EACH DIFFERENT VALENCE ANALYTIC METHOD AND EACH DIFFERENT VALENCE SEPARATION METHOD OF ARSENIC

摘要

PROBLEM TO BE SOLVED: To quickly measure trivalent and pentavalent arsenic with high accuracy.SOLUTION: A method for separating arsenic of respective valences from an arsenic-containing solution containing trivalent arsenic and pentavalent arsenic is a method for causing the arsenic-containing solution to pass through a reverse phase column by using an eluent containing a quaternary salt having an alkyl group of a carbon number of 3 or more as a moving phase.