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Iron reduction tests on corroded iron coupons treated with cultures of Desulfitobacterium hafniense strains TCE1 and LBE. On the left, the appearance of the untreated coupon, the abiotic control, and the coupons treated with the strains TCE1 and LBE, are shown. On the right, the corresponding SEM images of the areas indicated by black squares inside the coupons are presented.
