EN 13752:2003
(Main)Products used for treatment of water intended for human consumption - Manganese dioxide
Products used for treatment of water intended for human consumption - Manganese dioxide
This European standard is applicable to manganese dioxide used for treatment of water intended for human consumption. It describes the characteristics of manganese dioxide and specifies the requirements and the corresponding test methods for manganese dioxide. It gives information on its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Mangandioxid
Diese Europäische Norm gilt für Mangandioxid zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Mangandioxid und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Mangandioxid fest und gibt Hinweise auf entsprechende analytische Verfahren. Sie gibt Informationen für seine Anwendung in der Wasseraufbereitung.
Produits utilisés pour le traitement de l'eau destinée à la consommation humaine - Dioxyde de manganèse
La présente norme européenne est applicable au dioxide de manganèse utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques du dioxide de manganèse et spécifie les prescriptions et les méthodes d'essai correspondantes pour le dioxide de manganèse. Elle donne les informations pour son emploi dans le traitement de l'eau.
Izdelki, ki se uporabljajo za pripravo pitne vode – Manganov dioksid
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Izdelki, ki se uporabljajo za pripravo pitne vode – Manganov dioksidProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - MangandioxidProduits utilisés pour le traitement de l'eau destinée a la consommation humaine - Dioxyde de manganeseProducts used for treatment of water intended for human consumption - Manganese dioxide71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 13752:2003SIST EN 13752:2003en01-oktober-2003SIST EN 13752:2003SLOVENSKI
STANDARD
SIST EN 13752:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13752March 2003ICS 71.100.80English versionProducts used for treatment of water intended for humanconsumption - Manganese dioxideProduits utilisés pour le traitement de l'eau destinée à laconsommation humaine - Dioxyde de manganèseProdukte zur Aufbereitung von Wasser für denmenschlichen Gebrauch - MangandioxidThis European Standard was approved by CEN on 19 August 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13752:2003 ESIST EN 13752:2003
EN 13752:2003 (E)2ContentsForeword.31Scope.52Normative references.53Terms, definitions and symbols.54Description.55Physical properties.66Chemical properties.77Specific properties.78Test methods.79Labelling, transportation and storage.9Annex A (informative)
General information on manganese dioxide.11Annex B (normative)
General rules relating for safety.14Bibliography.15SIST EN 13752:2003
EN 13752:2003 (E)3ForewordThis document (EN 13752:2003) has been prepared by Technical Committee CEN/TC 164 "Water supply", thesecretariat of which is held by AFNOR.This European Standard shall be given the status of a national standard, either by publication of an identical text orby endorsement, at the latest by September 2003, and conflicting national standards shall be withdrawn at thelatest by September 2003.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovak Republic, Spain, Sweden, Switzerland and the United Kingdom.Annex A is informative and annex B is normative.SIST EN 13752:2003
EN 13752:2003 (E)4IntroductionIn respect of potential adverse effects on the quality of water intended for human consumption, caused by theproduct covered by this standard :a) this standard provides no information as to whether the product may be used without restriction in any of theMember States of the EU or EFTA ;b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulationsconcerning the use and/or the characteristics of this product remain in force.SIST EN 13752:2003
EN 13752:2003 (E)51 ScopeThis European Standard is applicable to manganese dioxide used for treatment of water intended for humanconsumption. It describes the characteristics of manganese dioxide and specifies the requirements and thecorresponding test methods for manganese dioxide. It gives information on its use in water treatment.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 12901, Products used for treatment of water intended for human consumption - Inorganic supporting andfiltering materials - Definitions.EN 12902, Products used for treatment of water intended for human consumption - Inorganic supporting andfiltering materials - Methods of
