In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

El error alcalino que se produce en los electrodos de vidrio para la media de pH
The alkaline error that occurs in glass electrodes for the average pH

Con respecto a la actividad farmacológica de la artemisinina (lactona sesquiterpénica) extraída de la Artemisia annua
With respect to the pharmacological activity of artemisinin (sesquiterpene lactone) extracted from Artemisia annua

La cromatografía líquida en fase normal

Liquid chromatography in normal phase