Hafnium dioxide purification
Hafnium radioisotope recovery from irradiated tantalum
Halidation of manganiferous ore to obtain metal values and recov
Halogen recovery
Halogen tin electrodeposition bath sludge treatment
Heap leaching agglomeration and detoxification
Heap leaching copper ore using sodium nitrate
Heap leaching ores containing gold and silver
Heat treatment of material
Heat-aided method for separating the graphite matrix from the nu
Heated ion exchange process for the recovery of uranium
Hemihydrate type phosphoric acid process
Hemihydrate type phosphoric acid process using reduced pressure
Hemihydrate type phosphoric acid process with crystal modifier
Hemihydrate type process for phosphoric acid manufacture using a
High density magnesia pellet and method for making same
High purity iron oxide and method for production hereof
High purity lithium salts and lithium salt solutions
High resistivity aluminum antimonide radiation detector
High slurry density sulfidic mineral leaching using nitrogen dio