In respect to a metal deposition preventive effect, when a content of a complexing agent in a surface treatment composition is constant, among the above Group B1, particularly amino acids such as glycine, iminocarboxylic acids such as iminodiacetic acid, nitrilotriacetic acid and ethylenediaminetetraacetic acid [EDTA], and heterocyclic polycycloamines such as 8-quinolinol and o-phenanthroline, are