▎ 摘　　要

NOVELTY - An anti-oxidation liquid comprises 1-12 g/L polyhydroxy organic substance, 2-10 g/L inorganic film-forming aid, 1-6 g/L organic/inorganic acid and distilled water. USE - Liquid used in anti-oxidation of copper foil (claimed). ADVANTAGE - The anti-oxidation liquid does not contain heavy metal ions such as hexavalent chromium, does not need water washing, is simple to operate, has low energy consumption, is safe and environmentally-friendly, can significantly improve the high-temperature-resistant anti-oxidation effect of copper foil. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation of the anti-oxidation liquid.