全自动凯氏定氮仪是根据凯氏定氮原理自动分析试样中氮含量的仪器，主要由消解、蒸馏、滴定装置组成。
应用KDY-9820凯氏定氮仪测定羊肉中挥发性盐基氮，通过与半微量定氮法对比及精密度实验，结果表明KDY-9820全自动定氮仪能简便、快速、准确地测定肉中的挥发性盐基氮。
TVB-N of mutton was analysed by KDY-9820 type automatic azotometer, through compared with kjeldahl and studied the precision, accuracy and inaccuracy of KDY-9820 type automatic azotometer.
凯氏定氮法是一种经典的测量物质中氮含量的方法，介绍了一种采用凯氏定氮法的全自动定氮仪，阐述了它的工作原理以及软硬件设计。
Kieldahl's method is a classical technique to measure the nitrogen content in organism. It is introduced for an instrument's principle, software and hardware designs.
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