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Spectrophotometric determinetion of phosphate in river water
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SPECTROPHOTOMETRIC DETERMINETION OF PHOSPHATE IN RIVER WATER (GROUP 3) NAME: Leo Chiedu Aim Phosphorus is one of the most abundant elements on earth, though not found alone but in a combined form as phosphate. Phosphate is found in earth's crust, rivers and lakes. In these experiment known concentrations of phosphates in solutions was used to determine the concentration of water samples from a river, lake and an unknown water sample. This was determined assuming the colour intensity and absorbance of each solution using a spectrophotometer, the experiment aims at familiarising each group with a typical spectrophotometer analysis. The experiment also aims at comparing the river water value and set guidelines by the European Union. The error associated with the class values and spectrophotometer determination of values, was achieved using, rank correlation, regression and ANOVA one - way to the check the mean values, standard deviation and 95%confidence intervals. INTRODUCTION Nature has provided human being a source of...
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