模拟工业-海岸大气中pH值对Q235B钢腐蚀行为的影响<sup>*</sup>

模拟工业-海岸大气中pH值对Q235B钢腐蚀行为的影响^*

陈文娟, 郝龙, 董俊华, 柯伟, 文怀梁

EFFECT OF pH VALUE ON THE CORROSION EVOLUTION OF Q235B STEEL IN SIMULATED COASTAL-INDUSTRIAL ATMOSPHERES

CHEN Wenjuan, HAO Long, DONG Junhua, KE Wei, WEN Huailiang

表1 模拟工业-海岸大气环境所用电解质溶液浓度与pH值

Table 1 The electrolytes for simulating the coastal-industrial atmosphere with different SO₂ contents and pH value

Atmosphere	Na₂SO₃/ (mol·L^-¹)	NaCl / (mol·L^-¹)	pH value
No.1	0.001	0.050	3.5
No.2	0.001	0.050	4.5
No.3	0.001	0.050	6.0
No.4	0.010	0.050	3.5
No.5	0.010	0.050	4.5
No.6	0.010	0.050	6.0
No.7	0.150	0.050	3.5
No.8	0.150	0.050	4.5
No.9	0.150	0.050	6.0