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本文报导铁(III)在碱性三乙醇胺中与过氧化氢的催化波。利用此催化波可以测定痕量的铁。在最宜条件下,灵敏度可达2·10~(17)M。测定了超纯盐酸和超纯二氧化硅中的铁,得到满意的结果。讨论了催化波的性质和机理。
This paper reports the catalytic wave of iron (III) with hydrogen peroxide in basic triethanolamine. Trace amounts of iron can be measured using this catalytic wave. In the most appropriate conditions, the sensitivity of up to 2 · 10 ~ (17) M. The determination of iron in ultrapure hydrochloric acid and ultrapure silica gave satisfactory results. The nature and mechanism of catalytic wave are discussed.