EN 14888-2005 en Fertilizers and liming materials - Determination of cadmium content《化肥和石灰浸材料 钙含量的测定》.pdf
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1、BRITISH STANDARDBS EN 14888:2005Fertilizers and liming materials Determination of cadmium contentThe European Standard EN 14888:2005 has the status of a British StandardICS 65.080g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g
2、54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 14888:2005This British Standard was published under the authority of the Standards Policy and Strategy Committee on 4 January 2006 BSI 4 January 2006ISBN 0 580 47404 6National forewordThis British Standard is the of
3、ficial English language version of EN 14888:2005.The UK participation in its preparation was entrusted to Technical Committee CII/37, Fertilizers and related chemicals, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary.
4、Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or
5、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 Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text;
6、present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate them in the UK.Summary of pagesThis document comprises a front cover, an in
7、side front cover, the EN title page, pages 2 to 22, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 14888Au
8、gust 2005ICS 65.080English versionFertilizers and liming materials - Determination of cadmiumcontentEngrais et amendements minraux basiques - Dosage ducadmiumDngemittel und Calcium-/Magnesium-Bodenverbesserungsmittel - Bestimmung desCadmiumgehaltesThis European Standard was approved by CEN on 27 Jun
9、e 2005.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
10、 on application to the Central Secretariat 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 Central Secretaria
11、t has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, S
12、lovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reservedworldwide
13、for CEN national Members.Ref. No. EN 14888:2005: EEN 14888:2005 (E) 2 Contents Page Foreword 3 Introduction4 1 Scope .5 2 Normative references .5 3 Terms and definitions.5 4 Principle.5 5 Reagents6 6 Apparatus 7 7 Sampling and sample preparation.7 8 Procedure 8 9 Calculation and expression of the re
14、sults 10 10 Precision13 11 Test report .15 Annex A (informative) Results of inter-laboratory tests 16 Annex B (informative) Notes on the detection techniques, interferences and quantification19 Bibliography.22 EN 14888:2005 (E) 3 Foreword This document (EN 14888:2005) has been prepared by Technical
15、Committee CEN/TC 260 “Fertilizers and liming materials”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2006, and conflicting national standards
16、shall be withdrawn at the latest by February 2006. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association to provide a means of conforming to Essential Requirements of the Regulation (EC) No 2003/2003 of the European P
17、arliament and of the Council of 13 October 2003 relating to fertilizers. Once this standard is cited in the Official Journal of the European Communities under that Regulation and has been implemented as a national standard in at least one Member State, compliance with the normative clauses of this s
18、tandard confers, within the limits of the scope of this standard, a presumption of conformity with the relevant Essential Requirements of that Regulation and associated EFTA regulations. WARNING Other requirements and other EU Directives may be applicable to the product(s) falling within the scope o
19、f this standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
20、Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 14888:2005 (E) 4 Introduction Because flame atomic absorption spectrometry (flame AAS) and inductively coupled plasma-optical emission spectrometr
21、y (ICP-OES) are widely used techniques for the determination of cadmium, both are described in this European Standard (as method A and method B respectively). Much of the procedure and many of the reagents are common to both methods. EN 14888:2005 (E) 5 1 Scope This European Standard specifies two m
22、ethods for the determination of the cadmium content, after extraction with nitric acid, of solid mineral fertilizers and rock phosphates. It is not applicable to organic and organo-mineral fertilizers. It is applicable to the determination of cadmium contents greater than 1 mg/kg. 2 Normative refere
23、nces The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1482, Sampling of solid fertilizers and l
24、iming materials EN ISO 3696:1995, Water for analytical laboratory use - Specification and test methods (ISO 3696:1987) 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 limit of detection smallest measured content from which it is possible to d
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