phosphoric acid and hydrogen peroxide
Kevin Chih-Yao Huang
khu834 at stanford.edu
Thu Oct 6 15:06:01 PDT 2011
My name is Kevin Huang. Coral ID khu834.
I would like to mix H3PO4:H2O2:H20 in the ratio 2:1:25 for etching GaAs at
I just want to make sure that this is ok.
If this is ok, I would also like to check whether pyrex beakers and
measuring cylinders are fine, or do I have to use teflon beakers.
I will make sure the etched GaAs is collected and disposed via the chemical
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