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Inorganic fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
Oznaka:prEN 17403
Odbor:HZN/TO 134
Ime odbora:Gnojiva i poboljšivači tla
Nacrt objavljen za komentiranje:2026-03-23
Rok za komentiranje:2026-04-21
Broj komentara:0
Contact email:nacrti(at)hzn.hr
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This document specifies a method for the determination of the cold and hot water insoluble nitrogen content in solid urea formaldehyde and methylene urea slow-release fertilizers and for the determination of the solubility of nutrient polymers in a phosphate buffer solution with a pH of 7,5 at 100 °C, in their pure form in inorganic fertilizers.
This document is not applicable to the following nutrient polymers: liquid methylene urea.

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