Spectrophotometric analyses of strong acid and metal-ion precipitated humic acid from the Santa Barbara groundwater
Humic acid from the Santa Barbara groundwater was precipitated using strong acid and six selected metal ions, Fe(III), Cr(III), Ni(II), CU(II), Cd(II) and Pb(II). Solutions containing humic acid and metal ions at various concentration ratios were prepared and the UV-Vis absorbance was measured. Humi...
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Miagao, Iloilo
University of the Philippines Visayas
2010.
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