A compound brightener agent consisting of sodium benzene sulphinate,pyridine and sodium allyl sulphonate was added in the nickel-phosphorus electroless plating bath,and bright coatings can be obtained from the bath.

• 在化学镀N i-P合金镀液中加入由苯亚磺酸钠、吡啶和烯丙基磺酸钠组成的复合光亮剂,得到了光亮的化学镀层。