Using the desalting tube "Solnac Tube" for LC/MS! Removes trace amounts of sodium ions.
In positive ESI LC/MS analysis, it is known that sodium adduct ions ([M+Na]+) are easily observed, especially when methanol is used as the mobile phase. Depending on the analytical purpose, it may be necessary to reduce the intensity of [M+Na]+ and concentrate on protonated molecules ([M+H]+). We attempted to reduce the intensity of [M+Na]+ by removing trace amounts of sodium ions in the mobile phase using a sorbent tube. For details on the conditions and analysis results, please download the catalog. 【LC Conditions (Partial)】 ■ Equipment: Agilent 1200 ■ Flow rate: 0.3 ml/min ■ Detector: UV (230 nm) ■ Sample: 17α-methyltestosterone 50 ppm solution ■ Injection volume: 5 μL *For more details, please refer to the PDF document or feel free to contact us.
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【MS Conditions (Partial)】 ■Device: JEOL JMS-T100LP ■Ionization Method: ESI Pos. ■Needle Voltage: 2000 V ■Orifice 1 Voltage: 50 V ■Desolvation Chamber Temperature: 250 ℃ *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Our company develops contract services utilizing our unique high-level technical expertise in imaging mass spectrometry and liquid chromatography mass spectrometry. As a venture originating from Hamamatsu University School of Medicine, we leverage our unique technology related to IMS, cultivated over many years in the Cell Molecular Anatomy course, along with our extensive experience in mass spectrometry, including a Level 5 LC/MS analyst certification, to provide high-quality mass spectrometry data.