This document specifies a method for the determination of nutrient polymers nitrogen in presence of the other forms of nitrogen in inorganic fertilizers.
The method is applicable to all fertilizers which do not contain interfering organic compounds.
NOTE Nutrient polymers are methylen-urea (MU), in liquid and in solid form.
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IN_DEVELOPMENT prSSH EN 18103:2025 40.20
DIS ballot initiated: 12 weeks Feb 9, 2026
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EN 18103:2025
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