摘要
利用银作催化剂，催化分解氧化亚铁氰化钾，并用离子选择电极测定分解产物氰离子，其电位值（Ｅｐ）与一定浓度范围的银（Ｉ）成较好的线性关系，检出限为４．２ｎｇ／ｍｌ。该法用于水样中微量银的测定，结果满意。
Ag(I) has catalytic effect on disintegration and oxidation of K4Fe(CN)6. The ion Selective electrode has been applied to determining cyanic ion, which is one of the disintegration product. The potential (Ep) is good linear to concentration of silver. Therefore, the trace amounts of silver can be determined, the detection limit is 4. 2ng/ml. The method can be used for water analysis with satisfaction.
出处
《广西工学院学报》
CAS
1995年第2期59-61,共3页
Journal of Guangxi University of Technology
关键词
银
电极法
微量分析
水分析
Silver
Catalytic-ion selective electrode method
K_4Fe(CN)_6
