摘要: The dp-polarographic and stripping voltammetric behaviour of germanium(IV) in the presence various supporting electrolytes is discussed. Moreover, a highly sensitive adsorptive technique has been developed. determination based on accumulation germanium(IV)-diol complexes by adsorption at hanging mercury drop electrode, followed cathodic voltammetry. Suitable for complex forming reaction are catechol (1,2-dihydroxybenzol) pyrogallol (1,2,3-trihydroxybenzol). By using detection limit 0.1 ng ml−1 with standard deviation ±13%. A multistage combined procedure voltammetry described germanium traces ginseng garlic. results compared those extraction-spectrophotometry atomic absorption spectrometry.