【摘要】 研究了银对亚铁氰化钾与邻菲罗啉反应的催化作用 ,影响催化显色反应速度的最佳条件 ,建立了测定水中微量银的催化动力学光度法。方法的检出限为1 .2 0× 1 0 -6g/L,测定范围为 0 .0 1～ 0 .2 0 mg/L。已用于测定饮用水中的痕量银。更多还原

【Abstract】 The catalytic effect of silver on the reaction of potassium ferrocyanide with o phenanthroline was discussed.The optimum conditions and the rate of the reaction were obtained,the detection limit for Ag + is 1.20×10 -6 g/L,the linear range of the determination is 0.01～0 20 mg/L for Ag +.The method was applied to determining the Ag + concentration in tap water.更多还原