Abstract
The authors of the title paper (Mater. Lett. 161 (2015) 224–226) claimed to have grown ethylenediaminetetraacetic acid doped ferrous sulfate heptahydrate (FeEDTA) crystal by slow evaporation method. In this letter, many points of criticism concerning the growth of the so-called FeEDTA crystal are described to prove that it is in fact surface degraded FeSO4·7H2O crystal.
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