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- [28] Sequential flow-injection spectrophotometric determination of iron(II) and iron(III) by copper(II)-catalyzed reaction with Tiron FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1997, 358 (04): : 546 - 547
- [29] Sequential flow-injection spectrophotometric determination of iron(II) and iron(III) by copper(II)-catalyzed reaction with Tiron Fresenius' Journal of Analytical Chemistry, 1997, 358 : 546 - 547