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本工作根据钒的8-羟基喹啉化合物的萃取特性萃取分离钒;利用钒对氯酸钾氧化联苯胺反应的催化作用以测定钒。研究了有关的分析条件,提出测定海水中痕量钒的萃取—催化比色法。
In this work, vanadium was extracted and separated according to the extraction characteristics of 8-hydroxyquinoline compounds of vanadium. Vanadium was determined by the catalytic action of vanadium on the benzidine oxidation of potassium chlorate. The relevant analytical conditions were studied and the extraction - catalytic colorimetric method for the determination of trace vanadium in seawater was proposed.