Science-based substantiation and development of techniques for determination of multicomponent organic compounds content in air and water samples as applied to environmental monitoring problems.
- 1 — Scientific and Design Technological Bureau Crystal of the RF Ministry of Education
- 2 — Scientific and Design Technological Bureau Crystal of the RF Ministry of Education
- 3 — Scientific and Design Technological Bureau Crystal of the RF Ministry of Education
- 4 — St. Petersburg Technological Institute
Abstract
A set of methods with a unified methodological, instrumental and metrological base, universal for analyzed media (air, water, soil) and controlled objects (industrial, working and sanitary zones) has been developed. The basic method is the technique of determination of 27 microstrokes of ephemeral organic compounds in air analyses. It is based on preliminary concentration of components from the vapor-gas phase on a hydrophobic adsorbent, their subsequent thermal desorption on a capillary column, detection and processing of its data using PAC "MultiChrome", based on the results of absolute graduation. Depending on the analytical task different types of capillary columns are used, and in some cases - preconcentration by creofocusing desorbed samples in the initial part of the column. For the analysis of water and soil samples the method of gas extraction with accumulation of special compounds on hydrophobizing adsorbent was used.