LY/T2483—2015LYICS79.020B73ForestryIndustryStandardofthePeople'sRepublicofChinaLY/T3205—2020LYSpecialbamboocharcoalflake专用竹片炭(EnglishTranslation)Issuedate:2020-03-30Implementationdate:2020-10-01IssuedbyNationalForestryandGrasslandAdministration1ForewordSAC/TC263isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.ThisstandardwasdraftedinaccordancewithGB/T1.1-2009.ThisstandardwasproposedandpreparedbySAC/TC263,NationalTechnicalCommitteeonBambooandRattanofStandardizationAdministrationofChina.1Specialbamboocharcoalflake1ScopeThisdocumentspecifiesthetermsanddefinitions,classification,requirements,testmethods,inspectionrules,marking,packaging,storageandtransport.Itisapplicabletobamboocharcoalflakesforpurposesoffoodcontact,waterqualityanddietaryqualityimprovement,butnotforanyedibleapplications.2NormativeReferencesThefollowingdocuments,inwholeorinpart,arenormativelyreferencedinthisdocumentandareindispensableforitsapplication.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.GB/T12496.8-1999Testmethodsofwoodenactivatedcarbon—DeterminationofiodinenumberGB/T5750.11Standardexaminationmethodsfordrinkingwater-DisinfectantsparameterGB/T24525-2009MethodfordeterminationofspecificresistanceofcarbonmaterialsGB/T26913-2011BamboocharcoalGB31604.7NationalFoodSafetyStandard-FoodContactMaterialsandArticles-DecolorizationTestGB31604.49NationalFoodSafetyStandard-FoodContactMaterialsandArticles-DeterminationofArsenic,Cadmium,ChromiumandLead;MigrationofArsenic,Cadmium,Chromium,Nickel,Lead,AntimonyandZincLY/T1929-2010TestontheelementaryphysicalandchemicalpropertiesofbamboocharcoalBB/T0049-2008Mineraldesiccantforpackaging3TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.3.1specialbamboocharcoalflakeBamboocharcoalflakepreparedbycarbonizingbamboomaterials,mainlyusedforthepurposeoffoodstorage,ricecookingordrinkingwaterqualityimprovement3.2capabilityofunitadsorptionTheactualcapabilityofmoistureadsorptionbyasingleunitofbamboocharcoalflakeinstandardatmosphericconditions(25℃±2℃,101.325kPa)[BB/T0049-2008,3.3Termsanddefinitions]4Classification4.1Classificationaccordingtotheappearancea)node-freebamboocharcoalflakeb)nodedbamboocharcoalflake4.2Classificationaccordingtotheapplications2a)bamboocharcoalflakeforfoodstorageb)bamboocharcoalflakefordrinkingwaterqualityimprovementc)bamboocharcoalflakeforcooking5Requirements5.1AppearancerequirementBlackwithnopeculiarsmell.5.2DimensionsLength:15mm-50mm,Width:30mm-200mm.Otherdimensionscanbeprovidedinotherspecificationuponagreementbysupplierandpurchaser.5.3SpecificpropertiesrequirementsRequirementsonmoisturecontent,electricalresistance,ashcontent,fixedcarboncontent,iodineadsorptionvalue,totalarsenic,lead,cadmiumandchromium,capabilityofunitadsorption,augmentationofsolublepotassium,calcium,sodium,andmagnesiuminwater,pHvalue,anddecolorizationtestarelistedintable1.Table1RequirementsofphysicalandchemicalpropertiesofbamboocharcoalflakesNo.ItemUnitDescriptionGradeIGradeII1Moisturecontent%≤8≤102ElectricalresistanceμΩ·m≤109≤10113Ashcontent%≤3.5≤5.54Fixedcarboncontent%≥85.0≥75.05Iodineadsorptionvalueg/100g≥285≥2006As,Totalarsenicmg/kg≤37Pb,leadmg/kg≤108Cd,cadmiummg/kg≤19Cr,chromiummg/kg≤110Capabilityofunitaadsorptiong≥6.00≥4.0011Augmentationofsolublepotassium,calcium,sodium,andmagnesiuminwaterb,cmg/kg≥35.0≥24.012pHvalueb/7.0≤pH≤1013Decolorizationtestc/Cleanandclearliquid(afterbamboocharcoalflakesoakedinwater)3Note:a:applicabletobamboocharcoalflakeforfoodstorage,b:applicabletobamboocharcoalflakefordrinkingwaterqualityimprovement,c:applicabletobamboocharcoalflakeforcooking.6Testmethods6.1AppearanceinspectionPutsamplesofbamboocharcoalflakesundernaturallight,andthenobserveanddecidethesamplebysenseofsightandsmell.6.2DeterminationofmoisturecontentMoisturecontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.3ofGB/T26913-2011.6.3DeterminationofelectricalresistanceElectricalresistanceshallbedeterminedinaccordancewithmethodspecifiedinClause4.3ofGB/T24525-2009.6.4DeterminationofashcontentAshcontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.4ofGB/T26913-2011.6.5DeterminationoffixedcarboncontentFixedcarboncontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.6ofGB/T26913-2011.6.6DeterminationofiodineabsorptionvalueIodineabsorptionvalueshallbedeterminedinaccordancewithGB/T12496.8-1999.6.7DeterminationoftotalarseniccontentTotalarseniccontentshallbedeterminedinaccordancewithGB31604.49.6.8DeterminationofleadcontentLeadcontentshallbedeterminedinaccordancewithGB31604.49.6.9DeterminationofcadmiumcontentCadmiumcontentshallbedeterminedinaccordancewithGB31604.49.6.10DeterminationofchromiumcontentChromiumcontentshallbedeterminedinaccordancewithGB31604.49.6.11DeterminationofcapabilityofunitadsorptionCapabilityofunitadsorptionshallbedeterminedinaccordancewithBB/T0049-2008.6.12Determinationofaugmentationo