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Cobalt in inorganic form is also micronutrient for bacteria, algae and fungi.
C 2373 (OTTO) Cobalt, cubes, 99.9% Cas 7440-48-4 - used in the manufacture of magnetic, wear-resistant and high-strength alloys. C 2373 (OTTO) Cobalt, cubes, 99.9% Cas 7440-48-4 - used in lithium-ion batteries.