TLC and HPTLC MS-Grade Plates by Merck

Manufacturer Merck  |  Available Worldwide
Coupling TLC plates with mass spectrometry (TLC-MS) is a new field of high interest in planar chromatography. One particular advantage of TLC-MS is the flexibility it offers in the choice of mobile phases for separations. In comparison, HPLC-MS coupling does not allow the use of certain mobile phases, such as inorganic buffers.


TLC and HPTLC MS-Grade Plates by Merck product image
TLC and HPTLC MS-Grade Plates
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Several combinations of TLC with MS are possible: Elution-based TLC-MS or desorption based TLC-MS. We offer TLC-MS plates as well as HPTLC-MS on Glass or alumina backing to meet the individual need of our customers.

  • TLC-MS Coupling Techniques: The techniques for coupling TLC with mass spectrometry can be divided into elution-based, or desorption-based. Both approaches are offline, and are performed after the separation is completed and the plate dried. Sample transfer to the mass spectrometer is fast and typically takes less than one minute.
  • Elution-based TLC-MS: The analyte on the silica plate is dissolved in a solvent and transferred to the mass spectrometer in the liquid phase. In addition the combination to many other analytical methods are possible including eluting the selected band into vials for further investigation
  • Desorption-based TLC-MS: The analyte is vaporized from the silica, and transferred to the mass spectrometer in the gas phase. Vaporization techniques include gas beam, ion bombardment, and MALDI (matrix-assisted laser desorption/ionization).

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TLC and HPTLC MS-Grade Plates by Merck product image

TLC and HPTLC MS-Grade Plates

Manufacturer Merck  |  Available Worldwide

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