The main objective of this study is

The main objective of this study is the quantification of the
most significant and common heavy metals (Al, Cr, Fe, Ni, Cu, Zn,
As, Cd, Sn, Hg and Pb

ผลลัพธ์ (อังกฤษ) 2:

The Main Objective of this Study is the quantification of the
Most significant and common Heavy Metals (Al, Cr, Fe, Ni, Cu, Zn,
As, Cd, Sn, Pb and Hg.