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High-Precision Coulometric Titrations of Boric Acid.
George Marinenko1, Charles E Champion1
1Institute for Materials Research, National Bureau of Standards, Washington, D.C. 20234.
A new absolute method using coulometric titrimetry was developed to determine boric acid. This highly precise and bias-free method offers reliable results for boric acid analysis.
Area of Science:
- Analytical Chemistry
- Inorganic Chemistry
Background:
- Accurate determination of boric acid is crucial in various industrial and scientific applications.
- Existing methods may have limitations in precision or accuracy.
Purpose of the Study:
- To develop and validate an absolute method for boric acid determination.
- To establish the precision and accuracy of the developed coulometric titrimetry method.
Main Methods:
- Development of an absolute method for boric acid quantification.
- Utilized coulometric titrimetry for precise measurement.
Main Results:
- Achieved a high precision, with a standard deviation of 0.0033% for single determinations.
- Titration parameters showed no significant impact on the accuracy of the results.
- The method was found to be bias-free within measurement uncertainties.
Conclusions:
- The developed coulometric titrimetry method provides a precise and accurate means for boric acid determination.
- This absolute method is reliable and free from systematic errors.
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