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    • 7. 发明公开
    • SUPPLEMENT, SURFACE-TREATED METAL MATERIAL, AND PRODUCTION METHOD THEREFOR
    • ERGÄNZUNG,OBERFLÄCHENBEHANDELTESMETALLMATERIAL UND HERSTELLUNGSVERFAHRENDAFÜR
    • EP3006600A1
    • 2016-04-13
    • EP13886009.3
    • 2013-05-28
    • NIHON PARKERIZING CO., LTD.
    • KAWAI, SatoshiKAWADE, Yoshiyuki
    • C23C22/34C25D9/04
    • C25D3/54C23C22/34C23C22/86C25D9/04
    • The purpose of the present invention is to provide a replenisher that avoids an increase in the HF concentration in a surface-treatment liquid for metal materials, is capable of supplying zirconium ions at high concentration by using the metal material surface-treatment liquid, and has excellent long-term storage stability, in order to continuously chemically convert and/or electrolytically treat a metal material. This replenisher contains prescribed amounts of: a zirconium compound (A) not containing fluorine and including at least one type selected from a group comprising zirconium basic carbonate, zirconium carbonate, zirconium hydroxide, and ammonium zirconium carbonate; a fluorine-containing matter (B) including at least one type selected from a group comprising hydrofluoric acid, a hydrofluoric acid salt, fluorozirconic acid, and a fluorozirconic acid salt; and an acid component (C) including at least one type selected from a group comprising nitric acid, hydrochloric acid, sulfuric acid, and acetic acid.
    • 本发明的目的是提供一种避免金属材料的表面处理液中HF浓度增加的补充剂,能够通过使用金属材料表面处理液体以高浓度供给锆离子,并具有 优异的长期储存稳定性,以便连续地化学转化和/或电解处理金属材料。 该补充剂含有规定量的:不含氟的锆化合物(A),并且包括选自碱式碳酸锆,碳酸锆,氢氧化锆和碳酸锆铵的组中的至少一种。 包含选自氢氟酸,氢氟酸盐,氟锆酸和氟锆酸盐中的至少一种的含氟物质(B) 和包含选自硝酸,盐酸,硫酸和乙酸中的至少一种的酸成分(C)。