DIN EN ISO 12782-5-2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5 Extraction of humic substance.pdf

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1、September 2012 Translation by DIN-Sprachendienst.English price group 14No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).

2、ICS 13.080.10!$W“1915229www.din.deDDIN EN ISO 12782-5Soil quality Parameters for geochemical modelling of leaching and speciation ofconstituents in soils and materials Part 5: Extraction of humic substances from aqueous samples(ISO 12782-5:2012);English version EN ISO 12782-5:2012,English translatio

3、n of DIN EN ISO 12782-5:2012-09Bodenbeschaffenheit Parameter zur geochemischen Modellierung der Elution und Speziation von Bestandteilenin Bden und Materialien Teil 5: Extraktion von Huminstoffen aus wssrigen Proben (ISO 12782-5:2012);Englische Fassung EN ISO 12782-5:2012,Englische bersetzung von DI

4、N EN ISO 12782-5:2012-09Qualit du sol Paramtres pour la modlisation gochimique de la lixiviation et de la spciation desconstituants des sols et des matriaux Partie 5: Extraction des substances humiques des chantillons aqueux(ISO 12782-5:2012);Version anglaise EN ISO 12782-5:2012,Traduction anglaise

5、de DIN EN ISO 12782-5:2012-09www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 27 pages08.12 DIN EN ISO 12782-5:2012-09 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/

6、TC 190 “Soil quality” in collaboration with Technical Committee CEN/TC 345 “Characterization of soils” (Secretariat: NEN, Netherlands). The preliminary work was done by Working Group WG 6 “Leaching tests” of ISO/TC 190/SC 7 (Secretariat: DIN, Germany). The responsible German body involved in its pre

7、paration was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-01-02-05 UA Eluierungsverfahren of NA 119-01-02 AA Abfall- und Bodenuntersuchung. Germany voted against the publication of this series of standards, since the procedures used are not yet valid

8、ated. ISO 12782 consists of the following parts, under the general title Soil quality Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials: Part 1: Extraction of amorphous iron oxides and hydroxides with ascorbic acid Part 2: Extraction of crystallin

9、e iron oxides and hydroxides with dithionite Part 3: Extraction of aluminium oxides and hydroxides with ammonium oxalate/oxalic acid Part 4: Extraction of humic substances from solid samples Part 5: Extraction of humic substances from aqueous samples The DIN Standards corresponding to the Internatio

10、nal Standards referred to in this document are as follows: ISO 3696 DIN ISO 3696 ISO 5667-3 DIN EN ISO 5667-3 ISO 8245 DIN ISO 8245 ISO 11465 DIN ISO 11465 ISO/TS 21268-4 DIN ISO/TS 21268-4 (DIN SPEC 1131) National Annex NA (informative) Bibliography DIN ISO 3696, Water for analytical laboratory use

11、 Specification and test methods DIN EN ISO 5667-3, Water quality Sampling Part 3: Preservation and handling of water samples DIN ISO 8245, Water quality Guidelines for the determination of total organic carbon (TOC) DIN ISO 11465, Soil quality Determination of dry matter and water content on a mass

12、basis Gravimetric method DIN ISO/TS 21268-4 (DIN SPEC 1131), Soil quality Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil materials Part 4: Influence of pH on leaching with initial acid/base addition EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM June 201

13、2 ICS 13.080.05 English Version Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samplesQualit du sol - Paramtres pour la modlisation gochimique de la lixiviation et de la spcia

14、tion des constituants des sols et des matriaux - Partie 5: Extraction des substances humiques des chantillons aqueux Bodenbeschaffenheit - Parameter zur geochemischen Modellierung der Elution und Speziation von Bestandteilen in Bden und Materialien - Teil 5: Extraktion von Huminstoffen aus wssrigen

15、Proben (ISO 12782-5:2012) This European Standard was approved by CEN on 31 May 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists a

16、nd bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the

17、 responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germa

18、ny, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in a

19、ny form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12782-5:2012: E(ISO 12782-5:2012) (ISO 12782-5:2012)EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG EN ISO 12782-5ContentsPage Foreword . 3 Introduction . 4 1 Sc

