Patent ID: 6099760
Filing Date: 2000-08-08
Classification: C01B,C12Q,G01N,Y10S

Abstract:
A process, comprising(a) contacting a coreactant with a portion of a process stream comprising at least one species selected from the group consisting of (I) H.sub.2 O.sub.2, (ii) a H.sub.2 O.sub.2 producing component, and a H.sub.2 O.sub.2 and (iii) a H.sub.2 O.sub.2 consuming component, wherein species (iii) must be in the presence of H.sub.2 O.sub.2, said contacting being performed in the presence of a luminophore,(b) generating a ECL emission by exposing the luminophore to electrochemical energy at the surface of a working electrode,(c) detecting the ELC emission; and(d) determining the presence or amount of at least one species selected.