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基于在磷酸溶液中 ,亚硝酸根对溴酸钾氧化吡红Y具有催化作用 ,建立了催化荧光法测定痕量亚硝酸根的新方法。方法的线性范围为 0 .2～ 6.4ng·ml-1。将方法用于水样、药物中亚硝酸根含量的测定 ,结果满意
Based on the catalytic effect of nitrite on the oxidation of pyrinine Y by potassium bromate in phosphoric acid solution, a new method for the determination of trace nitrite by catalytic fluorimetry was established. The linear range of the method was 0.2-2.4 ng · ml-1. The method was applied to the determination of nitrite content in water samples and drugs, and the results were satisfactory