Analytical review of Russian and foreign methods for selective control of chemicals acting as markers of petrochemical and chemical productions in water media

Provision of sanitary-epidemiological welling for the population of the Russian Federation is a mandatory condition that ensures protection of the citizen’s right to health care and favourable environment guaranteed by the Constitution.

The aim of this study was to conduct analytical review of foreign and Russian methods for selective control of chemicals acting as markers of petrochemical and chemical productions in water media.

The review focused on analyzing Russian and foreign scientific and methodical studies describing methods and methodology for identifying mass concentrations of benzene, ethylbenzene, and acrylonitrile in water as markers of petrochemical and chemical productions. The analyzed period was 71 year (between 1952 and 2023).

The review dwells on methodologies for identifying benzene, ethylbenzene, and acrylonitrile in water media (tap water, water from non-centralized water supply, water objects used for household needs and recreation, sea water in places used by people, water in swimming pools and aqua parks, water in surface sources used for centralized drinking water supply, household needs and at food manufacturing enterprises). The outlined methodologies rely on using physical and chemical analytical methods including spectrophotometry, gas chromatography (GC), high performance liquid chromatography (HPLC) with different detectors, gas chromatography – mass spectrometry (GC-MS).

Conclusion. Analysis of available methodical documents has revealed the Russian methodological base on control of toxic benzene, ethylbenzene and acrylonitrile in water to be far from the perfect. Given the introduced changes in regulatory indicators in the SanPiN 1.2.3685–21 in drinking water from centralized and non-centralized water supply systems, sensitivity of previously developed methodologies has become insufficient. This requires developing new precise analytical methodologies of gas chromatography – mass spectrometry to identify toxic benzene, ethylbenzene, and acrylonitrile in water media with characteristics conforming to international standards.

Contributions:
Nurislamova Т.V. – study concept, scientific advice on relevance; conclusions;
Zaitseva N.V. – study concept, scientific advice on relevance;
Popova N.А. – materials and methods, results;
Maltseva О.А. – relevance, results, discussion, conclusions.
All the authors have approved the final version of the manuscript and bear full responsibility for the integrity of all parts of the article.

Conflict of interest. The authors declare no conflict of interest.

Acknowledgement. The study had no sponsorship.

Received: Februaary16, 2024 / Revised: February 27, 2024 / Accepted: April 9, 2024 / Published: June 17, 2024

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