What is electron ionization (EI) in mass spectrometry?

Chromatography is a technique that separates chemical species based on their interaction with a stationary phase, which is typically a solid surface or a ... Jul 21, 2024 ... Title, Quantitative Metabolome Analysis Based on Chromatographic Peak Reconstruction in Chemical Isotope Labeling Liquid Chromatography Mass ... Apr 11, 2025 ... ... chromatography-high resolution mass spectrometry" Food Chemistry (2022) 368, 130798. Hsieh, C.Z., Chung, W.H., Ding, W.H.* "Experimental ... What is the Chemistry Behind Reversed-Phase Flash Chromatography? · -Stationary phase (hydrophobic) · -Mobile phase (polar solvents - water + methanol or ... Research Interests. Analytical chemistry, bioanalytical chemistry, analytical separation methods, high-performance liquid chromatography, capillary ... Chromatography and related analytical separations are important tools in many fields of chemical and biochemical research and in industries that either ... Oct 17, 2019 ... Chromatography is a process for separating components of a mixture. To get the process started, the mixture is dissolved in a substance called the mobile phase. Chromatography is based on the principle where molecules in mixture applied onto the surface or into the solid, and fluid stationary phase (stable phase) is ... May 21, 2019 ... Covering: up to 2019 The chemistry of nature can be beautiful, inspiring, beneficial and poisonous, depending on perspective. Analytical Chemistry and Laboratory of Analytical Chemistry. ... chromatography, partition chromatography, ion chromatography, size-exclusion chromatography.