1999•Acta Scientiarum Naturalium Universitatis NeimongolRequires access

Colour Reaction of Manganese with 3,5 dibromosalicylfluorone and Its Application

Xiang Li

Abstract

The conditions of colour reaction of manganese with DBSAF in the presence of CTMAB were studied.In a pH=10.2 buffer solution,manganese reacts with DBSAF and CTMAB to form a 1∶3 complex with maximum absorption at 545 nm,the molar absorptivity is 1.6×10 5,Beer′s law is obeyed in the range of 0￣9.0 μg/25 ml.The method has been applied to determination of trace amounts of manganese in teas sample with satisfactory results.

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Key concepts: Manganese, Molar absorptivity, Chemistry, Buffer solution, Color reaction, Absorption (acoustics), Analytical Chemistry (journal), Nuclear chemistry