DETERMINATION OF MERCURY IN WATER AND ALCOHOLIC DRINKS BY STRIPPING VOLTAMMETRY

A procedure is developed for determining mercury at concentrations equ al to and lower than the maximum permissible concentration in various waters and drinks by stripping voltammetry with a gold-graphite electr ode prepared in situ. The conditions for obtaining an analytical signa l and for preparing a photochemical sample are optimized. The performa nce characteristics of the procedure are given. The determination of m ercury in the above mentioned materials can be carried out automatical ly by using a computerized voltammetric analyzer produced by the Tekhn oanalit Company, which provides photochemical preparation and simultan eous analysis of three samples.