Warning 1 states that the personnel using this document need to have practical experience in formal laboratory work. Since this document fails to cover all possible safety issues, it is the responsibility of the user to take appropriate safety and health measures and ensure compliance with the conditions stipulated in relevant national regulations. This document stipulates the method for the determination of lithium, sodium, mg, aluminum, potassium, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper and zinc content in nickel ores using mixed acid analysis Inductance Coupled Plasma Atomic Emission Spectroscopy (AES) method. It is suitable for the determination of the above elements in nickel ores, including the detection limit and determination range of the method.