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Journal of Analytical Science and Technology
Figure 2 | Journal of Analytical Science and Technology

Figure 2

From: Trichloroacetic acid assisted synthesis of gold nanoparticles and its application in detection and estimation of pesticide

Figure 2

UV–vis spectra of GNP and GNP with various concentrations of methyl parathion (A) 10 to 70 ppm (C) 100 to 500 ppm and corresponding changes of absorption coefficients (Ex 400/532) with various concentrations of methyl parathion (B) 10 to 70 ppm (D) 100 to 500 ppm. 2(D) (inset): digital photographic images of color changes due to addition of methyl parathion.

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