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Spectrophotometric Determination of 1-Naphthylamine - Application to Sea and River Waters | ||
| Rafidain Journal of Science | ||
| Article 10, Volume 20, Issue 3, 2009, Pages 84-91 PDF (0 K) | ||
| DOI: 10.33899/rjs.2009.40239 | ||
| Authors | ||
| Dawood H. Mohammed; Sameer A. Rahim | ||
| Abstract | ||
| The present work includes a detailed investigation of a new spectrophotometric method for the determination of 1-naphthylamine. The method is based on oxidative coupling reaction of the compound with catechol in the presence of potassium chromate as oxidant in acidic medium to form a stable purple–red coloured product which shows maximum absorption at 530 nm. The molar absorptivity is 3685 l.mol-1.cm-1. Beer's law is obeyed over the range of (1- 60) ppm. The method is applied to the recovery of 1-naphthylamine from sea and river water. | ||
| Keywords | ||
| Spectrophotometry; naphthylamine; oxidative coupling | ||
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