The decolouring oxidation of Amaranth by potassium periodate in sulfuric acid medium using I - as catalyst was investigated in this paper.The reaction order and the apparent activation energy have been determined.A ne...The decolouring oxidation of Amaranth by potassium periodate in sulfuric acid medium using I - as catalyst was investigated in this paper.The reaction order and the apparent activation energy have been determined.A new method for the determination of I - has been set up.The limit of detection is 6 4×10 -9 g/ml of I - and the linear range is 0～1 0μg/25ml of I -.The method has been used to determine I - in food with satisfactory results.展开更多
文摘The decolouring oxidation of Amaranth by potassium periodate in sulfuric acid medium using I - as catalyst was investigated in this paper.The reaction order and the apparent activation energy have been determined.A new method for the determination of I - has been set up.The limit of detection is 6 4×10 -9 g/ml of I - and the linear range is 0～1 0μg/25ml of I -.The method has been used to determine I - in food with satisfactory results.
