acidic etching solution的用法和样例：
- KSM-201is air-drying etching resist ink for acidic etching solution, which is used for making patterns on copper-clad laminates by means of acidic etching.
- Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent.
- Effect of acid etching on electrical performances of microchannel plate[J].
- This paper describes analysis adjustment and maintain of persulphate etching solution in PCB production.
- The new method of producing basic copper carbonate from waste etching solution containing copper.