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Related Experiment Video

Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

M Wozniak1, G Nowogrocki

  • 1Laboratoire de physico-chimie des solutions, Ecole Nationale Supérieure de Chimie de Lille, BP40, 59650 Villeneuve d'Ascq, France.

Talanta
|November 1, 1978
PubMed
Summary
This summary is machine-generated.

Refined acidity constant determinations using multiparametric adjustments reveal discrepancies with traditional methods. Accounting for carbonate impurities and using a closed system offers a more accurate approach to potentiometric titrations.

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Area of Science:

  • Analytical Chemistry
  • Physical Chemistry

Context:

  • Potentiometric titrations are crucial for determining acidity constants.
  • Classical methods may introduce systematic errors due to impurities and open systems.

Purpose:

  • To refine the determination of acidity constants by addressing systematic errors in potentiometric titrations.
  • To compare multiparametric adjustment results with conventional methods.

Summary:

  • Acidity constants were determined using potentiometric titration data and refined with the MUPROT program, adjusting for parameters like protolyte concentration and impurities.
  • Modified expressions for titrant volume were developed to account for carbonate impurities.
  • A closed system is proposed for more rigorous carbonic acid equilibrium management, avoiding nitrogen purging effects.

Related Experiment Videos

Last Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

Impact:

  • Highlights discrepancies between advanced and classical potentiometric titration methods.
  • Proposes a more accurate methodology for acidity constant determination, particularly in the presence of carbonate impurities.
  • Emphasizes the importance of system control for precise chemical analysis.