利用TOC/TN分析仪对复合肥料中氮素含量测定的方法探究  

Discussion on the Determination Method of Nitrogen in Compound Fertilizers by TOC/TN Analyzer

作　　者：张一 付时丰[1,2] 杨沫 黄玉威[1,2] ZHANG Yi;FU Shifeng;YANG Mo;HUANG Yuwei(National Biochar Institute,Shenyang Agricultural University,Shenyang 110000,China;Key Laboratory of Biochar and Soil Improvement,Ministry of Agriculture and Rural Affairs,Shenyang 110000,China)

机构地区：[1]沈阳农业大学国家生物炭研究院,辽宁沈阳110000 [2]农业农村部生物炭与土壤改良重点实验室,辽宁沈阳110000

出　　处：《山东化工》2024年第21期175-177,182,共4页Shandong Chemical Industry

摘　　要：探讨利用TOC/TN分析仪在测定复合肥料中氮素含量的应用,通过与标准方法中的自动分析仪法和托马斯燃烧法比较,研究上述三种测定方法在准确性、精密度和操作便捷性方面的表现。实验结果表明,利用TOC/TN分析仪的分析方法能够有效地测定复合肥料中的氮含量,且具有较高的精密度和准确度,为复合肥料的质量控制提供了有效的技术支持。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.

关 键 词：复合肥料 氮素含量 TOC/TN分析仪 自动分析仪法 托马斯燃烧法 

分 类 号：O657[理学—分析化学]