ELECTROLYTIC BATH FOR PRECIPITATION OF BRIGHT NICKEL LAYER, MIXTURE FOR USE IN ELECTROLYTIC BATH FOR PRECIPITATION OF BRIGHT NICKEL LAYER AND PRODUCTION METHOD OF ARTICLE HAVING BRIGHT NICKEL LAYER

摘要

PROBLEM TO BE SOLVED: To provide an electrolytic bath for production of a bright nickel layer on a constituent element of a part for a water conduit tube and a mixture for use in an electrolytic bath.SOLUTION: An electrolytic bath or a mixture comprises (c) benzoic acid sulfimide and/or benzoic acid sulfimide anion, (h) one or more or all the compounds selected from chloral hydrate, bromal hydrate, formic acid, formate, acetic acid, acetate and substituted/unsubstituted aliphatic aldehydes, (a) nickel ion, (b) one ore more acids, (e) one or more acetylene-based unsaturated compounds of formula (I), (f) one or more betaines of formula (II) and (g) one or more humectants.