Kazem Barzegar,
Lida Rafati,
Maryam Farzi,
Mohammad Hassan Ehrampoush,
Mohammad Hossien Salmani,
Background: Co(II) constitutes a part of vitamin B12, hence, it is necessary for human health. However, at concentrations higher than the permissible limits, humans and animals suffer adverse chronic effects. It is necessary to reduce the concentration to a permissible level. In the present study, pre-purification and thermal modification of chicken’s feather increased their porosity and ...