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Updated: Jun 28, 2026

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The Effect of Ultraviolet Radiation on the Chemical Bath Deposition of Bis(thiourea) Cadmium Chloride Crystals and the Subsequent CdS Obtention
Published on: August 30, 2018
Polarography of cadmium malate complexes
1Chemical Laboratories Universities of Rajasthan Jaipur-4, India.
Talanta
|August 1, 1973
Summary
This study investigated cadmium malate complexes using electrochemical methods. Different cadmium malate species form depending on pH, influencing their behavior in solution.
Area of Science:
- Electrochemistry
- Coordination Chemistry
Background:
- Cadmium malate complexes are relevant in various chemical and biological systems.
- Understanding their speciation is crucial for predicting their behavior.
Purpose of the Study:
- To investigate the electrode reduction of cadmium malate complexes.
- To determine the formation of different cadmium malate species across a range of pH values and ligand concentrations.
Main Methods:
- Electrochemical studies were performed.
- Complex formation was analyzed at various pH levels.
Main Results:
- At low pH (pH < pK(1)), the Cd(H(2)A) complex was identified (log K = 0.57).
- At high pH (pH > pK(2)), Cd(A(2-))(n) species were observed with varying stability constants (log beta(1) = 1.9, log beta(2) = 2.8, log beta(3) = 3.4).
- At intermediate pH, the Cd(HA) complex was the predominant species.
Conclusions:
- The speciation of cadmium malate complexes is highly pH-dependent.
- Different cadmium malate complexes form under varying pH conditions, impacting their electrochemical behavior.
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