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yong quan qing jian yi zheng liu fen xi yi ding liang ce ding du ye zhong de wei liang lv li zi
Author(s): 
Pages: 48-51
Year: Issue:  2
Journal: Electroplating & Finishing

Keyword:  氯离子浓度镀铜槽离子杂质定量测定曲颈瓶氛离子吸光度硫酸浓度硫酸溶液电镀液;
Abstract: <正> 一、前言镀液中所含的氯离子,会给电镀结果带来各种影响,务必经常控制。例如,在光亮镀铜槽液中,作为主要成份,通常就需要20~80mg/l的氯离子,如果其含量高于或低于此数字时,则就会给电镀带来不良影响。此外,在镀铬槽液中,由自来水和前处理过程带进的氯离子杂质被限定为20mg/l。
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