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A flow injection analysis (FIA) system combined with dual-wavelength overlapping resonance Rayleigh scattering (DWO–RRS) has been established and validated for rapid determination of malachite green (MG) and its metabolite in fish samples. Under experimental condition, MG would react with Erythrosin (Ery) to form ion-association complexes, resulting in the occurrence of two RRS peaks and a dramatic...
In pH 4.2–5.2 HOAc‐NaOAc buffer solution, Ag+ reacted with dihalogenated fluorescein (DHF) dyes to form a 1:2 anionic complex. This anionic complex could further react with hyoscine butylbromide (HBB) to form 1:1 ion‐association complex, which resulted in the significant enhancement of resonance Rayleigh scattering (RRS) intensity. Therefore, a novel method for the determination of HBB by resonance...
A flow injection analysis (FIA) method coupled to resonance Rayleigh scattering (RRS) detection for the determination of verapamil hydrochloride (VP) was proposed. In pH 1.0 acidic medium, 12-tungstophosphoric acid (TP) reacted with VP to form an ion-association complex, which resulted in a significant enhancement of RRS intensity. The maximum scattering peak was located at 293nm. RRS intensity was...
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