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A Comparative Spectrophotometric Study Using Ferrozine and 1,10-<i>Ortho</i>-phenanthroline to Evaluate the Iron Redox Ratio (Fe<sup>2+</sup>/ΣFe) in Glass Prepared by Microwave Heating
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- MANDAL Biswajit
- Glass Division, CSIR-Central Glass and Ceramic Research Institute
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- SINHA Prasanta Kumar
- Materials Characterization and Instrumentation Division, CSIR-Central Glass and Ceramic Research Institute
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- SEN Ranjan
- Glass Division, CSIR-Central Glass and Ceramic Research Institute
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- MANDAL Ashis Kumar
- Glass Division, CSIR-Central Glass and Ceramic Research Institute
Bibliographic Information
- Other Title
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- A Comparative Spectrophotometric Study Using Ferrozine and 1,10-Ortho-phenanthroline to Evaluate the Iron Redox Ratio (Fe²⁺/ΣFe) in Glass Prepared by Microwave Heating
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Description
In the present study, Fe-doped barium borosilicate glass has been melted at 1250°C under microwave heating. The iron redox ratio (Fe2+/total Fe) in the glass is investigated by two spectrophotometric methods. A novel decomposition technique has been optimized to measure the ferrous oxidation state in glass. Ferrozine was chosen as a specific complexing reagent; it forms a deep violet color complex with Fe2+ and has a broad absorbance peak centered at ∼562 nm. 1,10-ortho-phenanthroline develops an orange color complex with Fe2+ (having an absorbance peak centered at ∼510 nm) and has been used to determine ferrous ion in glass. Both the methods are compared and the estimated redox ratio was found to be higher in the ferrozine method. The error limit of measurement has been determined as 0.012 and 0.023 for the ferrozine and 1,10-ortho-phenanthroline methods, respectively.
Journal
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- Analytical Sciences
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Analytical Sciences 32 (5), 571-576, 2016
The Japan Society for Analytical Chemistry
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Keywords
Details 詳細情報について
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- CRID
- 1390282679236881024
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- NII Article ID
- 130005150947
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- NII Book ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL BIB ID
- 027283856
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- PubMed
- 27169658
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- PubMed
- CiNii Articles
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- Abstract License Flag
- Disallowed