DETERMINATION OF SOME SELECTED HEAVY METALS CONCENTRATION IN Hibiscus Sabdariffa CALCYCES IN DUTSE JIGAWA STATE  

2021-08-08
Hibiscus sabdarijfa (Roselle) calyces contains significant amount of minerals ranging from with K. Ca, and Mg as well as some trace elements (Fe, Mn, Zn, and Cu) that the play ...