摘要
The concept of twisting magnetic field was proposed by Cold and Hoyle to explain the process of energy storage of solar flare. Many authors henceforth investigated the characteristics of the configurations of twisting and shearing magnetic fields. In view of the fact that there is close link between the shearing and twist-
Fe (III) and PAN form the complex Fe(PAN)_2OH which can be extracted into CHCl_3. The CHCl_3 extract shows absorption maxima at 550 nm and 775 nm (log ε_(550)= 4.06, log_ε_(775)=4.08). In the Fe(III)-PAN-Triton X-100 system, two complex species Fe(PAN) _2^+ and/or Fe(PAN)_2OH may be formed. Fe(PAN)_2^+ exhibits a stronger absorption peak at 560 nm (log ε_(550)=4.36). In this paper the effect of Triton X-100 micelles on the Fe (III)-PAN reaction has been investigated in detail. We consider that the presence of high density of ethereal oxygen chains in Triton X-100 micelles enables to concentrate hydrated Fe(III) ions and change their existing state. Moreover, the micelles not only increase the reactivity of Fe(III), but also enhance the rate of the color reaction.
