Purification of tungsten carbide compositions

• Main Authors: Mark GREENFIELD, Pankaj, Kumar MEHROTRA
• Format: Patent
• Language: Swedish
• Published: 02.10.2018
• Subjects: CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS

In one aspect, methods of purifying WC compositions are described herein. A method of purifying a WC composition comprises contacting the WC composition with an electrolyte solution comprising a cationic metal oxidant and oxidizing one or more metal impurities of the WC composition with the cationic...