GB/T 31926-2015
ActiveZinc and aluminum based coatings on steel sheets and strips—Determination of lead，cadmium and chromium contens—Glow discharge atomic emission spectrometry method
钢板及钢带 锌基和铝基镀层中铅、镉和铬含量的测定 辉光放电原子发射光谱法
Application Summary AI generated
This standard specifies a glow discharge atomic emission spectrometry method for determining lead, cadmium, and chromium content in zinc-based and aluminum-based coatings on steel sheets and strips. It is applied in the metallurgical industry for quality control and compliance testing of coated steel products, particularly to verify that hazardous heavy metal concentrations meet environmental and safety regulations. The method is used by manufacturers, testing laboratories, and procurement professionals to ensure coating composition standards are met.
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