Nessler's reagent
英
美 [ˈnɛslərz riˈeɪdʒənt]
奈氏试剂
双语例句
- In this case, the Nessler's reagent colorimetric method can be directly used in determination of ammonium in the culture sea water.
因此使纳氏试剂比色法可直接应用于海水养殖水体中铵的测定。 - Determination of ammonium in culture sea water with nessler's reagent colorimetric method
纳氏试剂比色法测定海水养殖水体中的铵 - On Affection of Temperature on Nessler's Reagent During Determination of Ammonia Nitrogen
纳氏试剂比色法测定水质中氨氮时温度对纳氏试剂的影响 - Research on key issues in determination of ammonia nitrogen in water and wastewater by nessler's Reagent Spectrophotometry
纳氏试剂光度法测定水和废水中氨氮关键问题的研究 - The Extinction-Time Curve of a Colored Sol'n Developed with Nessler's Reagent
纳氏试剂显色液的消光&时间曲线 - The improvement in the compounding of nessler's reagent and the method of water sample preliminary treatment
纳氏试剂配制及水样预处理方法的改进 - Discussion about Common Problems and Solution Methods in Determination of Ammoniacal Nitrogen by Nessler's Reagent Colorimetric Method
纳氏试剂比色法测定水体中氨氮常见问题与解决办法 - The urea was hydrolysised in ( pH 7.0) buffer medium, and the urea-nitrogen was determined by Spectrophotometry with Nessler's reagent as the chromogenic reagent.
采用自制黄豆脲酶水解液，于pH7.0的磷酸盐缓冲体系中水解尿素，以奈氏试剂为显色剂，用分光光度法测定尿素态氮。 - Study on Influential Factors in Determination of Ammonia in Air by Nessler's Reagent Spectrophotometry
浅谈纳氏试剂法测定空气中氨的影响因素 - A lot of Mg2+ and Ca2+ of sea water is removed by mixing with the solutions of NaOH and Na2CO3, Polyvinyl alcohol solution is added to make the yellow-brown complex of ammonium and Nessler's reagent stable and clear.
本文采用加氢氧化钠和碳酸钠溶液除去海水中存在的大量镁钙离子，加入聚乙烯醇溶液，使铵与纳氏试剂生成的黄棕色络合物稳定，不产生浑浊。