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1、T412om-06OFFICIALSTANDARD–1926SUGGESTEDMETHOD–1969OFFICIALTESTMETHOD–1983REVISED–1990REVISED–1994CORRECTED–1997REVISED–2002REVISED–2006?2006TAPPITheinformationanddatacontainedinthisdocumentwerepreparedbyatechnicalcommitteeoftheAssociation.ThecommitteeandtheAssociationassumen
2、oliabilityorresponsibilityinconnectionwiththeuseofsuchinformationordata,includingbutnotlimitedtoanyliabilityunderpatent,copyright,ortradesecretlaws.Theuserisresponsiblefordeterminingthatthisdocumentisthemostrecenteditionpublished.CAUTION:ThisTestMethodmayincludesafetyprecaut
3、ionswhicharebelievedtobeappropriateatthetimeofpublicationofthemethod.Theintentoftheseistoalerttheuserofthemethodtosafetyissuesrelatedtosuchuse.Theuserisresponsiblefordeterminingthatthesafetyprecautionsarecompleteandareappropriatetotheiruseofthemethod,andforensuringthatsuitab
4、lesafetypracticeshavenotchangedsincepublicationofthemethod.Thismethodmayrequiretheuse,disposal,orboth,ofchemicalswhichmaypresentserioushealthhazardstohumans.ProceduresforthehandlingofsuchsubstancesaresetforthonMaterialSafetyDataSheetswhichmustbedevelopedbyallmanufacturersand
5、importersofpotentiallyhazardouschemicalsandmaintainedbyalldistributorsofpotentiallyhazardouschemicals.Priortotheuseofthismethod,theusermustdeterminewhetheranyofthechemicalstobeusedordisposedofarepotentiallyhazardousand,ifso,mustfollowstrictlytheproceduresspecifiedbyboththema
6、nufacturer,aswellaslocal,state,andfederalauthoritiesforsafeuseanddisposalofthesechemicals.Moistureinpulp,paperandpaperboard1.Scopeandsignificance1.1Thefollowingprocedureappliestopulp,paper,paperboard,andpaperproducts,exceptthosecontainingsignificantquantitiesofmaterialsother
7、thanwaterthatarevolatileatlowerthan107°Cordegradeabove103°C.Moistureissignificantforeconomicreasonsandforitseffectonsuchpropertiesasprintability,shrinkage,dimensionalstability,physicalstrength,andpaperrunnability.1.2Thismethodshouldbefollowedto:1.2.1Determinetheamountofmoist
8、ureinalotofpulp,paperorpaperboardasan“asreceived”moisture.1.2.2Determinethe
