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prEN 13654-1:2025-10 - Draft

Soil improvers and growing media - Determination of nitrogen - Part 1: Modified Kjeldahl method

German title
Bodenverbesserungsmittel und Kultursubstrate - Bestimmung von Stickstoff - Teil 1: Modifiziertes Verfahren nach Kjeldahl
Publication date
2025-10
Original language
English
Pages
11
Publication date
2025-10
Original language
English
Pages
11

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