTERNATIONALELECTROTECHNICALCOMMISSIONIECONALLMATTERSOFELECTROTECHNICALSTANDARDIZATIONINTERNATIONALSTANDARDSAREDRAFTEDINACCORDANCEWITHTHERULESGIVENINTHEISO/IECDIRECTIVES,PART2THEMAINTASKOFTECHNICALCOMMITTEESISTOPREPAREINTERNATIONALSTANDARDSDRAFTINTERNATIONALSTANDARDSADOPTEDBYTHETECHNICALCOMMITTEESARECIRCULATEDTOTHEMEMBERBODIESFORVOTINGPUBLICATIONASANINTERNATIONALSTANDARDREQUIRESAPPROVALBYATLEAST75OFTHEMEMBERBODIESCASTINGAVOTEATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSISOSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSISO16297|IDF161WASPREPAREDBYTECHNICALCOMMITTEEISO/TC34,FOODPRODUCTS,SUBCOMMITTEESC5,MILKANDMILKPRODUCTSANDTHEINTERNATIONALDAIRYFEDERATIONIDFITISBEINGPUBLISHEDJOINTLYBYISOANDIDFIDF1612013EIVISOANDIDF2013ALLRIGHTSRESERVEDLICENSEDCOPYMRUNIVERSITITEKNOLOGIMALAYSIAUSER,UNIVERSITITEKNOLOGIMALAYSIA,27/06/20130701,UNCONTROLLEDCOPY,CTHEBRITISHSTANDARDSINSTITUTION2013BSISO162972013ISO162972013EFOREWORDIDFTHEINTERNATIONALDAIRYFEDERATIONISANONPROFITORGANIZATIONREPRESENTINGTHEDAIRYSECTORWORLDWIDEIDFMEMBERSHIPCOMPRISESNATIONALCOMMITTEESINEVERYMEMBERCOUNTRYASWELLASREGIONALDAIRYASSOCIATIONSHAVINGSIGNEDAFORMALAGREEMENTONCOOPERATIONWITHIDFALLMEMBERSOFIDFHAVETHERIGHTTOBEREPRESENTEDATTHEIDFSTANDINGCOMMITTEESCARRYINGOUTTHETECHNICALWORKIDFCOLLABORATESWITHISOINTHEDEVELOPMENTOFSTANDARDMETHODSOFANALYSISANDSAMPLINGFORMILKANDMILKPRODUCTSTHEMAINTASKOFSTANDINGCOMMITTEESISTOPREPAREINTERNATIONALSTANDARDSDRAFTINTERNATIONALSTANDARDSADOPTEDBYTHESTANDINGCOMMITTEESARECIRCULATEDTOTHENATIONALCOMMITTEESFORENDORSEMENTPRIORTOPUBLICATIONASANINTERNATIONALSTANDARDPUBLICATIONASANINTERNATIONALSTANDARDREQUIRESAPPROVALBYATLEAST50OFIDFNATIONALCOMMITTEESCASTINGAVOTEATTENTIONISDRAWNTOTHEPOSSIBILITYTHATSOMEOFTHEELEMENTSOFTHISDOCUMENTMAYBETHESUBJECTOFPATENTRIGHTSIDFSHALLNOTBEHELDRESPONSIBLEFORIDENTIFYINGANYORALLSUCHPATENTRIGHTSISO16297|IDF161WASPREPAREDBYTHEINTERNATIONALDAIRYFEDERATIONIDFANDTECHNICALCOMMITTEEISO/TC34,FOODPRODUCTS,SUBCOMMITTEESC5,MILKANDMILKPRODUCTSITISBEINGPUBLISHEDJOINTLYBYIDFANDISOALLWORKWASCARRIEDOUTBYJOINTISOIDFPROJECTGROUPS07OFTHESTANDINGCOMMITTEEONSTATISTICSANDAUTOMATIONUNDERTHEAEGISOFITSPROJECTLEADER,MRSIANDERSSONSETHISFIRSTEDITIONOFISO16297|IDF161CANCELSANDREPLACESIDF161A1995,WHICHHASBEENTECHNICALLYREVISEDIDF1612013EISOANDIDF2013ALLRIGHTSRESERVEDVLICENSEDCOPYMRUNIVERSITITEKNOLOGIMALAYSIAUSER,UNIVERSITITEKNOLOGIMALAYSIA,27/06/20130701,UNCONTROLLEDCOPY,CTHEBRITISHSTANDARDSINSTITUTION2013BSISO162972013ISO162972013EINTRODUCTIONANYQU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