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00260272

Inorganic fertilizers - Determination of the combustible ingredient content in ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of specific parameters in ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of pH of a solution of ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content

Inorganic fertilizers - Determination of the combustible ingredient content in ammonium nitrate fertilizers of high nitrogen content

Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German version EN ISO 23696-1:2025

Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German version EN ISO 23696-2:2025

Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)

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