Tests 1 and 2 were performedwith entire batteries, the first with a nitric acid solution atpH 4, and the second one with deionized water. In Tests 3 and 4,cross-cut batteries were used, respectively, with nitric acid solutionat pH 4 and deionized water. The tests were carried out intwo steps with different conditions, designated Step 1 and Step 2.
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