DIN EN ISO 12782-4-2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 4 Extraction of humic substance.pdf

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=“1915226www.din.deDDIN EN ISO 12782-4Soil quality Parameters for geochemical modelling of leaching and speciation ofconstituents in soils and materials Part 4: Extraction of humic substances from solid samples(ISO 12782-4:2012);English version EN ISO 12782-4:2012,English translation

3、 of DIN EN ISO 12782-4:2012-09Bodenbeschaffenheit Parameter zur geochemischen Modellierung der Elution und Speziation von Bestandteilenin Bden und Materialien Teil 4: Extraktion von Huminstoffen aus Feststoffproben (ISO 12782-4:2012);Englische Fassung EN ISO 12782-4:2012,Englische bersetzung von DIN

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

5、de DIN EN ISO 12782-4:2012-09www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 32 pages08.12 DIN EN ISO 12782-4:2012-09 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 10381-1 DIN ISO 10381-1 ISO 10381-2 DIN ISO 10381-2 ISO 10381-3 DIN ISO 10381-3 ISO 10381-4 DIN ISO 10381-4 ISO 10381-5 DIN ISO 10381-5 ISO 10381-6 DIN ISO 10381-6

11、ISO 11277 DIN ISO 11277 ISO 11465 DIN ISO 11465 DIN EN ISO 12782-4:2012-09 3 National Annex NA (informative) Bibliography DIN ISO 3696, Water for analytical laboratory use Specification and test methods DIN EN ISO 5667-3, Water quality Sampling Part 3: Preservation and handling of water samples DIN

12、ISO 8245, Water quality Guidelines for the determination of total organic carbon (TOC) DIN ISO 10381-1, Soil quality Sampling Part 1: Guidance on the design of sampling programmes DIN ISO 10381-2, Soil quality Sampling Part 2: Guidance on sampling techniques DIN ISO 10381-3, Soil quality Sampling Pa

13、rt 3: Guidance on safety DIN ISO 10381-4, Soil quality Sampling Part 4: Guidance on the procedure for investigation of natural, near-natural and cultivated sites DIN ISO 10381-5, Soil quality Sampling Part 5: Guidance on the procedure for the investigation of urban and industrial sites with regard t

14、o soil contamination DIN ISO 10381-6, Soil quality Sampling Part 6: Guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory DIN ISO 11277, Soil quality Determination of particle size di

15、stribution in mineral soil material Method by sieving and sedimentation DIN ISO 11465, Soil quality Determination of dry matter and water content on a mass basis Gravimetric method DIN EN ISO 12782-4:2012-09 4 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM June 20

16、12 ICS 13.080.05 English Version Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 4: Extraction of humic substances from solid samplesQualit du sol - Paramtres pour la modlisation gochimique de la lixiviation et de la spciat

17、ion des constituants des sols et des matriaux - Partie 4: Extraction des substances humiques des chantillons solides Bodenbeschaffenheit - Parameter zur geochemischen Modellierung der Elution und Speziation von Bestandteilen in Bden und Materialien - Teil 4: Extraktion von Huminstoffen aus Feststoff

18、proben (ISO 12782-4:2012) 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

19、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

20、 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

21、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

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

23、 Scope . 6 2 Normative references 6 3 Terms and definitions 7 4 Principle 8 5 Apparatus 8 6 Reagents . 9 7 Sample pretreatment . 10 7.1 Sample size . 10 7.2 Particle size reduction . 10 7.3 Determination of dry residue 11 7.4 Test portion . 11 8 Procedure 11 8.1 Preparation of DAX-8 resin . 11 8.2 D

24、etermination of total humic acid (HA), fulvic acid (FA) and hydrophilic organic carbon (Hy) content in solid source materials 12 9 Eluate treatment and storage 12 10 Analytical determination . 12 11 Blank test . 12 12 Calculation 13 12.1 General correction factors for the calculation of humic acid (

25、HA), fulvic acid (FA), hydrophilic organic carbon (Hy) and hydrophobic neutral organic carbon (HON) in liquid and solid samples 13 12.2 Concentration of total humic acid (HA), fulvic acid (FA), hydrophilic organic carbon (Hy) and hydrophobic neutral organic carbon (HON) concentrations in solid sampl