20、ope . 6 2 Normative references 6 3 Terms and definitions 6 4 Principle 8 5 Apparatus 8 6 Reagents . 8 7 Sampling . 9 7.1 Laboratory sample . 9 7.2 Test sample . 9 7.3 Test portion . 9 8 Procedure 9 8.1 Preparation of DAX-8 resin . 9 8.2 Determination of total humic acid (HA), fulvic acid (FA) and hy

21、drophilic organic carbon (Hy) content in aqueous samples . 10 9 Eluate treatment and storage 10 10 Analytical determination . 10 11 Blank test 10 12 Calculation 11 12.1 General correction factors for the calculation of humic acid (HA), fulvic acid (FA), hydrophilic organic carbon (Hy) and hydrophobi

22、c neutral organic carbon (HON) in aqueous samples . 11 12.2 Concentration of total humic acid (HA), fulvic acid (FA), hydrophilic organic carbon (Hy) and hydrophobic neutral organic carbon (HON) concentrations in aqueous samples 12 13 Expression of results . 13 14 Test report . 13 15 Performance cha

23、racteristics . 13 Annex A (informative) Schematic representation of the fractionation procedure 14 Annex B (informative) Validation of procedure. 16 Annex C (informative) Conditions regarding centrifugation . 21 Bibliography 24 2DIN EN ISO 12782-5:2012-09EN ISO 12782-5:2012 (E) Foreword This documen

24、t (EN ISO 12782-5:2012) has been prepared by Technical Committee ISO/TC 190 Soil quality in collaboration with Technical Committee CEN/TC 345 “Characterization of soils” the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by public

25、ation of an identical text or by endorsement, at the latest by December 2012, and conflicting national standards shall be withdrawn at the latest by December 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC

26、 shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic,

27、 Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 12782-5:2012

28、has been approved by CEN as a EN ISO 12782-5:2012 without any modification. “ ”3DIN EN ISO 12782-5:2012-09 EN ISO 12782-5:2012 (E) Introduction,QDGGLWLRQWROHDFKLQJSURFHGXUHVIRUVXEVHTXHQWFKHPLFDODQGHFRWRLFRORJLFDOWHVWLQJRIVRLODQGRWKHUPDWHULDOV LQFOXGLQJ ZDVWH SUHGLFWLYH PRGHOV DUH EHFRPLQJ LQGLVSHQVD

29、EOH WRROV LQ WKH HQYLURQPHQWDO ULVNDVVHVVPHQWRIWKHVHPDWHULDOV0RGHOVDUHSDUWLFXODUOUHTXLUHGZKHQWKHUHVXOWVRIODERUDWRUOHDFKLQJWHVWVDUHWREHWUDQVODWHGWRVSHFLFVFHQDULRVLQWKHHOGZLWKUHJDUGWRDVVHVVLQJWKHULVNVRIERWKFRQWDPLQDQWPLJUDWLRQDQGELRDYDLODELOLW,QWKHSDVWIHZHDUVJHRFKHPLFDOPRGHOVKDYHEHHQVKRZQWREHYDOXDEOHW

30、RROVWREHFRPELQHGZLWKWKHGDWDREWDLQHGIURPFKDUDFWHULDWLRQOHDFKLQJVWDQGDUGVVXFKDVS+GHSHQGHQFHDQGSHUFRODWLRQWHVWV7KHVHPRGHOVKDYHWKHDGYDQWDJHRIEHLQJEDVHGRQIXQGDPHQWDOWKHUPRGQDPLFSDUDPHWHUVWKDWKDYHDJHQHUDOYDOLGLW,QRUGHUWRHQDEOHHWUDSRODWLRQRIODERUDWRUOHDFKLQJGDWDWRWKHPRELOLWDQGRUELRDYDLODELOLWRIDFRQVWLWXHQW

