【摘要】 本法以铜管加罩电极作为垂直电极摄谱法的一个电极,直接对未经任何预处理的金溶液浓缩富集,随即进行摄谱测定。经对加罩电极性状、浓缩富集方式和富集摄谱条件等主要相关参数试验选择,初步选定富集测定微量金的条件。检测限和准确度均较好。更多还原

【Abstract】 Paucity gold without pretreating was determinated directly by perpendicular electrode spectrograph with copper tube masked electrode as one of the electrodes for preconcentrating gold on a graphite tube. The shape of masked electrode, the method of concentration and the relative coefficient of concentration, and spectrograph were selected for the determination of paucity gold. This method is simple and rapid, and has lower detection limit and better accuracy.更多还原