Spectrophtometric Determination of Iron (II) Levels in Shatt Al-Arab Water by Flow Injection Analysis

Abstract

Flow Injection Analysis (FIA) was applied to determine Iron (II) concentrations in surface water of the shatt al-arab river, Al-Basrah city, south of Iraq from October 2009 to September 2010. A linear line was obtained over the range 0.25- 1.75 μg/ml of Iron (II) with regression coefficient for seven points is 0.9999. The detection limit was 0.1 μg/ml with %R.S.D for ten replicate analysis of 1.0 μg/ml Iron (II) is 0.095 % . The samples can be analysed at rates exceeding 108 sample per hour .It was noted that Iron (II) concentration ranged 0.20- 1.65 μg/ml, whereas the maximum Iron (II) concentration was recorded in winter 2010 and the minimum in spring 2010.