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Fig. 10 | Nanoscale Research Letters

Fig. 10

From: Natural Dissociation Ratio of Carboxyl Group Controlled Highly Dispersed Silver Nanoparticles on PSA Microspheres and Their Catalytic Performance

Fig. 10

a UV-vis spectra of 0.12 mM 4-NP with 36 mM NaBH4 in the presence of nAg@PSA2 nanocomposites (containing 0.0068 mg Ag). b UV-vis spectra of 0.12 mM 4-NP with 36 mM NaBH4 in the presence of nAg@PSA3 nanocomposites (containing 0.0068 mg Ag). c Plot of ln(At/A0) against the reaction time in the presence of nAg@PSA nanocomposites (containing 0.0068 mg Ag) obtained from PSA2–PSA4 nanospheres. d Effects of the particle size of silver nanoparticles on the rate constant. e Effects of the silver amount per square centimeter of PSA nanospheres surface on the rate constant. f Effects of the nanosphere amount per cubic centimeter of nAg@PSA suspension on the rate constant

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