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We have demonstrated the capabilities and limitations of Q-TOF and LTQ-Orbitrap in combination with reversed-phase HPLC on a number of humic and fulvic acid samples in terms of determining gross formulas in comparison with FT-ICR-MS. Fractionation provides a significant increase in the number of attributed gross formulas and enhances the reliability. On the other hand, the study revealed a number of problems, such as the lack of reference materials that can be used to compare different methods, as well as the need to build the criteria for correctness and precision of the data.
№ | Имя | Описание | Имя файла | Размер | Добавлен |
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2. | Полный текст | Programme-HIT-2022-fin.pdf | 466,8 КБ | 29 декабря 2022 [iperminova] |