阅读说明：本技术 黑色磷化剂、金属件及其表面磷化处理方法 (Black phosphating agent, metal piece and surface phosphating method thereof ) 是由 方招娣 于 2017-07-04 设计创作，主要内容包括：一种黑色磷化剂、金属件及其表面磷化处理方法,所述黑色磷化剂用于在金属件表面形成皮膜,以1000重量份计,其包括如下重量份数的成分：30-50份磷酸二氢锰,40-60份硝酸锌,2-5份硝酸镍,1-4份乙酸,1-4份柠檬酸铵、0.5-2份钼酸铋和余量水。上述黑色磷化剂形成的膜层致密、均匀、韧性好、厚度大、高耐蚀性,沉渣少,适用于钢铁表面的耐蚀处理。(The black phosphating agent is used for forming a film on the surface of a metal piece and comprises the following components in parts by weight in 1000 parts: 30-50 parts of manganese dihydrogen phosphate, 40-60 parts of zinc nitrate, 2-5 parts of nickel nitrate, 1-4 parts of acetic acid, 1-4 parts of ammonium citrate, 0.5-2 parts of bismuth molybdate and the balance of water. The film formed by the black phosphating agent is compact and uniform, has good toughness, large thickness, high corrosion resistance and less sediment, and is suitable for corrosion resistant treatment of the surface of steel.)