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文档简介
ICS77.150.99CCSH64
YS
NonferrousMetalIndustryStandardofthe
People'sRepublicofChina
YS/T1552—2022
Crudelithiumcarbonate粗碳酸锂
(EnglishTranslation)
Issuedate:2022-09-30Implementationdate:2023-04-01
IssuedbyMinistryofIndustryandInformationTechnologyofthePeople'sRepublicofChina
I
YS/T1552—2022
Foreword
SAC/TC243isinchargeofthisEnglishtranslation.IncaseofanydoubtaboutthecontentsofEnglishtranslation,theChineseoriginalshallbeconsideredauthoritative.
ThisdocumentisdraftedinaccordancewiththerulesgivenintheGB/T1.1—2020Directivesforstandardization—Part1:Rulesforstructureanddraftingofstandardizationdocuments.
Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.Theissuingbodyofthisdocumentshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.
ThisdocumentwasproposedandpreparedbySAC/TC243NationalTechnicalCommitteeofStandardizationforNonferrousMetals.
1
YS/T1552—2022
Crudelithiumcarbonate
1Scope
Thisdocumentspecifiestechnicalrequirements,testmethods,inspectionrules,marking,packaging,transport,storage,accompanyingdocumentsandpurchaseordersofcrudelithiumcarbonate.
Thisdocumentisapplicabletothecrudelithiumcarbonateprocessedorrecoveredfromlithium-containingminerals,lithiumionbatterywastesandotherlithium-containingmaterials.
2Normativereferences
Thefollowingreferenceddocumentsareindispensablefortheapplicationofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.
GB/T6284,Chemicalproductsforindustrialuse—Generalmethodfordeterminationofwatercontent—Thelossofmassondryingmethod
GB/T8170,Rulesofroundingofffornumericalvalues&expressionandjudgementoflimitingvalues
3Termsanddefinitions
Notermsnordefinitionsarelistedinthisdocument.
4Technicalrequirements
4.1Chemicalcomposition
ThechemicalcompositionsoftheproductshallbeasspecifiedinTable1.Table1—Chemicalcompositions
Massfraction,%
Li2CO3
Content,
notless
than
Impuritycontents,notmorethan
Na
Fe
Ca
Mg
P
F
As
Cd
Pb
SO42-
Cl-
Acid
insoluble
80.0
2.0
0.1
1.0
2.0
0.5
0.5
0.1
0.01
0.01
3.0
0.5
0.5
Note:Chemicalcompositionanalysisisbasedondrybasis.
4.2Moisturecontent
Themoisturecontentoftheproductshallbenotmorethan30%.
4.3Appearancequality
Theproductshallbewhite,pale,graypowder-shapedorblock-shapedwithoutanyvisibleinclusions.
2
YS/T1552—2022
5Testmethods
5.1Themethodofchemicalcompositionanalysisoftheproductshallbeagreedbythesupplierand
purchaser.
5.2ThemoisturecontentoftheproductshallbedeterminedaccordingtoGB/T6284.
5.3Theappearancequalityoftheproductshallbeinspectedvisually.
6Inspectionrules
6.1Inspectionandacceptance
6.1.1Theproductsshallbeinspectedbythesupplierorathird-partyqualityinspectiondepartment.Thesuppliershallensurethatthequalityoftheproductcomplieswiththeprovisionsofthisdocumentandthepurchaseorder.
6.1.2Thepurchasermayinspectthereceivedproductsaccordingtotheprovisionsofthisdocument.Iftheinspectionresultsdonotcomplywiththeprovisionsofthisdocumentandthepurchaseorder,thepurchasershallputforwardnonconformitytothesupplierwithin30daysfromthedateofreceiptoftheproducts,whichshallbeagreedbythesupplierandpurchaser.Incaseofanyarbitration,itshallbedeterminedornegotiatedbybothpartiesthroughjointsamplingforarbitrationat
thepurchaser'ssite.
