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 (Endorsed by Asociación Espanola de Normalización in February of 2021.)
STANDARD published on 1.2.2021
Designation standards: UNE-CEN/TS 17403:2021
Publication date standards: 1.2.2021
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Spanish technical standard
Category: Technical standards UNE