BS EN ISO 12782-2-2012

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BSI Standards Publication

BS EN ISO 12782-2:2012

Soil quality — Parameters

for geochemical modelling

of leaching and speciation

of constituents in soils and

materials

Part 2: Extraction of crystalline iron oxides

and hydroxides with dithionite

BS EN ISO 12782-2:2012 BRITISH STANDARD

National foreword

This British Standard is the UK implementation of EN ISO

12782-2:2012.

The UK participation in its preparation was entrusted to Technical

Committee EH/4, Soil quality.

A list of organizations represented on this committee can be

obtained on request to its secretary.

This publication does not purport to include all the necessary

provisions of a contract. Users are responsible for its correct

application.

Limited 2012

ISBN 978 0 580 66912 5

ICS 13.080.05

Compliance with a British Standard cannot confer immunity from

legal obligations.

This British Standard was published under the authority of the

Standards Policy and Strategy Committee on 30 June 2012.

Amendments issued since publication

Date Text affected

EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN ISO 12782-2

June 2012

ICS 13.080.05

English Version

Soil quality - Parameters for geochemical modelling of leaching

and speciation of constituents in soils and materials - Part 2:

Extraction of crystalline iron oxides and hydroxides with

dithionite (ISO 12782-2:2012)

Qualité du sol - Paramètres pour la modélisation

géochimique de la lixiviation et de la spéciation des

constituants des sols et des matériaux - Partie 2: Extraction

des oxydes et hydroxydes de fer cristallin avec le dithionite

(ISO 12782-2:2012)

Bodenbeschaffenheit - Parameter zur geochemischen

Modellierung der Elution und Speziation von Bestandteilen

in Böden und Materialien - Teil 2: Extraktion von

Eisenoxiden und -hydroxiden mittels Dithionit (ISO 12782-

2:2012)

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 and 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 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, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,

Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION

COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels

ll rights of exploitation in any form and by any means reserved

worldwide for CEN national Members.

Ref. No. EN ISO 12782-2:2012: E

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标签： #ISO

摘要：

BS EN ISO 12782-2-2012 是国际标准化组织发布的一项关于土壤及地球化学材料中元素形态分析的标准规范，全称为“土壤质量——通过提取法测定地球化学材料中元素形态的第2部分：用磷酸盐缓冲溶液提取可交换态和酸溶态金属”。该标准详细规定了使用磷酸盐缓冲液进行提取实验的步骤、试剂要求、仪器设备以及结果计算与报告方法，旨在为环境监测、地质勘探和土壤污染评估提供统一、可重复的技术依据。适用于实验室中对铜、铅、锌、镉等重金属元素在土壤和沉积物中不同结合形态的定量分析，尤其在评估重金属迁移性、生

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BS EN ISO 12782-2-2012

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