KS D ISO 17925-2021 钢上的锌和/或铝基涂层.单位面积涂层质量和化学成分的测定.重量分析法 电感耦合等离子体原子发射光谱法和火焰原子吸收光谱法
Zinc and/or aluminium based coatings on steel — Determination of coating mass per unit area and chemical composition — Gravimetry,inductively coupled plasma atomic emission spectrometry and flame atom