1) Nessler's reagent
纳氏试剂
1.
Spectrophotometric Determination of Urea in Milk with Nessler's Reagent;
纳氏试剂分光光度法测定牛奶中尿素含量
2.
Defects and correcting in determination of HN_3-N by nessler's reagent spectrophotometry.;
纳氏试剂比色法测定氨氮的问题及修正
3.
Experiment was undertaken to detect NH3-N in sea water by Nessler's reagent colorimetry.
进行了用纳氏试剂比色法直接测定海水中氨氮的试验。
2) Nessler reagent
纳氏试剂
1.
Two different preparing methods of Nessler reagent used for ammonia nitrogen determination are compared on the aspects of Abs blank and calibration curve and determination limit and accuracy and recoveries of spiked samples.
对纳氏试剂的两种配制方法在配制难易和含汞量、空白吸光度、校准曲线、检出限、精密度和加标回收率等方面作了比较,得出KI、HgCl2和KOH配制的纳氏试剂与KI、HgI2和NaOH配制的纳氏试剂相比,配制虽麻烦,但含汞量、空白吸光度和检出限均较低,而灵敏度、精密度和加标回收率却较高,可作为配制纳氏试剂的首选方法。
2.
In determination of ammoniacal/nitrogen in waste water with colorimetry,Nessler reagent was added,a great amount of gray precipitation was generated.
阐述应用纳氏试剂比色法测污水中氨氮时,加入纳氏试剂后产生大量灰色沉淀的原因及消除办法,对产生沉淀的机理进行初步探讨。
3.
When measuring the content of N in the form of NH 3 or HN + 4 in water by the method of Nessler reagent luminosity,the developing time and environmental temperature have the key influence on the measurement.
采用纳氏试剂光度法测定水中氨氮含量时 ,显色时间与环境温度对测定结果有决定性的影响。
3) Na's reagent
纳氏试剂法
1.
Na's reagent in basic solution of iodide will become gummy compound with light red and brown color in response of NH3.
在工业废水氨氮监测中应用的纳氏试剂法具有操作简便、灵敏度高的特点。
4) Nessler's reagent colorimetric method
纳氏试剂比色法
1.
The main reaction mechanisms are illustrated in determination of ammoniacal nitrogen by nessler's reagent colorimetric method, six common problems about the method are discussed and solution methods are summarized in this paper.
阐述了纳氏试剂比色法测定氨氮实验中涉及的各反应过程原理,对实验中常见的6个问题分别作了探讨,提出了解决办法。
5) Nessler reagent-colorimetry
纳氏试剂比色法
1.
The article studies NH3-N analysers of Nessler reagent-colorimetry,through comparative trial and practical faction of NH3-N analysers in different waste water plants,discuses the applied condition of NH3-N analysers in on-line monitoring waste water quality.
以纳氏试剂比色法为监测原理的氨氮分析仪为研究对象,通过对比试验以及氨氮分析仪在不同污水厂的实际运行,探讨氨氮分析仪在污水厂水质在线监测中的应用情况。
6) grignard reagent
格里纳德氏试剂
补充资料:纳氏泵
分子式:
CAS号:
性质:普遍采用的一种氯气压缩机。为液环式旋转压缩机。采用不与氯气起作用的硫酸作密封液体。由内部呈椭圆的壳体、壳体内部旋转的带叶轮的转子和连在壳体两则的盖子组成。材料为铸铁。当叶轮旋转时,由于离心力的作用把壳体内的硫酸抛向壳壁,形成一个紧贴着壳壁的液环随之旋转。因壁与叶轮间距离各处不等,利用其空间的大小不等,硫酸离开叶轮、气体空间变大,外来氯气从进口吸入,硫酸压向叶轮,氯气加压,从出口通道排出,如此周而复始进入气体的输送。
CAS号:
性质:普遍采用的一种氯气压缩机。为液环式旋转压缩机。采用不与氯气起作用的硫酸作密封液体。由内部呈椭圆的壳体、壳体内部旋转的带叶轮的转子和连在壳体两则的盖子组成。材料为铸铁。当叶轮旋转时,由于离心力的作用把壳体内的硫酸抛向壳壁,形成一个紧贴着壳壁的液环随之旋转。因壁与叶轮间距离各处不等,利用其空间的大小不等,硫酸离开叶轮、气体空间变大,外来氯气从进口吸入,硫酸压向叶轮,氯气加压,从出口通道排出,如此周而复始进入气体的输送。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条