How can I dissolve the Al substrate?

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Minh Ngoc Ha

The AAO template is removed by immersing in NaOH or. HF acid solution.

Abdulkareem M.A. Al-sammarraie

There are three successful methods:

1-CuSO4(40g/l)+drops of conc.HCl

2-saturated Hg2Cl2

3-electromachening by NaCl solution using ss cathode and 4-10vdc

all these methodologies were recommended

Maryam Behzadi

Thanks for your help