酸洗致基板表面状态变化对镀锡板耐蚀性的影响

赖漾, 徐清亮, 罗群, 李谦

Effect of Pickling-induced Surface Changes of Steel Substrate on Corrosion Resistance of Tinplate

LAI Yang, XU Qingliang, LUO Qun, LI Qian

表4 镀锡板钝化膜成分组成 (atomic fraction / %)

Table 4 Elemental composition of passivation films on tin-plated steels

Sample	Sn 3d_5/2		Cr 2p_3/2		O 1s
	SnO	Sn	Cr₂O₃	Cr(OH)₃	SnO	Cr₂O₃	Cr(OH)₃
R -EP	90.3	9.7	54.6	45.4	7.9	37.8	54.3
R - CP	87.2	12.8	39.6	60.4	8.5	28.4	63.1