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本文研究了S~(2-)在微酸性介质中催化过氧化氢氧化酸性靛兰的褪色反应。找出催化褪色反应的最佳条件,建立了测定S~(2-)的方法,灵敏度为2×10~(-3)g|ml,线性范围0.4～3.5μmol/ml。
In this paper, S ~ (2-) was used to catalyze the oxidation of acid indigo by hydrogen peroxide in slightly acidic media. The optimum conditions for the catalytic fading reaction were found. The method for the determination of S ~ (2-) was developed. The sensitivity was 2 × 10 -3 g -1 ml and the linear range was 0.4-3.5 μmol / ml.