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Published on: February 20, 2020
Spectrophotometric molybdenum determination with thiolactic acid
1Iowa State University Ames, Iowa, U.S.A.
Talanta
|March 1, 1972
Summary
A new method quickly and selectively detects molybdenum(VI) using a yellow thiolactic acid complex. Absorbance is measured at 365 nm under specific pH conditions for accurate quantification.
Area of Science:
- Analytical Chemistry
- Inorganic Chemistry
Background:
- Molybdenum(VI) is an important element with various industrial and biological applications.
- Accurate and rapid detection methods for molybdenum(VI) are crucial for environmental monitoring and quality control.
Purpose of the Study:
- To develop a fast and selective analytical method for the determination of molybdenum(VI).
- To utilize the complexation reaction between molybdenum(VI) and thiolactic acid for spectrophotometric analysis.
Main Methods:
- Formation of a yellow complex between molybdenum(VI) and thiolactic acid.
- Optimization of reaction conditions, specifically pH range (1.0-1.6).
- Spectrophotometric measurement of the complex's absorbance at 365 nm.
Main Results:
- The thiolactic acid complex of molybdenum(VI) exhibits a distinct yellow color.
- The complex formation is optimal within a pH range of 1.0 to 1.6.
- The absorbance of the complex at 365 nm is directly proportional to the concentration of molybdenum(VI).
Conclusions:
- Thiolactic acid provides a selective reagent for the spectrophotometric determination of molybdenum(VI).
- The developed method is rapid and effective for molybdenum(VI) analysis.
- The method's sensitivity and selectivity make it suitable for various applications.
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