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Monitoring Electrophilic Substitution for Determination of Amino Compounds by Flow Injection Chemiluminescence Methods | ||
| Tikrit Journal of Pure Science | ||
| Article 1, Volume 14, Issue 3, 2009, Pages 42-48 | ||
| Author | ||
| Diyar Salahuddin Ali | ||
| Abstract | ||
| Flow injection chemiluminescence procedure is described for determination of some amino compounds, based on their reaction with bromine produced from reaction of bromate/bromide mixture in acidic medium. Some bromine is consumed and the rest catalyze the chemiluminescence intensity of luminol/H2O2 system. The flow injection chemiluminescence methods with merging zone principle were conducted instantly through an on-line design. Sampling rate was 95 s.h-1 . Amino compounds such as aniline, 1-naphthyl amine, o-anisidine, 2-methyl aniline and acryl amide were determined and best working conditions for their determinations were optimized. Linear calibrations of these compounds were in the range 1x10-7 – 1x10-2 M with correlation coefficients of (0.989), (0.985), (0.992), (0.997) and (0.980) respectively. | ||
| Keywords | ||
| injection; Chemiluminescence; Bromination; Amino compounds | ||
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