Chromatogram

HPLC-MS Testing Services | LC-MS/MS Analysis | Jituotech

Professional HPLC-MS and LC-MS/MS analytical services for pharmaceuticals, biotech, and chemical industries. We offer high-resolution mass spectrometry (HRMS) for exact mass measurement, structure elucidation, and ultra-trace quantitation. Fast turnaround with comprehensive data reports.

HPLC-MS (liquid chromatography-mass spectrometry) is a sophisticated analytical instrument that combines liquid chromatography (LC) as the separation system and mass spectrometry (MS) as the detection system. LC separates samples through a chromatographic column, and the separated compounds are then detected by MS.

Instrument and Technical Parameters

  • Instrument Model:Agilent 6400
  • Instrument Technical Parameters
    • Mass range: 15–2000 amu
    • Resolution: m/z=0.1
    • Scanning speed: 5,200 u/second

Sample Submission Requirements and Notes

  • Samples can be solid or liquid, weighing 20–100 mg, stored in a plastic centrifuge tube.
  • The sample must be completely soluble in a volatile common solvent (e.g., methanol, ethanol, acetone, etc.).
  • The sample should have ultraviolet (UV) absorbance.

Testing Cases

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Reference Standards

  • ISO 21676:2018: Water quality - Determination of dissolved fractions of selected active pharmaceutical ingredients, transformation products, and other organic substances in water and treated wastewater - Methods using high-performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS or HRMS) after direct injection.
  • GB/T 39998-2021: Paper, board, and paper products - Determination of alkylphenol ethoxylates - High-performance liquid chromatography-mass spectrometry method.
  • SN/T 4058-2014: Detection method for zearalanol residues in export animal-derived foods - Immunoaffinity column purification - HPLC and LC-MS/MS methods.