凯氏定氮仪

自动凯氏定氮仪快速测定青贮饲料中的氨态氮

Rapid Determination of Ammoniacal Nitrogen in Silage by Automatic Kjeldahl Apparatus

快速凯氏定氮仪与纳氏试剂光度法测定NH3-N的精密度及总不确定度比较

The accuracy and systematic uncertainty of NH_3-N results comparing the photometry method and quick analyzing method

利用Gerhardt凯氏定氮仪测定凯氏氮

Determination of Kjeldahl nitrogen using Gerhardt device

介绍了Gerhardt凯氏定氮仪的工作原理及方法，验证了其测定凯氏氮的准确性。

The use method and principle of Gerhardt device were introduced and its accuracy for determination of Kjeldahl nitrogen was verified .

结合实际应用，提出了在Gerhardt凯氏定氮仪测定过程中存在的问题及解决方法。

Determination of Kjeldahl nitrogen using Gerhardt device The Dow Chemical Company Its solution for existent problems was proposed through the practical application .

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 .

对纳氏试剂光度法测定水质样品中氨氮的测定方法进行了研究，以凯氏定氮仪代替凯氏蒸馏装置.纳氏试剂光度法测定水样中低含量氨氮加标回收率的计算问题

The paper introduces the method of determination of the ammonia nitrogen in water samples . Study on The Determination of Recovering Rate of Standard Sample of Lowly-Concentrated Amino Nitrogen in Water Using Nashi Reagent Photometry