TARIC 2923.90.00.75 — Tetraethylammonium hydroxide, in the form of an aqueous solution containing: -|35|% (±|0,5|%) by weight of tetraethylammonium hydroxide, -|not more than 1|000|mg/kg of chloride, -|not more than 2|mg/kg|of iron and -|not more than 10|mg/kg|of potassium | TariffCodex