bubble pressure tensiometry for punicine derivatives and oleic acid/sodium oleate

Data sets of surface tension of puncine derivatives (octyl-, nonyl-, decyl-, undecyl- and heptadecyl-punicine) and oleic acid/sodium oleate in water measured with bubble pressure tensiometry at different pH and different concentrations.

Measurements were done at BP100 of KRÜSS GmbH. For each mesurement the adequate amount of a 25mM surfactant solution (40 vol-% EtOH and 60vol-% distilled water) werde diluted in 70 mL of distilled water.