why magnesium is not used to build the hulls of the ships?
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Magnesium anodes cannot be used in ballast tanks because they generate hydrogen in use, which can have deleterious effects on some ballast tank coatings. Aluminum anodes have limited use in tankers as they can produce a spark hazard if they fall or are dropped from significant heights.
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25.8. 2.1 Sacrificial Anodes
Magnesium anodes cannot be used in ballast tanks because they generate hydrogen in use, which can have deleterious effects on some ballast tank coatings. Aluminum anodes have limited use in tankers as they can produce a spark hazard if they fall or are dropped from significant heights.
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