chromatogram of anions, f, acetic acid, formic acid, methacrylic acid, cl, no2, br, no3, hpo4, so4, oxalic acid

2d abstract analytical analytics chemical chemistry chromatography composition data diagram flora formula gas gc graphic high hplc medicinal performance physical range research scale science scientific signal study tech vector wave peak chromatogram anions acetic acid formic methacrylic cl no2 br no3 hpo4 so4 oxalic