【摘要】 本文提出了一种酸性镀锡液中游离硫酸含量的测定方法。阐述了该方法的原理 ,该方法准确度高 ,可满足生产的需要。更多还原

【Abstract】 A method for the determination of free sulfuric acid in acid tin plating bath was advanced. Fundamental of this method was described. Results show that this method has high accuracy which meets the demand of practice.更多还原