extraction with air injection

Extraction with alcohol

extraction with alkali

Extraction with aqua regia

extraction with electrolyte addition

Extraction with N 235

Extraction with n-hexane

Extraction with organic solvent

extraction with P204+TBP+aviation fuel

extraction with petroleum benzine

extraction with small incision

extraction with solid-phase

extraction with super critical fluid

Extraction with supercritical CO2

extraction with supercritical fluid CO2

extraction with toluene

extraction with two-phase solvent system

extraction with water

Glauber’ s salt extraction rale

High salt extraction method