The film formed on the specimen exposed to sea-water containing 40 ppm Na 2S was black in colour and was found to be a mixture of Cu 2S and Cu 2O. Film composition with the addition of 1 ppm FeSO 4 to polluted sea-water was more or less the same as without the addition. However...
The film formed on the specimen exposed to sea-water containing 40 ppm Na2S was black in colour and was found to be a mixture of Cu2S and Cu2O. Film composition with the addition of 1 ppm FeSO4 to polluted sea-water was more or less the same as without the addition. However, addition...