氟硼酸盐锡铅合金镀液中锡、铅含量的测定  

Determination of tin and lead content in fluoborate tin-lead alloy plating baths

作　　者：郭光美[1] 王云清[1] 段惠敏[1] 赵韵琪[1] 

机构地区：[1]河北科技大学,河北石家庄050061

出　　处：《电镀与涂饰》2000年第3期29-31,共3页Electroplating & Finishing

摘　　要：针对传统的氟硼酸盐锡铅镀液中锡、铅含量的测定方法所存在的重现性差、测量结果不准确等缺点进行了改进。采用氟化铵作为掩蔽剂以消除Sn2 + 的影响 ,经多次试验 ,结果表明 :该方法简便易行、终点变色敏锐、准确度高。In view of the weaknesses of poor repeatability and low accuracy in the traditional determination of tin and lead content in fluoborate tin-lead alloy bath, ammonium fluoride was added as masking agent to eliminate the disturbance of stannous ions. Repeated tests show that the modified method is easy to operate, and has obvious color change at end point and high accuracy.

关 键 词：锡铅合金 氟硼酸盐 锡含量 铅含量 镀液 电镀 

分 类 号：TQ153.2[化学工程—电化学工业]