Abstract:Experimental
ReagentsAll of the reagents were of analytical grade. Deionized water used to prepare solutions was obtained from an Aquarius GSH-210 apparatus (Advantec, Tokyo, Japan). An advanced stopped-in-loop flow analysis (SILFA) is proposed for the catalytic determinations of vanadium and iron. The chemistry relies on a vanadium-or iron-catalyzed oxidative reaction of p-anisidine by bromate or hydrogen peroxide in the presence of an activator (Tiron or 1,10-phenanthlorine) to form a red dye (510 nm). Reage… Show more
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