Yep, that will work as well Mark. CuSO4 does a good job of increasing the reaction rate. My concern with the NaOH is that I have seen it destroy pyrex burettes which are calibrated to +/- 0.05mL. How then would a mirror figured to wave lengths of light fare? Again working with any of the strong acids (e.g. nitric, HCl or sulfuric) when concentrated takes a bit of knowledge and a lot of care. If you don't know how leave the stuff alone.
Mark
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