Why the digested solution of e-waste with aqua regia was diluted with 0.5M HNO3 before determine the metal contents using AAS or ICP-OES?

Izzat Naim Shamsul Kahar @Izzat-Naim-Shamsul-Kahar

01 February 2023 1 5K Report

Several studies diluted the digested solution of e-waste but what is the purpose of this procedure?

Because all most standards are diluted with 0.5 M HNO3. The sample and standard should have the same concentration of acid.

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