… Salts of oxometallic or peroxometallic acids. …
Explanatory notes
… 28.41 ‑ Salts of oxometallic or peroxometallic acids. 2841.30 ‑ Sodium dichromate 2841.50 ‑ Other chromates and dichromates; … and peroxometallic acids (corresponding to metal oxides which constitute anhydrides). The main groups of …
