New device for injection of samples of trace organic substances into glass capillary columns by means of a method of thermal desorption without sample kryofocusing, concentrated on polyphenilquinoxaline. sorpchrom [Internet]. 2019 Nov. 25 [cited 2026 Apr. 3];12(5). Available from: https://journals.vsu.ru/sorpchrom/article/view/1849