6.2Lots
Theproductsshallbesubmittedforinspectioninlots.Thelotmethodshallbecarriedoutaccordingtothelotofincomingmaterialsfromsuppliersoragreedbythesupplierandpurchaseronsite.
6.3Inspectionitems
Eachlotofproductsshallbeinspectedforchemicalcomposition,moisturecontentandappearancequality.TheinspectionitemsandsamplingrulesshallbeasspecifiedinTable2.
Table2—Inspectionitemsandsamplingrules
Inspectionitems
Samplingrules
Clausenumberofthetechnicalrequirement
Clausenumberofthetestingmethods
Chemicalcompositions
6.4
4.1
5.1
Moisturecontent
4.2
5.2
Appearancequality
4.3
5.3
6.4Sampling
6.4.1Eachlotofproductsshallbesampledfromeachbag.Thesamplingamountofeachbagshall
benotlessthan0.2%.
3
YS/T1552—2022
6.4.2Thesamplingpointofeachbagshallbeevenlydistributedintothetop,middleandbottomthreepointsaccordingtoanydiagonallineonthesideofthebag.Asampledrillrodshallpenetratebothsidesofthepackagebagandthenrotate180degreestopullout.Andensurefullloadingofsampledrillrod.Ahandhammercanbeusedtoassistsamplingwhenmaterialsarenoteasytopenetrate.Eachsamplefromthedrillrodshallbepromptlypackedintoaplasticbagandsealed.
6.4.3Thewholelotofsamplesshallbeloadedintowovenbagsandsealed.Allsamplesineachlotshallbethoroughlymixedanddividedintoapproximately1.0kgbygridmethod.Thesamplesshallbedriedat105°C±2°Ctoconstantweight.Thesamplesshallbegroundedandpassedthrougha0.250mmstandardsieveandthreesamplesweretakenaftermixing,eachofwhichisnotlessthan100g.
6.4.4Eachofthreesamplesshallbeputintoacleansealedcontainerandlabeledrespectively.Onesampleforacceptanceanalysis,oneforthepurchasersampleandoneforthesuppliersample.Incaseofanyarbitration,itshallbenegotiatedbythesupplierandpurchaser.
6.5Inspectionresultsjudgement
6.5.1ThechemicalcompositionandmoisturetestresultsofproductshallbemodifiedasspecifiedinGB/T8170andjudgedbymodifiedvaluecomparisonmethod.
6.5.2Ifanyitemofthechemicalcompositionandmoisturetestresultsofproductsdoesnotconformtothisdocument,doublesamplingshallbecarriedoutinthelotandunqualifieditemsshallberetested.Ifoneitemisstillunqualified,thewholelotshallbejudgedunqualified.
6.5.3Iftheappearancequalityofproductsisunqualified,thelotofproductsshallbejudgedunqualified.
7Sign,packaging,transport,storage,andaccompanyingdocuments
7.1Marking
Theouterpackagingofproductsshouldindicate:
a)productname;
b)lotnumber;
c)netweight;
d)suppliername;
e)factoryaddress;
7.2Packaging
ProductsshouldbepackedinwovenbagslinedwithaluminumplasticbagsorPEbagsandsealedwithanetweightof200kg~500kgperbag.Itcanalsobepackedaccordingtotherequirementsofthepurchaser.
4
YS/T1552—2022
7.3Transport
Productsshallbehandledcarefullyduringtransport.Takemeasurestopreventfrombreaking,rainproof,waterproof,etc.
7.4Storage
Productsshallbestoredindry,ventilatedwarehousesfreeofcorrosivematerialsandshallnotbemixedforstoragewithacid,alkali,oilandotherchemicals.
7.5Accompanyingdocuments
Eachlotofproductsshallhaveaccompanyingdocuments,whichshallincludesupplierinformation,productinformation,thisdocumentnumber,productiondateorpackagingdate.Itshouldalsoinclude:
a)productwarranty:
•Mainperformanceandtechnicalparametersofproduct;
•Productcharacteristics(includingmanufacturingprocess
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