INDICATOR COMPOSITION AS POWDERED MEASURING TRANSDUCER IN AUTOMATIC PHOTOCOLORIMETRIC GAS ANALYSER, DESIGNED FOR DETECTING HYDROGEN SULPHIDE IN ATMOSPHERIC AIR IN POPULATED PLACES

摘要

FIELD: chemistry. ^ SUBSTANCE: indicator composition as powdered measuring transducer in an automatic photocolorimetric Siren-type gas analyser has a base in form of powdered polyethylne, a hydrogen sulphide chromogenic reagent and a mixed solvent in form of a mixture of triethanolamine with water in mass ratio triethanolamine: water equal to 14.7:1. The chromogenic reagent is a thiomercury compound of general formula: , where R=H-; Cl-; Br-; F-; with given content of components. ^ EFFECT: increased sensitivity of analysis. ^ 2 tbl, 1 ex