Minipol, a desk-computer program for refinement of protonation constants from differential-pulse polarographic data

Area of Science:

• Analytical Chemistry
• Electrochemistry
• Computational Chemistry

Background:

• Protonation constants and molar intensities are crucial for characterizing chemical species in solution.
• Differential-pulse polarography (DPP) is a sensitive technique for electrochemical analysis.
• Accurate determination of these parameters often requires sophisticated computational methods.

Purpose of the Study:

• To introduce the MINIPOL program for calculating chemical species parameters.
• To demonstrate the program's capability with differential-pulse polarographic data.
• To provide a computational tool for analyzing up to 8 species.

Main Methods:

• Development of the MINIPOL software.
• Utilizing differential-pulse polarographic data as input.
• Optimization algorithms to determine protonation constants and molar intensities.

Main Results:

• MINIPOL successfully calculates optimum values for protonation constants.
• Molar intensities for up to 8 species (H(XXX)L(rho)) can be determined.
• The program is designed for low-memory desk computers (32 kbytes).

Conclusions:

• MINIPOL offers an efficient and accessible method for analyzing complex chemical equilibria.
• The program facilitates the characterization of multiple protonated species from DPP data.
• MINIPOL is a valuable tool for researchers with limited computational resources.