Compared with the fresh solution, the area of the inorganic HgII peak in the old solution was not decreased significantly. It would seemingly be logical to expect a decrease of the inorganic HgII peak,when another appreciable mercury peak appeared.But actually, the almost equal areas of inorganic HgII
peaks in both solutions supported our presumption that Using the chromatographic analysis of an aqueous solution of elemental mercury, we definitely proved that the new mercury species was elemental mercury
(Figure 5).