31、LQDVSHFLFHOGVFHQDULRWKHVHPRGHOVUHTXLUHDGGLWLRQDOLQSXWSDUDPHWHUVIRUVSHFLFVRLOproperties (see Figure 1).Key1 experiment2 geochemical speciation modelling3 available metal concentration4 dissolved humic substances5 reactive (solid) surfaces GDWDEDVHZLWKVWDELOLWFRQVWDQWV7 computer program8 assumptionsFi

32、gure 1 Relationships between experimental data, as obtained from laboratory leaching/extraction tests, and geochemical modelling of the speciation of a heavy metal LQWKHHQYLURQPHQW PRGLHGDIWHU0*IHOOHU 56FKXOLQ(7+=ULFK UHVLQ7KHRUJDQLFVUHPDLQLQJLQVROXWLRQDIWHUUHVLQDGGLWLRQDUHFODVVLHGDVKGURSKLOLFRUJDQL

33、FVXEVWDQFHV7KH2$UHVLQWRDGVRUE+$DQGRU)$7KLVUHVLQLVQRORQJHUFRPPHUFLDOODYDLODEOHWKHUHIRUHWKHFRPSDUDELOLWRIWKHVXEVWLWXWHUHVLQ$;ZDVWHVWHG6HH$QQH%IRULQIRUPDWLRQ6.8 Nitric acidc +123) PROO7 Sampling7.1 Laboratory sample7KHODERUDWRUVDPSOHVKDOOFRQVLVWRIDYROXPHWRDWOHDVWPO7.2 Test sample7KHVDPSOHVVKDOOEHWHVWHG

34、RQOWHUHG P OLTXLGV7KHW HVWVDPSOHVFDQEHRIGLYHUVHRULJLQVDQGVKRXOGEHVWRUHGLQDUHIULJHUDWRU7RDYRLGFKDQJHVLQWKHVDPSOHVGXULQJVWRUDJH1D13 LQVROXWLRQ FDQEHDGGHGSamples that have been spiked with NaN3should be processed in a fume hood. NaN3decomposes under DFLGLFFRQGLWLRQVUHOHDVLQJWRLFJDVVHV7.3 Test portion%D

35、VHGRQHOXDWHYROXPHUHTXLUHPHQWVIRUDQDOVLVWKHWHVWSRUWLRQVLHVKDOOEHPO ZLWKDWROHUDQFHRI r 8 Procedure8.1 Preparation of DAX-8 resinUHVLQ WRUHPRYHRUJDQLFLPSXULWLHVZLWKYHPROOKGURFKORULF DFLG HWUDFWLRQV IRUK 5HQHZWKHVROXWLRQDIWHUHDFKHWUDFWLRQ5HSHDWWKLVFFOHZLWKPROOVRGLXPKGURLGH 7KHQFOHDQWKHUHVLQWKRURXJKOE6RK

36、OHWHWUDFWLRQV ZLWKDFHWRQLWULOH DQGPHWKDQRO HDFKIRUK7KHFOHDQHGUHVLQLVVWRUHGLQPHWKDQRO XQWLOXVH3ULRUWRXVHUHPRYHWKHPHWKDQROESODFLQJWKH$;UHVLQ LQD%FKQHUIXQQHO ZLWKDOWHU DQGZDVKWKHUHVLQXQGHUYDFXXPZLWKZDWHU WKDWKDVDYROXPHWLPHVWKDWRIWKHUHVLQ6XEVHTXHQWOULQVHWKHUHVLQVLPLODUOZLWKPROOKGURFKORULFDFLG KDYLQJWLPHVWKHUHVLQYROXPHNOTE It has been demonstratedWKDWJRI$;UHVLQ FDQEHFOHDQHGVXIFLHQWOEULQVLQJZLWKORIZDWHU DQGORIPROOKGURFKORULFDFLG 7KLVFOHDQLQJVHTXHQFHFDQEHXVHGWRREWDLQD2UHVLQIURP6LJPD$OGULFKLVDQHDPSOHRIDVXLWDEOHSURGXFWDYDLODEOHFRPPHUFLDOO7KLVLQIRUPDW