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Second order scattering (SOS) used to be regarded as a kind of interfere of spectrofluorometry. The characteristic and principle of SOS have not been studied deeply. In this paper SOS was found to be a new method to determine trace substance with good potential of analysis. The reaction between Chrome Azurol S (CAS) and bovine serum albumin (BSA) was investigated by the method of second order scattering...
A new catalytic dynamic spectrofluorimetry method is proposed for determination of trace tin which is based on the reaction between potassium periodate and the new type fluorescent reagent 3-m- chlorophenyl-5-(2'- arsenoxylphenylazo) rhodanine (3CIRAAP). The fluorescence intensity is investigated to be sharply quenched by the oxidation of 3-m-chlorophenyl-5- (2'-arsenoxylphenylazo) rhodanine by potassium...
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