From Chemistry Towards Technology Step-By-Step From Chemistry Towards Technology Step-By-Step От химии к технологии шаг за шагом 2782-1900 81519 10.52957/2782-1900-2024-4-2-72-76 Научные статьи Scientific articles Научные статьи Laboratory investigation during the control of the pharmaceutical drugs on the indicator "Related substances" by the method of high-performance liquid chromatography Laboratory investigation during the control of the pharmaceutical drugs on the indicator "Related substances" by the method of high-performance liquid chromatography Козак Татьяна Романовна Kozak Tat'yana Romanovna Горячева Ольга Сергеевна Gorjacheva Olga Sergeevna goryachevaos@ystu.ru

кандидат химических наук;

candidate of chemical sciences;

 Ярославский государственный технический университет Yaroslavl State Technical University 23 06 2023 23 06 2023 4 2 72 76 24 05 2023 16 06 2023 https://ystu.editorum.ru/en/nauka/article/81519/view

We provided the laboratory investigation during the control of the pharmaceutical drugs on the indicator "Related substances" by the method of high-performance liquid chromatography (HPLC). It allows us to study the related substances of the pharmaceutical drugs. Also we considered three hypotheses which could affect the final result. Consequently, the sample preparation procedure was found to be an error made by the laboratory personnel.

We provided the laboratory investigation during the control of the pharmaceutical drugs on the indicator "Related substances" by the method of high-performance liquid chromatography (HPLC). It allows us to study the related substances of the pharmaceutical drugs. Also we considered three hypotheses which could affect the final result. Consequently, the sample preparation procedure was found to be an error made by the laboratory personnel.

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