DIN EN 17769:2026-01
Organic and organo-mineral fertilizers - Determination of the mercury content; German and English version prEN 17769:2026 / Note: Date of issue 2025-12-05*Intended as replacement for DIN CEN/TS 17769 (2022-07).
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¡RESERVA TU PLAZA AQUÍ!| Fecha edición: |
2026-01-01
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| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document specifies a method for determination of the content of mercury (Hg) using (cold) vapour generation apparatus coupled to an atomic absorption spectrophotometer and a method using a direct amalgamation technique. It is applicable to aqua regia digests prepared according to prEN 177681. It is applicable to organic fertilizers and organo-mineral fertilizers. This document is applicable to the fertilizing product blends where a 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: organic fertilizers or organo-mineral fertilizers is the highest % in the blend by mass or volume, or in case of liquid form by dry mass. If organic fertilizers and organo-mineral fertilizers are not the highest % in the blend, 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. 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 It is also possible |
| Keywords: | Agriculture|Atomic absorption spectrophotometry|Content|Definitions|Determination|Determination of content|Determination procedures|Fertilizers|Fertilizing|Mercury|Mineral|Mineral fertilizers|Minerals|Organic|Organic matters|Soil improvement|Soil improving materials|Steam engineering |
| ICS: | 65.080 - Fertilizantes |
| CTN: |
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