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多元酚用于锗的极谱测定已有报导,最近,有人研究了在pH2的硫酸介质中,有钒(Ⅳ)存在下,锗—多元酚络合物在电极上将产生一灵敏的极谱波,然该方法受pH的影响较大,引起干扰的因素较多,故在掌握上有一定困难。 本文在前人工作的基础上,寻求了一个较为稳定的测定体系,制订了简易的,切实可行的分析流程。 该方法极为灵敏,最低检出限可达0.0000X微克/毫升。对含量为2ppm左右的样品(绝对量为0.04微克锗),经10次实验,标准偏差S=0.00071,相对标准偏差为1.8％,标准溶
The use of polyphenols for the polarographic determination of germanium has been reported. Recently, it has been reported that in the presence of vanadium (IV) in the presence of vanadium (IV) in sulfuric acid media of pH 2, it has been reported that germanium-polyhydric phenol complexes will produce a sensitive polarographic Wave, however, this method is more affected by the pH, interference caused by many factors, it is difficult to master. Based on the work of predecessors, this paper has sought a relatively stable measurement system and formulated a simple and practical analysis process. This method is extremely sensitive with a minimum detection limit of up to 0.0000X μg / mL. For samples with a content of about 2 ppm (an absolute amount of 0.04 μg germanium), the standard deviation S = 0.00071, the relative standard deviation was 1.8% after 10 experiments, the standard solution