The recommended passivating solution could be used not only for passivating zinc hot dipped coating but also for Zn-Ni and Zn-Fe alloy coating.

• 结果表明，该钝化液适合于热浸锌合金镀层的表面钝化处理，亦适用于电镀锌及锌合金镀层、锌合金压铸件等的钝化处理，应用范围宽，且工序简化，抛光和钝化一步完成。