Report copyright - Bangalore Chapter – News Letter - May 2020.pdfMn2+ 12 mg 4 mg Fe3+ 4-5 g 10 – 20 mg Fe2+ 4-5 g 10 – 20 mg Co2+ 1 mg 3µg Ni2+ 10 mg 6µg Cu2+ 0.1 g 3 mg Zn2+ 2 g 15 mg About
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