The coating mass results found by GD-OES (integrating from the coating surface to the cross point of Sn and Fe curve) were consistent with those obtained by chemistry.

• 辉光光谱法与化学法测定样品镀锡量结果对比发现，化学法所得结果与本方法中积分到锡铁曲线交点处的结果一致。