Figure 3
From: A sensitive colorimetric probe for detection of the phosphate ion

UV–vis spectra (A) and curve(B) of MB residue of 0.05 g TNT adsorbed different mole MB (10 mL).
From: A sensitive colorimetric probe for detection of the phosphate ion

UV–vis spectra (A) and curve(B) of MB residue of 0.05 g TNT adsorbed different mole MB (10 mL).