reagent removal

Determination of trace ammonium nitrate from neutralized exhaust gas condensate was achieved by reaction of ammonium ion with Nesslers reagent after removal of ammonia by heating, and then analyzed by spectrophotometry at 420 nm.

中和废气冷凝液经加热除氨后，纳氏试剂与NH4+显色反应，用分光光度法测定样品中微量NH4NO3。测定波长420nm。

Development ot Sugarcane Cellulose Xanthate ( SCX)-A Reagent for the Removal of Heavy Metal Ions

重金属脱除剂&SCX的研制

The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.

考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。

The results showed that the removal rate of phenol compounds is higher with three-dimensional electrode-Fenton reagent. Their COD removal rate of simulated wastewater is in the order, polyphenol binary phenol phenol.

实验结果表明，三维电极-Fenton试剂法对废水中酚类去除效率较高，多元酚、二元酚及苯酚去除率的高低的次序为多元酚二元酚苯酚。

With the application of UV spectrophotometry, and solution chemistry method, the reagent removal mechanism of sodium sulfide was studied.

应用紫外吸光光度法和溶液化学的方法研究了硫化钠脱药机理。