Balbach-Thum -a [bálbah-túm] m
EM. Balbach-Thumov postopek elektrolizne rafinacije srebra z vodoravnimi elektrodami
Angl.: Balbach process (or Balbach-Thum process: depending on HNO3 concentration in electrolyte in silver refining with horizontal electrodes)
Nem.: Balbach-Thum-Verfahren n