GB/T 2947-2002
ActiveDetermination of free water in urea and ammonium nitrate by karl fischer method
尿素、硝酸铵中游离水含量的测定 卡尔·费休法
Application Summary AI generated
This standard specifies the Karl Fischer titration method for determining free water content in urea and ammonium nitrate fertilizers. It is applied in agricultural quality control laboratories and fertilizer production facilities to ensure product specifications are met, as excessive moisture can cause caking or degradation during storage and transport. The method is critical for compliance with Chinese fertilizer standards and for maintaining product stability in the agricultural supply chain.
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尿素
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.