segunenud vedelike lahutamismeetod, mis põhineb mitmekordsel destillatsioonil; kasutatakse metallurgias mõnede madala keemistemperatuuriga metallide (nt Pb, Zn) rafineerimisel (vt rektifikatsioon)
puryfication of of low-melting-point metals (e.g. Pb, Zn etc) by distillation; this process emphasizes repeated cycles to achieve higher purity levels (see: rectification)
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