Data variability can occur due to several reasons:
Catalyst Preparation: Variations in the synthesis process, such as temperature, pH, and precursor materials, can lead to differences in catalyst properties. Reaction Conditions: Fluctuations in temperature, pressure, and reactant concentrations can impact the catalytic activity and selectivity. Measurement Techniques: Differences in analytical methods, such as spectroscopy or chromatography, can introduce variability in the data collected. Human Factors: Operator skills and inconsistencies in experimental procedures can also contribute to data variability.
