Contents 1
(A) new merging-zone flow injection system for the quantification of ferrous and ferric ions in aqueous solution and sludge of wastewater / Ahmed Saleh Farhood ; Dakhil Nassir Taha 1
Abstract 1
1. Introduction 1
2. Experimental 2
2.1. Materials 2
2.2. Apparatus 2
2.3. Solutions 2
2.4. Procedure for sludge 3
2.5. Flow injection system analysis module 3
2.6. Recommended procedure 3
3. Results and Discussion 3
3.1. Method principle 3
3.2. Effect of pH 4
3.3. Effect of flow rate 4
3.4. Effect of ferrous volume 4
3.5. Effect of Bphen volume 5
3.6. Effect of reaction coil length 5
3.7. Effect of Bphen reagent concentration 5
3.8. Calibration curve 5
3.9. Repeatability 6
3.10. Dispersion Coefficient(D) 6
3.11. Dead Volume 6
3.12. Comparisons 6
3.13. Application 7
3.14. F-test and t-test 8
4. Conclusions 8
References 9