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Zaky,, M., Elgendy, K., Abd El-Wahaab, B. (2020). SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM (IV) IN STEEL, PAINT AND A COSMETIC CREAM USING TANNIC ACID IN MICELLAR MEDIUM. Bulletin of Faculty of Science, Zagazig University, 2016(1), 68-76. doi: 10.21608/bfszu.2016.31066
M. Zaky,; Kh Elgendy; B. Abd El-Wahaab. "SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM (IV) IN STEEL, PAINT AND A COSMETIC CREAM USING TANNIC ACID IN MICELLAR MEDIUM". Bulletin of Faculty of Science, Zagazig University, 2016, 1, 2020, 68-76. doi: 10.21608/bfszu.2016.31066
Zaky,, M., Elgendy, K., Abd El-Wahaab, B. (2020). 'SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM (IV) IN STEEL, PAINT AND A COSMETIC CREAM USING TANNIC ACID IN MICELLAR MEDIUM', Bulletin of Faculty of Science, Zagazig University, 2016(1), pp. 68-76. doi: 10.21608/bfszu.2016.31066
Zaky,, M., Elgendy, K., Abd El-Wahaab, B. SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM (IV) IN STEEL, PAINT AND A COSMETIC CREAM USING TANNIC ACID IN MICELLAR MEDIUM. Bulletin of Faculty of Science, Zagazig University, 2020; 2016(1): 68-76. doi: 10.21608/bfszu.2016.31066

SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM (IV) IN STEEL, PAINT AND A COSMETIC CREAM USING TANNIC ACID IN MICELLAR MEDIUM

Article 6, Volume 2016, Issue 1, 2020, Page 68-76  XML PDF (440 K)
Document Type: Original Article
DOI: 10.21608/bfszu.2016.31066
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Authors
M. Zaky,1; Kh Elgendy2; B. Abd El-Wahaab1
1Chemistry Depart., Fac. of Science, Zagazig Univ., Zagazig, Egypt
2Chemistry Depart., Fac. of Science, Zagazig Univ., Zagazig, Egypt.
Abstract
A highly simple, rapid and sensitive spectrophotometric procedure is described for micro-amounts determination of titanium (IV) using tannic acid (tannin) as a new reagent in presence of Triton X-100 (micellar medium). Titanium (IV) reacted with tannic acid in slightly acidic medium at pH=6 using citrate buffer solution to form a 1:2 red coloured stable complex with maximum absorption at 436 nm. The complex is instantaneously formed and remain stable over 2 hr. Beer's law is obeyed in the range of 2-26 μg Ti ml-1 with molar absorptivity to be 3.66 × 104 L mol-1 cm-1. The proposed method is successfully applied for titanium determination in steel, paint and pharmaceutical samples.
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