Title: Catalytic Spectrophotometric Determination of Trace Nitrite with Potassium Bromate-Scarlet 3B system
Abstract: A new catalytic spectrophotometric method for determination of trace nitrite was developed based on the catalytic effect of NO-_2 to the oxidation of scarlet 3B by potassium bromate in H_3PO_4 medium.The detection limit is 1.36×10 -3 μg/mL in the linear range of 0.012—0.080μg/mL with the recoveries between 98.8%—101.0%.The method was applied to direct determination of nitrite in water with satisfactory results.
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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