Germanium plays an essential role in many high-tech fields because of its excellent
electrical and optical properties. For germanium from primary resources, approximately …

Germanium is indispensable for various applications, especially in infrared optics, and has
been designated as a strategic resource. However, independent germanium deposits are …

Germanium as a strategic metalloid is widely used in high-tech devices. The most crucial
germanium resources are rare and limited to zinc minerals, ie, especially zinc sulfides and …

Modern industries that are involved in the design and development of high-technology
products rely heavily on the availability of critical materials. As a result, there has been a …

Germanium and indium are considered by many economies as critical raw materials.
Therefore, investigation on possible methods of selective extraction of these elements from …

Germanium is considered by many world economies, including the USA and EU, as a critical
raw material. One of the methods, which may be used in its recovery is solvent extraction …

The paper reviews application of various liquid membranes (LM), particularly of emulsion
and supported liquid membranes, for metal separation from model and industrial …

Thermodynamic properties of germanium species in aqueous solution are collected. The
chemical and electrochemical equilibria between various forms of Ge (IV) are considered …

Non-dispersive selective extraction of Ge (IV) tartrates was carried out from simulated fly ash
solutions containing heavy metals through supported liquid membranes (SLM). The …

Abstract In this study, 7‐(4‐ethyl‐1‐methyloctyl)‐8‐quinolinol (HL, Kelex 100) and 5, 8‐
diethyl‐7‐hydroxydodecane‐6‐oxime (LIX 63, HA) were employed to recover Ge (IV) from …