LY∕T 3205-2020 英文版 专用竹片炭



ICS79.020

B73

LY

LY/T2483—2015

Forestry IndustryStandardofthePeople'sRepublicofChina

LY/T3205—2020

Specialbamboocharcoalflake

专用竹片炭

(EnglishTranslation)

Issuedate:2020-03-30 Implementationdate:2020-10-01

IssuedbyNationalForestryandGrasslandAdministration

Foreword

SAC/TC263isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.

ThisstandardwasdraftedinaccordancewithGB/T1.1-2009.

ThisstandardwasproposedandpreparedbySAC/TC263,NationalTechnicalCommitteeonBambooandRattanofStandardizationAdministrationofChina.

1

Specialbamboocharcoalflake

1Scope

Thisdocumentspecifiesthetermsanddefinitions,classification,requirements,testmethods,inspectionrules,marking,packaging,storageandtransport.

Itisapplicabletobamboocharcoalflakesforpurposesoffoodcontact,waterqualityanddietaryqualityimprovement,butnotforanyedibleapplications.

2NormativeReferences

Thefollowingdocuments,inwholeorinpart,arenormativelyreferencedinthisdocumentandareindispensableforitsapplication.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.

GB/T12496.8-1999Testmethodsofwoodenactivatedcarbon—DeterminationofiodinenumberGB/T5750.11Standardexaminationmethodsfordrinkingwater-DisinfectantsparameterGB/T24525-2009Methodfordeterminationofspecificresistanceofcarbonmaterials

GB/T26913-2011Bamboocharcoal

GB31604.7NationalFoodSafetyStandard-FoodContactMaterialsandArticles-DecolorizationTest

GB31604.49NationalFoodSafetyStandard-FoodContactMaterialsandArticles-DeterminationofArsenic,Cadmium,ChromiumandLead;MigrationofArsenic,Cadmium,Chromium,Nickel,Lead,AntimonyandZincLY/T1929-2010Testontheelementaryphysicalandchemicalpropertiesofbamboocharcoal

BB/T0049-2008Mineraldesiccantforpackaging

3Termsanddefinitions

Forthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.

3.1

specialbamboocharcoalflake

Bamboocharcoalflakepreparedbycarbonizingbamboomaterials,mainlyusedforthepurposeoffoodstorage,ricecookingordrinkingwaterqualityimprovement

3.2

capabilityofunitadsorption

Theactualcapabilityofmoistureadsorptionbyasingleunitofbamboocharcoalflakeinstandardatmosphericconditions(25℃±2℃,101.325kPa)

[BB/T0049-2008,3.3Termsanddefinitions]

4Classification

4.1Classificationaccordingtotheappearance

a）node-freebamboocharcoalflakeb）nodedbamboocharcoalflake

4.2Classificationaccordingtotheapplications

4

a)bamboocharcoalflakeforfoodstorage

b)bamboocharcoalflakefordrinkingwaterqualityimprovement

c)bamboocharcoalflakeforcooking

5Requirements

5.1Appearancerequirement

Blackwithnopeculiarsmell.

5.2Dimensions

Length:15mm-50mm,Width:30mm-200mm.Otherdimensionscanbeprovidedinotherspecificationuponagreementbysupplierandpurchaser.

5.3Specificpropertiesrequirements

Requirementsonmoisturecontent,electricalresistance,ashcontent,fixedcarboncontent,iodineadsorptionvalue,totalarsenic,lead,cadmiumandchromium,capabilityofunitadsorption,augmentationofsolublepotassium,calcium,sodium,andmagnesiuminwater,pHvalue,anddecolorizationtestarelistedintable1.

Table1Requirementsofphysicalandchemicalpropertiesofbamboocharcoalflakes

No.

Item

Unit

Description

GradeI

GradeII

1

Moisturecontent

%

≤8

≤10

2

Electricalresistance

μΩ·m

≤109

≤1011

3

Ashcontent

%

≤3.5

≤5.5

4

Fixedcarboncontent

%

≥85.0

≥75.0

5

Iodineadsorptionvalue

g/100g

≥285

≥200

6

As,Totalarsenic

mg/kg

≤3

7

Pb,lead

mg/kg

≤10

8

Cd,cadmium

mg/kg

≤1

9

Cr,chromium

mg/kg

≤1

10

Capabilityofunita

adsorption

g

≥6.00

≥4.00

11

Augmentationofsolublepotassium,calcium,sodium,

andmagnesiuminwaterb，c

mg/kg

≥35.0

≥24.0

12

pHvalueb

/

7.0≤pH≤10

13

Decolorizationtestc

/

Cleanandclearliquid(afterbamboocharcoal

flakesoakedinwater)

Note:

a:applicabletobamboocharcoalflakeforfoodstorage,

b:applicabletobamboocharcoalflakefordrinkingwaterqualityimprovement,c:applicabletobamboocharcoalflakeforcooking.

