PCB acid etching liquid suitable for ozone recycling method

作者: Situ Yue , Xing Zheng , Huang Hong

DOI:

关键词: CopperHydrochloric acidChlorateWettingSolubilityChemistryOzoneCrystallizationNuclear chemistrySodium

摘要: The invention discloses PCB acid etching liquid suitable for an ozone recycling method. is prepared from bivalence copper with the content being 130 g/L-170 g/L, high-solubility chlorate 120 g/L-200 hydrochloric 1.5 mol/L-2.5 mol/L, a stabilizing agent 1 g/L-10 wetting 0.1 g/L-0.3 g/L and banking g/L-0.5 g/L. According to liquid, sodium chloride in original process removed, higher solubility adopted so that crystallization can be convenient, formula totally adapts new technological process, subsequent treatment facilitated, simplified.