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Thermo Scientific™ Pierce™ LTQ ESI Positive Ion Calibration Solution

Calibrate LTQ, LTQ Orbitrap, LXQ and LCQ FLEET mass spectrometers using a mixture of highly purified ionizable molecules designed for positive mode calibration.

Manufacturer:  Thermo Scientific™ 88322

Catalog No. PI88322



Thermo Scientific™ Pierce LTQ ESI Positive Ion Calibration Solution is a mixture of highly purified ionizable molecules specifically designed for positive mode calibration of Thermo Scientific™ ion trap and orbitrap instruments.

The Pierce LTQ ESI Positive Ion Calibration Solution is a ready-to-use liquid formulation ideal for quickly performing the routine calibration required to maintain the robust performance of Thermo Scientific Mass Spectrometers. The LTQ ESI Positive Ion Calibration Solution is manufactured at an ISO 9001 facility and each lot is quality controlled with strict specifications. The stable solution is provided in a leak-proof, high-purity PTFE bottle.


  • Strong peaks – mixture of caffeine, MRFA and Ultramark 1621 in a acetonitrile/methanol/acetic solution

  • Ready-to-use – load the mass reference standard into a syringe and inject into the instrument

  • High-purity – mass spectrometry grade reagents in a non-leachable container

  • Stable – store at room temperature for more than one year



Store between 2°C and 8°C.
Mass Spectrometry
Mass Spectrometer
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