Mass spectra were recorded with a Bruker Esquire-LC instrument. High-resolution (HR) mass spectra (electron spin ionization, ESI) were recorded on an ESI/TOF (LCT, Waters) LC-spectrometer. Elemental analyses were performed by the Service de microanalyse, Centre d’Etudes Pharmaceutiques, Châtenay-Malabry, France, with a PerkinElmer 2400 analyzer.
Esquire lc instrument
Manufactured by Bruker
The Esquire-LC instrument is a high-performance liquid chromatography (HPLC) system designed for analytical applications. It provides robust and reliable separation and detection of a wide range of chemical compounds. The Esquire-LC offers precise control of flow rates, gradients, and other parameters to ensure accurate and reproducible results. The instrument is suitable for diverse analytical tasks, but a detailed description of its intended use is not provided.
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Lab products found in correlation
2 protocols using esquire lc instrument
1
Mass Spectrometry Analytical Methods
2
NMR and Mass Spectrometry Characterization
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Nuclear magnetic resonance (NMR) spectroscopy. NMR spectroscopy was performed in 5 mm diameter tubes in CDCl 3 at 25 °C. 1 H and 13 C NMR spectroscopy was performed on a Bruker
Avance 300 spectrometer at 300 MHz ( 1 H) and 75 MHz ( 13 C), respectively. The chemical shift scale was calibrated based on the internal solvent signals. For nitroxide derivative characterization, pentafluoruphenylhydrazine was added in situ and allowed to react before the analysis. 35, 36 Mass spectrometry. Mass spectra were recorded with a Bruker Esquire-LC instrument. Highresolution mass spectra (ESI) were recorded on an ESI/TOF (LCT, Waters) LC-spectrometer.
Avance 300 spectrometer at 300 MHz ( 1 H) and 75 MHz ( 13 C), respectively. The chemical shift scale was calibrated based on the internal solvent signals. For nitroxide derivative characterization, pentafluoruphenylhydrazine was added in situ and allowed to react before the analysis. 35, 36 Mass spectrometry. Mass spectra were recorded with a Bruker Esquire-LC instrument. Highresolution mass spectra (ESI) were recorded on an ESI/TOF (LCT, Waters) LC-spectrometer.
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