Lipophilic guanidinium compounds for removal of oxyanions from aqueous solutions

PROCESSED SLAG AND METHODS FOR PRODUCING SAME

Method for recovering scandium

Method for recovering high-purity scandium

Processed slag and methods for producing same

Methods and composition for sequential isolation of rare earth elements

Lixiviant for rare earth production

Systems and methods for alkaline earth production

Reverse iron ore flotation by collectors in aqueous nanoemulsion

Scandium extraction method

Refining methods and agents for rare earth production

Refining agents for alkaline earth production