GB/T 6824-2008 stipulates the method for the determination of copper ion exudation rate of anti-fouling paint on the bottom of the ship. The standard clarifies the test principle, equipment, sample preparation process, specifies the soaking, sampling and copper Ion concentration measurement steps in detail, and accurately calculates the copper ion exudation rate through standardized operation. It is used to evaluate the anti-fouling paint anti-fouling performance and durability of the bottom. It provides a scientific and unified measurement basis for the anti-fouling paint mass detection, Product Research & Development and performance optimization of the bottom of the ship to ensure the anti-fouling effect of the ship.