GB/T 20975.25-2008 is the 25th part of the chemical analysis method of aluminum and aluminum alloys, using Inductance Coupled Plasma Atomic Emission Spectroscopy (AES) method. This standard describes the determination principle, specifies the required equipment and reagents, and details the process of Sample Handling and determination steps. It can accurately analyze the content of various elements in aluminum and aluminum alloys, provide an important basis for quality control and performance evaluation of aluminum and aluminum alloy production, help standardize the industry testing process, improve product mass Stability, and promote the standardization development of aluminum and aluminum alloy industry.