Why zinc and magnesium good sacrificial anodes

Reference no: EM13168553

why zinc and magnesium good sacrificial anodes for pipeline,but lead and tin will not be good? what would happen to pipeline protected by lead sacrificial anodes,and why?

Reference no: EM13168553

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Why zinc and magnesium good sacrificial anodes : why zinc and magnesium good sacrificial anodes for pipeline,but lead and tin will not be good? what would happen to pipeline protected by lead sacrificial anodes,and why?

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