test.EN ISO 3696:1995, Water for analytical laboratory use - Specification and test methods (ISO 3696:1987).ISO 385-1, Laboratory glassware – Burettes – Part 1 : General requirements.ISO 6333, Water quality - Determination of manganese - Formaldoxime spectrometric method.3 Terms, definitions and symbolsFor the purposes of this European Standard, the terms, definitions and symbols given in EN 12901 apply.4 Description4.1 Identification4.1.1 Chemical nameManganese dioxide.4.1.2 Synonym or common namesManganese(IV) oxide, pyrolusite.4.1.3 Chemical formulaMnO2.NOTEManganese dioxide used as a catalytic filtering medium is a natural ore, usually pyrolusite. Manganese dioxide oresdiffer widely in their chemical composition depending on their origin. Most are composed of manganese dioxide together withsilica, alumina, iron oxide and numerous other elements present in varying proportions.SIST EN 13752:2003
EN 13752:2003 (E)64.1.4 CAS Registry number 1)Manganese dioxide : 1313-13-9.4.1.5 EINECS reference 2)Manganese oxides : 215-202-6.4.2 Commercial formManganese dioxide is a granular material usually available in two size ranges, 0,355 mm to 0,850 mm and0,50 mm to 1,00 mm.5 Physical properties5.1 AppearanceThe product is a granular material varying in colour from dark brown to dark grey to black depending upon itsorigin. It consists of amorphous grains which can be rounded or sub-angular.The product shall be generally homogeneous and shall be visibly free of extraneous matter.5.2 Particle size distributionThe particle size distribution shall be described by either :a) ¾ effective size : (d10) with a maximum deviation of ± 5 % ;¾ uniformity coefficient : (U) less than 1,5 ;¾ minimum size : (d1) with a limit deviation of ± 5 % ;NOTE 1The particle size can decrease during transportation and handling.orb) particle size range and mass fraction of oversize and undersize particles according to application.The maximum contents of oversize and undersize shall be a mass fraction of 5 % for application of the product inmultimedia filters and a mass fraction of 10 % for use in single media filters. See A.2.3 for examples of availableparticle sizes that are used.NOTE 2Other values can be necessary for certain applications.5.3 Density5.3.1 Bulk density looseThe bulk density loose shall be in the range of 1 750 kg/m3 to 1 850 kg/m3.
1)Chemical Abstracts Service Registry Number.2)European Inventory of Existing Commercial Chemical Substances.SIST EN 13752:2003
EN 13752:2003 (E)75.3.2 Bulk density packedThe bulk density packed shall be in the range of 1 950 kg/m3 to 2 050 kg/m3.6 Chemical propertiesFor the composition of the commercial product see A.2.1.NOTE 1After filling, washing and commissioning of a filter system producing drinking water, manganese dioxide should notincrease the concentrations of chemical parameters above the regulated values (see [1]).NOTE 2Water extractable substances, determined in accordance with the method for granular materials given in EN 12902,can be used to estimate the leaching of the chemicals specified in EN 12902.7 Specific propertiesThe oxidation capacity of manganese dioxide shall be at least 500 bed volumes when tested according to themethod described in 8.2.4.8 Test methods8.1 SamplingPrepare the laboratory sample(s) required by the relevant procedure described in
EN 12902.8.2 Analysis8.2.1 Particle size distributionThe particle size distribution shall be determined on samples taken at the point of manufacture using the method oftest given in EN 12902.8.2.2 Bulk density looseThe bulk density loose shall be determined in accordance with EN 12902.8.2.3 Bulk density packedThe bulk density packed shall be determined in accordance with EN 12902.8.2.4 Oxidation capacity8.2.4.1 PrincipleA solution of manganese sulfate is passed through a bed of “regenerated” manganese dioxide. Portions of theeffluent are analysed for manganese and the cumulative volume, until breakthrough of manganese, is determined.8.2.4.2 Reagents8.2.4.2.1 GeneralAll reagents shall be of a recognized analytical grade and the water used shall conform to grade 2 in accordancewith EN ISO 3696:1995.SIST EN 13752:2003
EN 13752:2003 (E)88.2.4.2.2 Manganese sulfate stock solution, 5 mg/lDissolve 1,00 g
of sodium hydrogen carbonate (NaHCO3) in water and add 0,1538 g of manganese sulfatemonohydrate (MnSO4.H2O). Dilute to 10 l with water and adjust the pH to 7,0 ± 0,5 using dilute sulfuric acid orsodium hydroxide solution as required.8.2.4.2.3 Manganese sulfate test solution, 1 mg/lDilute 2 l of the manganese sulfate stock solution (8.2.4.2.2) to 10 l with water and adjust the pH to 7,0 ± 0,5 usingdilute sulfuric acid or sodium hydroxide solution as required.8.2.4.2.4 Sodium hypochlorite solution, approximately 1 200 mg/l Cl2Dilute 10 ml of sodium hypochlorite solution, available chlorine concentration approximately 120 g/l to 1 l withwater.8.2.4.3 ApparatusOrdinary laboratory apparatus and glassware together with the following.8.2.4.3.1Glass burette of 50 ml capacity conforming to the requirements of ISO 385-1.8.2.4.3.2Graduated measuring cylinder, 200 ml capacity.8.2.4.3.3Borosilicate glass bottle, 10 l capacity.8.2.4.4 Preparation of test sampleTake approximately 100 g of the manganese dioxide and sieve to obtain that fraction of the material sized between0,355 mm and 0,850 mm, using
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