Calibration of the electrode was performed before each measurement series using Sigma-Aldrich standard buffers at pH levels of 2.00 (citric acid/sodium hydroxide/hydrogen chloride), 4.01 ...
Fluoroalkyl acids, especially trifluoroacetic acid (TFA) is considered the most ideal fluoroalkylation reagent due to its low cost and easy availability. However, the extremely high oxidation ...