Micronutrients and heavy metals such as Fe, Cu, Mn, Zn, Pb, Cd, and Ni were
estimated after wet digestion with a 1:4 HClO4:HNO3 mixture,
followed by the measurement of respective concentrations
using the atomic absorption spectrophotometer.
Micronutrients and heavy metals such as Fe, Cu, Mn, Zn, Pb, Cd, and Ni were
estimated after wet digestion with a 1:4 HClO4:HNO3 mixture,
followed by the measurement of respective concentrations
using the atomic absorption spectrophotometer.
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