A new spectrophotometric method for the determination of trace nitrite is studied. The method is based on the nitrosation reaction of xylene cyanol FF with nitrite in diluted hydrochloric acid medium.
研究了在稀盐酸介质中微量亚硝酸根与二甲苯蓝FF发生的亚硝化反应，建立了测定微量亚硝酸根的新方法。
Therefore, it may be concluded that control of aerobic reaction ending at nitrosation stage is the key to the maintenance and stabilization of short-cut nitrification.
因此可以得出，好氧反应时间的控制在亚硝化阶段基本结束时是维持并稳定短程硝化的关键。
Therefore, it may be concluded that control of aerobic reaction ending at nitrosation stage is the key to the maintenance and stabilization of short-cut nitrification.
因此可以得出，好氧反应时间的控制在亚硝化阶段基本结束时是维持并稳定短程硝化的关键。
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