ChapterI.doc
Laboratory exercises .... Dissolve 6 g Fe(NO3)3 · 9H2O in 100 mL 1:1 perchloric
acid. ... Trapping is performed by means of the air bubbling through an hydrogen
peroxide dissolution at fixed pH during a certain period (24 h). .... Calculate the
straight calibration line by dotting absorbance vs the different concentrations of ...