Fertilizers - Extraction of total micro-nutrients in fertilizers using aqua regia

This European Standard specifies the procedure for total extraction of boron, cobalt, copper, iron, manganese, molybdenum and zinc with aqua regia from mineral fertilizers containing one or more micro-nutrients.
The extracts can be analysed according to WI 00260173, prEN 16963, prEN 16965, WI 00260179, WI 00260180 and WI 00260182.
NOTE   This method is also suitable for the extraction of cadmium, chromium, nickel and lead to be determined according to EN 16319; the extraction of mercury to be determined according to EN 16320 and the extraction of arsenic to be determined according to EN 16317.

Düngemittel - Extraktion von Gesamtspurennährstoffen aus Düngemitteln mit Königswasser

Diese Europäische Norm legt ein Verfahren zur vollständigen Extraktion von Bor, Cobalt, Kupfer, Eisen, Mangan, Molybdän und Zink aus mineralischen Düngemitteln, die einen oder mehrere Spurennährstoffe enthalten, mit Königswasser fest.
Die Extrakte können nach EN 16963, EN 16965, prEN 17041, prEN 17042 und prEN 17043 analysiert werden.
Dieses Verfahren ist auch anwendbar für die Extraktion von Cadmium, Chrom, Nickel und Blei, die nach EN 16319 zu bestimmen sind, für die Extraktion von Quecksilber, das nach EN 16320 zu bestimmen ist, und für die Extraktion von Arsen, das nach EN 16317 zu bestimmen ist.

Engrais - Extraction des oligo-éléments totaux des engrais à l'eau régale

La présente norme européenne spécifie la méthode d’extraction totale du bore, du cobalt, du cuivre, du fer, du manganèse, du molybdène et du zinc avec de l’eau régale à partir d’engrais minéraux contenant un ou plusieurs oligo-éléments.
Les extraits peuvent être analysés conformément à l’EN 16963, à l’EN 16965,  au prEN 17041, au prEN 17042 et au prEN 17043.
Cette méthode est également adaptée pour l’extraction du cadmium, du chrome, du nickel et du plomb dosés conformément à l’EN 16319, pour l’extraction du mercure dosé conformément à l’EN 16320 et pour l’extraction de l’arsenic dosé conformément à l’EN 16317.

Gnojila - Ekstrakcija celotnih mikrohranil iz gnojil z zlatotopko

Ta evropski standard določa postopek za popolno ekstrakcijo bora, kobalta, bakra, železa, mangana, molibdena in cinka z zlatotopko iz mineralnih gnojil, ki vsebujejo eno ali več mikrohranil.
Ekstrakti se lahko analizirajo skladno s standardi WI 00260173, prEN 16963, prEN 16965, WI 00260179, WI 00260180 in WI 00260182.
OPOMBA:   Ta metoda je primerna tudi za ekstrakcijo kadmija, kroma, niklja in svinca, ki bo določena skladno s standardom EN 16319, ekstrakcijo živega srebra, ki bo določena skladno s standardom EN 16320, in ekstrakcijo arzena, ki bo določena skladno s standardom EN 16317.

General Information

Status
Published
Public Enquiry End Date
05-Apr-2016
Publication Date
17-May-2018
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
04-May-2018
Due Date
09-Jul-2018
Completion Date
18-May-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Gnojila - Ekstrakcija celotnih mikrohranil iz gnojil z zlatotopkoDüngemittel - Extraktion von Gesamtspurennährstoffen aus Düngemitteln mit KönigswasserEngrais - Extraction des oligo-éléments totaux des engrais à l'eau régaleFertilizers - Extraction of total micro-nutrients in fertilizers using aqua regia65.080GnojilaFertilizersICS:Ta slovenski standard je istoveten z:EN 16964:2018SIST EN 16964:2018en,fr,de01-junij-2018SIST EN 16964:2018SLOVENSKI

STANDARD
SIST EN 16964:2018
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16964
January
t r s z ICS
x wä r z r English Version

Fertilizers æ Extraction of total microænutrients in fertilizers using aqua regia Engrais æ Extraction des oligoæéléments totaux des engrais à l 5eau régale

Düngemittel æ Extraktion von Gesamtspurennährstoffen aus Düngemitteln mit Königswasser This European Standard was approved by CEN on

s w October
t r s yä

egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä

translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä

CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre:
Rue de la Science 23,
B-1040 Brussels

t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN

s x { x vã t r s z ESIST EN 16964:2018

EN 16964:2018 (E) 2 Contents Page European foreword ....................................................................................................................................................... 3 Introduction .................................................................................................................................................................... 4 1 Scope .................................................................................................................................................................... 5 2 Normative references .................................................................................................................................... 5 3 Terms and definitions ................................................................................................................................... 5 4 Principle ............................................................................................................................................................. 5 5 Sampling and sample preparation ............................................................................................................ 5 6 Reagents ............................................................................................................................................................. 5 7 Apparatus ........................................................................................................................................................... 6 8 Procedure........................................................................................................................................................... 6 8.1 General ................................................................................................................................................................ 6 8.2 Preparation of the test solutions ............................................................................................................... 6 8.2.1 Micro-nutrient content

10 % ................................................................................................................... 6 8.2.2 Micro-nutrient content > 10 % ................................................................................................................... 6 8.3 Extraction ........................................................................................................................................................... 6 9 Precision ............................................................................................................................................................. 7 10 Test report ......................................................................................................................................................... 7 Bibliography .................................................................................................................................................................... 8

SIST EN 16964:2018

EN 16964:2018 (E) 3 European foreword This document (EN 16964:2018) has been prepared by Technical 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 July 2018, and conflicting national standards shall be withdrawn at the latest by July 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 16964:2018

EN 16964:2018 (E) 4 Introduction The preparation of this document was based on a mandate given to CEN by the European Commission and the European Free Trade Association (Mandate M/335) concerning the modernization of methods of analysis of fertilizers in the framework of Regulation (EC) No 2003/2003 [1]. Aqua regia is applied for determination of many elements in different matrices. A horizontal standard for aqua regia extraction of soils, sludges and biowaste was prepared by CEN/TC 400. Similar procedure was applied for determination of the aqua regia extractable content of arsenic, mercury, cadmium, chromium, nickel and lead in fertilizers and liming materials (European Standard prepared by CEN/TC 260). Wide use of the aqua regia extraction and possibility to prepare a suitable horizontal standard was the main reason to develop the given extraction procedure. WARNING — Persons using this European Standard should be familiar with normal laboratory practice. This European Standard does not purport to address all of the safety issues, if any, associated with its use. It is the responsibility of the user to establish appropriate health and safety practices and to ensure compliance with any national regulatory conditions. IMPORTANT — It is absolutely essential that tests conducted according to this European Standard are carried out by suitably trained staff. SIST EN 16964:2018

EN 16964:2018 (E) 5 1 Scope This European Standard specifies a method for the total extraction of boron, cobalt, copper, iron, manganese, molybdenum and zinc with aqua regia from mineral fertilizers containing one or more micro-nutrients. The extracts can be

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