This document specifies a method for the determination of the cold and hot water insoluble nitrogencontent in solid urea formaldehyde and methylene urea slow-release fertilizers and for the determinationof the solubility of nutrient polymers in a phosphate buffer solution with a pH of 7,5 at 100 °C.
BS PD CEN/TS 17403:2021
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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
BSI Group , 01/18/2021
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