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In a pH 3.6–5.0 HAc-NaAc buffer solution, when sodium tanshinon IIA silate (STSIIA) reacts with La(III) to form a chelate, the resonance Rayleigh scattering (RRS) intensity can be enhanced greatly and a new RRS spectrum will appear. The maximum RRS peak is located at 306 nm and the RRS intensity is proportional to the concentration of STSIIA in a certain range. The method is very sensitive and the...
The interaction between congo red (CR) and amikacin (AMK) was studied by resonance Rayleigh scattering (RRS), frequency doubling scattering (FDS) and second-order scattering (SOS) combining with absorption spectrum. In a weak acidic medium, CR combined with AMK to form an ion association complex with the composition ratio of 1: 1 by electrostatic interaction, hydrophobicity and charge transferring...
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