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DIN EN 13650:2025-10
Soil improvers and growing media - Digestion by aqua regia for subsequent determination of elements; German and English version prEN 13650:2025 / Note: Date of issue 2025-09-19*Intended as replacement for DIN EN 13650 (2002-01).
| Fecha edición: |
2025-10-01
En Vigor
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|---|---|
| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document specifies a method for the digestion of soil improvers and growing media using an aqua regia digestion. Materials containing more than about 28 % (m/m) organic matter will require treatment with additional nitric acid. With high solute concentrations in extract solutions, spectral interferences and background enhancement should be expected. |
| Keywords: | Agriculture|Aqua regia|Chemicals|Decomposition methods|Definitions|Digestion|Elements|Extraction|Extraction agents|Extraction methods of analysis|Growing media|Inter-laboratory tests|Methods of analysis|Mineralization|Soil improvement|Soil improving materials|Soils|Soluble|Solvents|Substrates (insulating) |
| ICS: | 65.080 - Fertilizantes |
| CTN: |
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