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    • 2. 发明公开
    • 슬러지 발생이 없는 인산아연 처리액 및 인산아연 처리방법
    • ZINC磷酸盐处理溶液不产生淤泥和磷酸锌处理方法
    • KR1020010006711A
    • 2001-01-26
    • KR1020000009778
    • 2000-02-28
    • 니혼 파커라이징 가부시키가이샤
    • 가와구치쥰이시쿠라가즈히로만미도모유키
    • C23F11/167
    • C25D11/36
    • PURPOSE: To provide a zinc phosphate treating soln. free from the generation of sludge and to provide a zinc phosphate treating method. CONSTITUTION: In this zinc phosphate treating soln., the respective molar concns. of Zn, H3PO4 and NHO3, i.e., £Zn|, £H3PO4| and £HNO3| satisfy the inequality of £Zn|= = two kinds of additives selected from nitrous acid, permanganic acid, persulfuric acid, hydrogen peroxide, chloric acid, perchloric acid, nitrobenzenesulfonic acid, hydroxylamine, starch phosphoric ester and a fluorine compd. As to the zinc phosphate treating method, a metallic member as the object is subjected to cathode electrolyzing treatment in the zinc phosphate treating soln. Or, the metallic member as the object is brought into contact with an alkalescent colloid aq. soln. contg. titanium oxide, titanium hydroxide and zinc phosphate, which is thereafter subjected to cathode electrolytic treatment in the zinc phosphate treating soln.
    • 目的:提供磷酸锌处理溶液。 不产生污泥并提供磷酸锌处理方法。 构成:在该磷酸锌处理溶液中,相应的摩尔浓度 的Zn,H 3 PO 4和NHO 3,即£Zn |,£H 3 PO 4 | 和£HNO3 | 满足£Zn | = <0.3£H3PO4 | +0.5£HNO3 |的不等式。 磷酸锌处理溶液 优选含有选自亚硝酸,高锰酸,过硫酸,过氧化氢,氯酸,高氯酸,硝基苯磺酸,羟胺,淀粉磷酸酯和氟化合物中的一种或> = 2种添加剂。 对于磷酸锌处理方法,在磷酸锌处理溶液中对作为对象的金属构件进行阴极电解处理。 或者,将作为对象的金属构件与碱性胶体水溶液接触。 SOLN。 contg。 氧化钛,氢氧化钛和磷酸锌,然后在磷酸锌处理溶液中进行阴极电解处理。