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EN 16319:2026

Inorganic fertilizers and liming materials - Determination of specific elements - Determination of cadmium, chromium, copper, lead, nickel and zinc by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution

Edition date: 2026-09-16
In Force
Available languages: English, German, French
Summary: This document specifies a method for the determination of the content of cadmium, chromium, copper, lead, nickel and zinc in fertilizers and liming materials using inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution. Limits of quantification are dependent on the sample matrix as well as on the instrument, but can roughly be expected to be 0,3 mg/kg for cadmium (Cd) and 1 mg/kg for chromium (Cr), copper (Cu), nickel (Ni), lead (Pb) and zinc (Zn). This document is applicable to fertilizing product blends, where the blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants and where the following category: inorganic fertilizers and liming materials is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass. If inorganic fertilizers and liming materials is not the highest % in the blend, the European Standard for the highest % of the blend applies. In case a fertilizing product blend is composed of components in equal quantity, the user decides which standard to apply. NOTE 1 Variations in analytical methods for fertilizing product blends can lead to differing results as some components or matrix interactions can affect the outcome. Validation procedures have shown that developed standard methods are robust and reliable across diverse product compositions, but possible interferences and unexpected results when analysing fertilizing product blends are possible. NOTE 2 The term fertilizer is used throughout this document and is taken to include liming materials unless otherwise indicated. NOTE 3 Dissolution by aqua regia is equivalent to digestion and extract and digest are equivalent terms in this sense for the purposes of this document.

Le présent document spécifie une méthode permettant de déterminer la teneur en cadmium, chrome, cuivre, plomb, nickel et zinc dans les engrais et amendements minéraux basiques par spectrométrie d'émission atomique avec plasma induit par haute fréquence (ICP-AES) après digestion à l'eau régale. Les limites de quantification dépendent de la matrice de l'échantillon ainsi que de l'instrument, mais peuvent être attendues de l'ordre de 0,3 mg/kg pour le cadmium (Cd) et de 1 mg/kg pour le chrome (Cr), le cuivre (Cu), le nickel (Ni), le plomb (Pb) et le zinc (Zn). Le présent document est applicable aux mélanges de fertilisants constitués d'au moins deux des composants suivants: engrais, amendements minéraux basiques, amendements du sol, supports de culture, inhibiteurs, biostimulants des végétaux et dans lesquels la catégorie «engrais inorganiques et amendements minéraux basiques» représente le pourcentage le plus élevé du mélange en masse ou en volume, ou dans le cas d'un liquide, en masse sèche. Si les engrais inorganiques et amendements minéraux basiques ne représentent pas le pourcentage le plus élevé du mélange, la Norme européenne relative au composant représentant le pourcentage le plus élevé du mélange s'applique. Dans le cas où le mélange de fertilisants est constitué de composants en quantités égales, l'utilisateur décide quelle norme appliquer. NOTE 1 Les variations dans les méthodes d'analyse des mélanges de fertilisants peuvent conduire à des résultats différents, car certaines interactions de composants ou de la matrice peuvent affecter le résultat. Les procédures de validation ont montré que les méthodes normalisées développées sont robustes et fiables pour diverses compositions de produits, mais des interférences éventuelles et des résultats inattendus lors de l'analyse des mélanges de fertilisants sont possibles. NOTE 2 Le terme engrais est utilisé dans le présent document et comprend les amendements minéraux basiques, sauf indication contraire. NOTE 3 Le terme «digestion» fait référence à la digestion à l'eau régale, et les termes «extrait» et «digestat» sont équivalents au sens du présent document.

Dieses Dokument legt ein Verfahren zur Bestimmung des Gehalts an Cadmium, Chrom, Kupfer, Blei, Nickel und Zink in Düngemitteln und Kalkdüngern mittels Atomemissionsspektrometrie mit induktiv gekoppeltem Plasma (ICP-AES) nach Königswasseraufschluss fest. Die Bestimmungsgrenzen sind sowohl von der Probenmatrix als auch vom Gerät abhängig, können jedoch etwa bei 0,3 mg/kg für Cadmium (Cd) und 1 mg/kg für Chrom (Cr), Kupfer (Cu), Nickel (Ni), Blei (Pb) und Zink (Zn) erwartet werden. Dieses Dokument ist anwendbar auf Düngeproduktmischungen, bei denen die Mischung aus mindestens zwei der folgenden Komponenten besteht: Düngemittel, Kalkdünger, Bodenverbesserungsmittel, Kultursubstrate, Hemmstoffe, Pflanzen-Biostimulanzien und wenn die Kategorie „anorganische Düngemittel“ und „Kalkdünger“ den höchsten Prozentsatz in der Mischung bezüglich Masse oder Volumen oder im Falle von flüssigen Formen bezüglich Trockenmasse ausmacht. Wenn das anorganische Düngemittel und der Kalkdünger nicht den höchsten Prozentsatz in der Mischung ausmacht, gilt die Europäische Norm für den höchsten Prozentsatz der Mischung. Im Falle, dass die Düngeproduktmischung aus Komponenten gleicher Menge besteht, entscheiden die Anwender, welche Norm angewendet wird. ANMERKUNG 1 Variationen in analytischen Verfahren für Düngeproduktmischungen können zu unterschiedlichen Ergebnissen führen, da einige Komponenten oder Matrixwechselwirkungen das Ergebnis beeinflussen können. Validierungen haben gezeigt, dass die entwickelten Standardverfahren robust und zuverlässig über unterschiedliche Produktzusammensetzungen hinweg sind. Jedoch sind mögliche Interferenzen und unerwartete Ergebnisse bei der Analyse von Düngeproduktmischungen möglich. ANMERKUNG 2 Der Begriff „Düngemittel“ wird durchgängig in diesem Dokument verwendet und schließt, wenn nicht anders angegeben, die Kalkdünger mit ein. ANMERKUNG 3 „Auflösung durch Königswasser“ entspricht dem „Aufschluss“ sowie „Extrakt“ und „Aufschlussprodukt“ werden in diesem Sinne im Zusammenhang mit diesem Dokument als äquivalente Begriffe behandelt.
ICS: 65.080-Fertilizers
CTN: CEN/TC 260 - 6241

Reemplazo Normas

Reemplaza a EN 16319:2013+A1:2015

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