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1·The acidity for hydride generation reaction, selection of buffer solution and oxidizer, dynamic linear range, interference from coexistent elements and their elimination were studied.

主要对锗、锡的氢化反应酸度，缓冲溶液的选择，动态线性范围，氧化剂的选择，共存元素的干扰及其消除进行了实验。

2·The conditions of the color reaction, the adsorption of the colored complex onto the resin, the interference of co-existing ions and its elimination were studied and optimized.

对显色反应、呈色络合物在树脂上的吸附、共存离子的干扰及其消除等条件作了研究和优化。

3·The prospects of the EcHG, including the extending element range for EcHG, the mechanism of electrode reaction, interferences and elimination, were also discussed.

加强电化学氢化物发生反应过程中电极反应机理的探讨；加强干扰消除方法和应用方面的研究等。