Eurostat, Luxembourg. 2815 (01/1988-..) Sodium hydroxide `caustic soda`, potassium hydroxide `caustic potash`, peroxides of sodium or potassium: CN 2815 /Exports /Unit = Prices (Euro/ton) /Partner: Latvia /Reporter: Eur27_2020 /2815:Sodium Hydroxide `caustic Soda`, Potassium Hydroxide `caustic Potash`; Peroxides of Sodium or Potassium.