Zinc and aluminum based coatings on steel sheets and strips—Determination of lead,cadmium and chromium contens—Glow discharge atomic emission spectrometry method
全国钢标准化技术委员会(SAC/TC 183)
本标准规定了辉光放电原子发射光谱法测定铅、镉和铬的含量。
本标准适用于1 μm～50 μm镀层厚度的钢板及钢带表面纯锌、锌铁、锌铝、铝锌镀层中铅镉铬元素含量的测定。测定范围（质量分数）：铅：0.003 5%～0.2%；镉：0.003%～0.2%；铬：0.002%～0.02%。
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