Nickel removing agent and nickel removing method

The invention aims to provide a nickel removing agent and a nickel removing method. The nickel removing agent is used to remove the nickel on the surface of the oxide film on an aluminum anode. Afterthe treatment, the oxide film on the aluminum anode has a strong color resistant property and an excellent anti-corrosion performance. The invention provides a nickel removing agent, which is characterized by comprising vanadium compounds and aluminum salts and is used to remove the nickel on the oxide film on an aluminum anode, whose pores have been sealed. 本发明的课题在于提供一种能够去除铝的阳极氧化被膜表面的镍、并且经处理后的铝的阳极氧化被膜能够显示优异的耐色性和抗腐蚀性的镍去除剂和镍去除方法。其解决手段为提供一种镍去除剂，其特征在于，该镍去除剂去除经封孔处理后的铝的阳极氧化被膜表面的镍，含有钒化合物和铝盐。