The formation and passivation solution composition, PH value, temperature and time, PH value is the most important factor. Hand in metal substrate to dissolve PH condition, on the other hand, the membrane formation rate and PH value. This experiment mainly with open point - time curve method, Tafel curve method and salt spray test to study corrosion passivation solution PH value and passivation membrane resistance and determine the optimal PH value.
0-Phenitidine是什么化学试剂
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