This study explores the application of a TOC/TN analyzer for determining the nitrogen content in compound fertilizers.By comparing it with standard methods,specifically automatic analyzers and the Dumas combustion method,the study assesses the accuracy,precision,and operational convenience of these three determination methods.Experimental results demonstrate that the TOC/TN analyzer can effectively measure nitrogen content in compound fertilizers with high precision and accuracy.This method offers a user-friendly and efficient alternative,providing robust technical support for the quality control of compound fertilizers.
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