26、es . 14 13 Expression of results . 16 14 Test report . 16 15 Performance characteristics . 16 Annex A (informative) Schematic representation of the fractionation procedure 17 Annex B (informative) Validation of procedure. 19 Annex C (informative) Conditions regarding centrifugation . 24 Bibliography

27、 27 2DIN EN ISO 12782-4:2012-09 EN ISO 12782-4:2012 (E) Foreword This document (EN ISO 12782-4:2012) 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 Europea

28、n Standard shall be given the status of a national standard, either by publication 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 elem

29、ents of this document may be the subject of patent rights. CEN and/or CENELEC 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 Eu

30、ropean Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tu

31、rkey and the United Kingdom. Endorsement notice The text of ISO 12782-4:2012 has been approved by CEN as a EN ISO 12782-4:2012 without any modification. “ ”3DIN EN ISO 12782-4:2012-09 EN ISO 12782-4:2012 (E) Introduction,QDGGLWLRQWROHDFKLQJSURFHGXUHVIRUVXEVHTXHQWFKHPLFDODQGHFRWRLFRORJLFDOWHVWLQJRIVR

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33、QDQGELRDYDLODELOLW,QWKHSDVWIHZHDUVJHRFKHPLFDOPRGHOVKDYHEHHQVKRZQWREHYDOXDEOHWRROVWREHFRPELQHGZLWKWKHGDWDREWDLQHGIURPFKDUDFWHULDWLRQOHDFKLQJVWDQGDUGVVXFKDVS+GHSHQGHQFHDQGSHUFRODWLRQWHVWV7KHVHPRGHOVKDYHWKHDGYDQWDJHRIEHLQJEDVHGRQIXQGDPHQWDOWKHUPRGQDPLFSDUDPHWHUVWKDWKDYHDJHQHUDOYDOLGLW,QRUGHUWRHQDEOHHWU

34、DSRODWLRQRIODERUDWRUOHDFKLQJGDWDWRWKHPRELOLWDQGRUELRDYDLODELOLWRIDFRQVWLWXHQWLQDVSHFLFHOGVFHQDULRWKHVHPRGHOVUHTXLUHDGGLWLRQDOLQSXWSDUDPHWHUVIRUVSHFLFVRLOproperties (see Figure 1).Key1 experiment2 geochemical speciation modelling3 available metal concentration4 dissolved humic substances5 reactive (s

35、olid) surfaces GDWDEDVHZLWKVWDELOLWFRQVWDQWV7 computer program8 assumptionsFigure 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 UHVLQ

36、7KHRUJDQLFVUHPDLQLQJLQVROXWLRQDIWHUUHVLQDGGLWLRQDUHFODVVLHGDVKGURSKLOLFRUJDQLFVXEVWDQFHV 7KH 2$UHVLQWRDGVRUE+$DQGRU)$7KLVUHVLQLVQRORQJHUFRPPHUFLDOODYDLODEOHWKHUHIRUHWKHFRPSDUDELOLWRIWKHVXEVWLWXWHUHVLQ$;ZDVWHVWHG6HH$QQH%IRULQIRUPDWLRQ6.8 Nitric acidc +123) PROO1) $;UHVLQIURP6LJPD$OGULFKLVDQHDPSOHRIDV

37、XLWDEOHSURGXFWDYDLODEOHFRPPHUFLDOO7KLVLQIRUPDWLRQLVJLYHQIRUWKHFRQYHQLHQFHRIXVHUVRIWKLVGRFXPHQWDQGGRHVQRWFRQVWLWXWHDQHQGRUVHPHQWE,62RIWKLVSURGXFW9DIN EN ISO 12782-4:2012-09 EN ISO 12782-4:2012 (E) 7 Sample pretreatment7.1 Sample size7KHODERUDWRUVDPSOHVKDOOFRQVLVWRIDPDVVHTXLYDOHQWWRDWOHDVWNJRIGUPDVV3H

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