The purity of methysulfonic acid has great effect on the property of the methysulfonic acid electroplating bath which has been applied for Sn and Sn-Pb alloy electroplating.

• 甲基磺酸电解液已经应用到锡和锡铅电镀,甲基磺酸的纯度对其电镀液性能有较大影响。