The traditional process, the chrome plating solution the chromium acid as the foundation and sulfuric acid as catalyst, the ratio of 100 to 1.

传统的镀铬工艺，其电镀液以铬酸为基础，以硫酸作催化剂，两者的比例为100：1。

youdao

Black chrome is one of special strain in the system of chrome-plating. This paper simply introduced formula of plating solution, technical terms, influential factors and matters needing attention.

黑铬是镀铬体系中的一种特殊镀种。本文简要介绍镀黑铬的镀液配方、工艺条件、影响因素及注意事项。

youdao