1、BRITISH STANDARD BS EN 14069:2003 Liming materials Description and minimum requirements The European Standard EN 14069:2003 has the status of a British Standard ICS 65.080 BS EN 14069:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on 18 N
2、ovember 2003 BSI 18 November 2003 ISBN 0 580 42924 5 National foreword This British Standard is the official English language version of EN 14069:2003. The UK participation in its preparation was entrusted to Technical Committee CII/37, Fertilisers and related chemicals, which has the responsibility
3、 to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “Internation
4、al Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British
5、Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and Eu
6、ropean developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since
7、 publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN14069 November2003 ICS65.080 Englishversion LimingmaterialsDescriptionandminimumrequirements AmendementsminrauxbasiquesDescriptionet exigencesminimales Calcium/MagnesiumBodenverbesserungsmittel BeschreibungundMindest
8、anforderungen ThisEuropeanStandardwasapprovedbyCENon1October2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational
9、 standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe o
10、fficial versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUR
11、OPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN14069:2003EEN14069:2003(E) 2 Contents page Foreword3 Introduction .4 1 Scope 4 2 Normativereferences 4
12、 3 Termsanddefinitions. .4 4 Descriptionandminimumrequirementsforlimingmaterials 5 5 Analyticalmethods 6 6 Tolerances 6 7 Useofterms .6 8 Declaration7EN14069:2003(E) 3 Foreword Thisdocument(EN14069:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC260“Fertilizersandliming materials”,thesecretariatofwhic
13、hisheldbyDIN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMay2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby May2004. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsoft
14、hefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN14069:2003(E) 4 Introduction Throughout
15、themembercountriesofCEN,regularlimingtoregulatethesoilpHlevelandtoneutralizetheeffectof soilacidificationisawellestablishedandessentialagriculturaloperationonallsoilsinhumidclimatesandunderall systemsofagriculturalcultivation.Limingimprovessoilfertilityandsuppliesessentialplantnutrients. Limingmater
16、ialsarealsousedinforestliming,lakelimingandthelimingofwatercatchmentareas. AwiderangeofnaturalgeologicaldepositsoflimingmaterialsisfoundinallmembercountriesofCEN.Some industrialprocessesproducematerialsacceptableaslimingproducts.Thisverywiderangeofmaterialdiffers substantiallyinbothchemicalandphysic
17、alproperties.Theuseofthesevariousmaterialswillvaryaccordingtothe typeofmaterial. Consequently,itisnotpossibletospecifyallthepropertiesofthelimingmaterialsusedinEurope. However,forthepurposeofcomparisonoftheseproducts,itisnecessarytodescribeandspecifytheminimum requirementsofalimingmaterial. 1Scope T
18、hisEuropeanStandarddescribesandspecifiestheminimumrequirementsofproductsofnaturaloriginand productsfromindustrialprocessestobeusedaslimingmaterialsinagricultureforraisingthepHofsoilandwater. NOTE Allothercharacteristicswhichareimportantwhenassessingtheirvaluewillvaryfromcountrytocountry,and shouldal
19、waysbedeclaredandconformtotherelevantnationallegislation. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subseque
20、ntamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN129441, FertilizersandlimingmaterialsandsoilimproversVocabularyPart1:Generalterms.
