Idriss, K., Sedaira, H., Hashem, E., Selim, A. (2020). Simultaneous Determination of Iron (III) and Aluminum (III) in the Presence of Titanium (IV) in Portland Cement using Derivative Spectrophotometry. test, 6(1), 10-18. doi: 10.18576/jpac/060104
K. A. Idriss; H. Sedaira; E. Y. Hashem; A. F. Selim. "Simultaneous Determination of Iron (III) and Aluminum (III) in the Presence of Titanium (IV) in Portland Cement using Derivative Spectrophotometry". test, 6, 1, 2020, 10-18. doi: 10.18576/jpac/060104
Idriss, K., Sedaira, H., Hashem, E., Selim, A. (2020). 'Simultaneous Determination of Iron (III) and Aluminum (III) in the Presence of Titanium (IV) in Portland Cement using Derivative Spectrophotometry', test, 6(1), pp. 10-18. doi: 10.18576/jpac/060104
Idriss, K., Sedaira, H., Hashem, E., Selim, A. Simultaneous Determination of Iron (III) and Aluminum (III) in the Presence of Titanium (IV) in Portland Cement using Derivative Spectrophotometry. test, 2020; 6(1): 10-18. doi: 10.18576/jpac/060104

Simultaneous Determination of Iron (III) and Aluminum (III) in the Presence of Titanium (IV) in Portland Cement using Derivative Spectrophotometry

Journal of Pharmaceutical and Applied Chemistry
Volume 6, Issue 1, January 2020, Pages 10-18    PDF (387.79 K)
Document Type: Original Article
DOI: 10.18576/jpac/060104
Authors
K. A. Idriss; H. Sedaira; E. Y. Hashem; A. F. Selim
Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt.
Abstract
A spectrophotometric method relies on the use of derivative ratio-zero crossing technique has been developed
for simultaneous determination of Fe (III) and Al (III) in the presence of Ti (IV). The method depends on the formation of
colored complexes of metal ions with 1,2,4-trihydroxyanthraquinone (purpurin, PURP) in 50% v/v ethanol-water medium
at pH 2.5 .The method was successfully applied for the determination of (1.6 – 5.58 mgL-1 ) iron, and (0.269 – 2.15 mgL-
1) aluminum. The correlation coefficients for the obtained calibration graphs were 0.990 for iron (III), and 0.996 for
aluminum (III). The sandell sensitivities of iron and aluminum were 0.24ng cm-2 and 0.20ng cm-2 respectively. The
developed method was applied to the simultaneous determination of Fe2O3 and Al2O3 in Portland cement and was found
to give satisfactory results.
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