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Inorganic phosphorus measurement: an improved method
Clinica Chimica Acta; International Journal of Clinical Chemistry
|December 15, 1977
Summary
This study presents a new, improved micromethod for measuring inorganic phosphorus in serum and urine. The method is accurate, precise, and avoids common issues found in other techniques.
Area of Science:
- Clinical Chemistry
- Biochemistry
- Analytical Chemistry
Background:
- Accurate determination of inorganic phosphorus is crucial for diagnosing various metabolic disorders.
- Existing methods for inorganic phosphorus measurement often involve complex procedures like deproteinization and can suffer from color instability.
- There is a need for a simpler, more reliable method for routine clinical analysis.
Purpose of the Study:
- To outline an improved micromethod for the determination of inorganic phosphorus in biological samples.
- To develop a method that is accurate, precise, and easy to perform.
- To overcome the limitations of existing inorganic phosphorus assays.
Main Methods:
- A novel micromethod for inorganic phosphorus determination was developed.
- The procedure eliminates the need for deproteinization.
- A stable colorimetric endpoint was achieved.
Main Results:
- The developed method demonstrated high accuracy, with recovery rates ranging from 99% to 100.4%.
- Excellent precision was achieved, with a coefficient of variation (C.V.) of 2.19%.
- The method yields a stable color, simplifying endpoint determination.
Conclusions:
- The improved micromethod offers a reliable and efficient approach for quantifying inorganic phosphorus in serum and urine.
- This technique avoids common pitfalls associated with other assays, enhancing its clinical utility.
- The method's accuracy, precision, and ease of use make it suitable for routine laboratory diagnostics.