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Berberine was abstracted from coptis chinensis and its inhibition efficiency on corrosion of mild steel in 1M H 2 SO 4 was investigated through weight loss experiment, electrochemical techniques and scanning electronic microscope (SEM) with energy disperse spectrometer (EDS). The weight loss results showed that berberine is an excellent corrosion inhibitor for mild steel immersed in...
The inhibition effect of metal-free phthalocyanine (H 2 Pc), copper phthalocyanine (CuPc) and copper phthalocyanine tetrasulfuric tetrasodium salt (CuPc·S 4 ·Na 4 ) on mild steel in 1mol/l HCl in the concentration range of 1.0×10 −5 to 1.0×10 −3 mol/l was investigated by electrochemical test, scanning electron microscope with energy dispersive spectrometer (SEM/EDS)...
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