6Testmethods

6.1Appearanceinspection

Putsamplesofbamboocharcoalflakesundernaturallight,andthenobserveanddecidethesamplebysenseofsightandsmell.

6.2Determinationofmoisturecontent

MoisturecontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.3ofGB/T26913-2011.

6.3Determinationofelectricalresistance

ElectricalresistanceshallbedeterminedinaccordancewithmethodspecifiedinClause4.3ofGB/T24525-2009.

6.4Determinationofashcontent

AshcontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.4ofGB/T26913-2011.

6.5Determinationoffixedcarboncontent

FixedcarboncontentshallbedeterminedinaccordancewithmethodspecifiedinClause6.6ofGB/T26913-2011.

6.6Determinationofiodineabsorptionvalue

IodineabsorptionvalueshallbedeterminedinaccordancewithGB/T12496.8-1999.

6.7Determinationoftotalarseniccontent

TotalarseniccontentshallbedeterminedinaccordancewithGB31604.49.

6.8Determinationofleadcontent

LeadcontentshallbedeterminedinaccordancewithGB31604.49.

6.9Determinationofcadmiumcontent

CadmiumcontentshallbedeterminedinaccordancewithGB31604.49.

6.10Determinationofchromiumcontent

ChromiumcontentshallbedeterminedinaccordancewithGB31604.49.

6.11Determinationofcapabilityofunitadsorption

CapabilityofunitadsorptionshallbedeterminedinaccordancewithBB/T0049-2008.

6.12Determinationofaugmentationofsolublepotassium,calcium,sodium,andmagnesiuminwaterAugmentationofsolublepotassium,calcium,sodium,andmagnesiuminwatershallbedeterminedinaccordancewithGB5750.11.

6.13DeterminationofpHvalue

pHvalueshallbedeterminedinaccordancewithmethodspecifiedinClause4.6ofLY/T1929-2010.

6.14Determinationofdecolorizationtest

DecolorizationtestshallbedeterminedinaccordancewithGB31604.7.

7Inspectionrules

7.1Batchandsampling

7.1.1Batch

Aquantityorconsignmentofbamboocharcoalflakesofsamespecifications,producedfrombasicallythesamebamboomaterialsandproductionprocess,canberegardedasonebatch.Samplingconductedinabatch.

7.1.2Sampling

Conductrandomsamplingfromonebatch.Aminimum1.0kgofsampleshallbesampledforeachbatch,andthensplititintotwoparts,sealitseparatelyinaclean,drybags,andlabelit.onebagisforanalysis,andtheotherreservedforre-inspection.Theinformationoflabelincludes:samplenameandserialnumber,productionshiftteam,batchnumber,grade,samplingdate,andsamplecollector.

7.2Inspection

Factoryinspectionandtypeinspectionareapplicabletoproductinspection.

7.2.1Factoryinspection

Factoryinspectionshallbeconductedforeachbatchofbamboocharcoalflakes.Theanalysisitemscontains:appearance,moisturecontent,electricalresistance,ashcontent,fixedcarboncontent,iodineadsorptionvalue,totalarsenic,lead,cadmiumandchromium,capabilityofunitadsorption,augmentationofsolublepotassium,calcium,sodium,andmagnesiuminwater,pHvalue,anddecolorizationtest.

7.3Typeinspection

Inspectionitemscoverallrequirementsspecifiedinthisdocument.Typeinspectionshallbeconductedincaseofanyofthefollowingsituations:

a)Restartingproductionafteralong-termproductionhalt;

b)Changesinrawmaterialsormajorproductionprocessesthatmayaffecttheproductquality;

c)Typeinspectionrequestedbystatequalitysupervisionadministrations;

d)Majordifferenceoccurredbetweendeliveryinspectionandprevioustypeinspectionresults;

7.4Decisionrule

Abatchofbamboocharcoalproductcanberuledasqualifiedproductwhentheinspectionresultsofproductappearance,dimensionsandspecificpropertiesareinaccordancewiththerequiremen