21、 EN129443, FertilizersandlimingmaterialsVocabularyPart3:Termsrelatingtolimingmaterials. EN12945, LimingmaterialsDeterminationofneutralizingvalueTitrimetricmethods. EN12946,LimingmaterialsDeterminationofcalciumcontentandmagnesiumcontentComplexometric method. EN12947, LimingmaterialsDeterminationofmag
22、nesiumcontentAtomicabsorptionspectrometricmethod. EN143972, FertilizersandlimingmaterialsDeterminationofcarbondioxidePart 2:Methodforliming materials. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN129441,EN12 9443andthe followingapply.EN14069:2003(E) 5 3.1
23、 carbonateconversionlime materialcontainingcalciumcarbonateasanessentialcomponent,obtainedbytheconversionofcalcium ammoniumnitrateinthefertilizerindustry NOTE ItisforeseentoincludethisdefinitioninEN129443,aswell,duringitsfirstrevision. 4 Descriptionandminimumrequirementsforlimingmaterials SeeTables1
24、and2. Table1Productsofnaturalorigin Denomination Mainchemical component(s) Description Minimum requirements (NVexpressedonadry matterbasis) Limestone Calciumcarbonate Sedimentaryormetamorphicrocks NV45 Chalk Calciumcarbonate Sedimentaryrocks(bryozoainclusive) NV45 Dolomiticlimestone Calciumcarbonate
25、 andmagnesium carbonate Sedimentaryormetamorphicrocks NV48 Mg 10% (massfraction) Magnesianlimestone Calciumcarbonate andmagnesium carbonate Sedimentaryormetamorphicrocks NV45 Mg2%to10% (massfraction) Slakedlime or Hydratedlime Calciumhydroxide and/or Calciummagnesium hydroxide Materialproducedthroug
26、hcontrolledreaction betweenquicklimeandwater(slaking) NV65 Mixedlime Oxides,hydroxides andcarbonatesof calciumand/or calciummagnesium. Accordingtothecomponentsofthematerials statedabove NV45 NOTE1 NVistheneutralizingvalue. NOTE2 TheMgcontent,givenasamassfraction,canbeexpressedasMgObymultiplicationwi
27、ththefactor1,66.EN14069:2003(E) 6 Table2Productsfromindustrialprocesses Denomination Mainchemical component(s) Description Minimum requirements (NVexpressedonadry matterbasis) Carbonateconversion lime Calciumcarbonate Materialobtainedbyconversionofcalcium ammoniumnitrateinfertilizerindustry NV45 Bla
28、stfurnacelime Calciumsilicateand magnesiumsilicate Materialobtainedfromblastfurnaceslag NV42 Converterlime Calciumand magnesiumsilicates andoxides Materialobtainedfrombasicoxygenfurnaceslag NV40 Converterlimefrom ladleslag Calciumand magnesiumsilicates andoxides Materialobtainedbysievingofdisintegra
29、tedladle slagfromthetreatmentofunalloyed/lowalloyed ladleslags NV40 Sugarfactorylime Calciumcarbonate Precipitateofcalciumcarbonateresultingfromthe carbonationofslakedlimeduringtheprocessof sugarjuicepurification NV37 NOTE NVistheneutralizingvalue. 5Analytical methods Theanalysisofthelimingmaterials
30、shallbecarriedoutaccordingtoEN 1 2945, EN12946, EN12947 and EN143972. 6Tolerances 6.1 AlltheneutralizingvalueslistedinTables1and2areminimumvaluesandarenotsubjecttoatolerance. 6.2 Producerscanspecifyahigherfigureforneutralizingvalueandmagnesiumwiththefollowingtolerances: 2,5 unit sinthecaseofneutrali
31、zingvalue; 0,5g/100ginthecaseofmagnesium,expressedasMg, butshallalwaysconformtotheminimumvaluesgiveninTables1and2. 7 Useofterms 7.1 Theuseoftermssuchaslimestone,chalk,dolomiteetc.shallalwaysbeinaccordancewiththegeological originoftheproductforproductsofnaturaloriginandinaccordancewiththeindustrialpr
32、ocessforotherliming materials. 7.2 Theterm“magnesian”shallbeusedonlyiftheMgcontentoftheproduct,givenasamassfraction,is between2%and10%Mg.ForburntmagnesiumlimetheMgcontentshallbehigherthan10%(massfraction). 7.3 Theterm“dolomitic”shallbeusedonlyiftheMgcontentoftheproduct,givenasamassfraction,isatleast
33、 10%.EN14069:2003(E) 7 8Declaration 8.1 AlthoughtheminimumrequirementsforNeutralizingValueandMagnesiuminthisEuropeanStandardare expressedonadrymatterbasis,atpointofsaletheNeutralizingValueandMgshallbedeclaredonanAS DELIVEREDbasiswiththeappropriateadjustmentsmadetotakeaccountofthemoisturecontent. 8.2
34、 ThesaleofmaterialconformingtothisEuropeanStandardshallbedeclaredinaccordancewiththe descriptioninTables1and2andshallmakereferencetothisstandard.BS EN 14069:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing
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