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。
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。
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