Revise the following sentence to reduce the distance between the subject and predicate (main verb) of the sentence: The results of variation of the applied chromatographic conditions, such as the bulk solvent composition, the concentrations and ratio of the acid and base additives, the presence of water as mobile phase additive and the counter-ion concentration furnished a better understanding of the retention mechanism.
The variation of the applied chromatographic conditions, including the bulk solvent composition, concentrations and ratio of acid and base additives, presence of water as mobile phase additive, and counter-ion concentration, furnished a better understanding of the retention mechanism.
The applied chromatographic conditions, such as the bulk solvent composition, the concentrations and ratio of the acid and base additives, the presence of water as mobile phase additive, and the counter-ion concentration, provided a better understanding of the retention mechanism.
