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Large Volume Dispensing
Application Type
Application ID
  Accurate dispensing of solvents
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Can feed a solvent through the injection syringe into sample plates or vials
There are multiple options on the PAL for delivery of volumes of solvent. Choice will depend on the requirements for delivery rate, delivery volume and accuracy.
Adding the Dilutor to a PAL extends it’s sample prep capabilities. It can be used to dispense liquid prior sample injection and combines the "add liquid" and "inject" steps without user intervention or syringe change. Typical applications are dilutions, derivatisations, sample spiking or standard additions. Dilutor syringes up to 5ml ensure large dilution ratios. Another important Dilutor application concerns the injection valve and syringe wash procedure in LC- MS high throughput systems. Replacing the standard Fast Wash Station, the Dilutor can be used to clean the injection syringe as well as the injection valve at the same time. This results in shorter cycle times, which is the key factor in today’s screening labs.

Dilutor Accessory

Syringe pump volume range of 0.25 ml to 2.5ml delivery per 2.5 ml syringe cycle. (Optional dilutor syringe 1ml or 5 ml)
Flow Rate Range: 10μl/min - 300μl/min
Wetted parts: All liquids compatible with borosilicate glass, PTFE, Kel-F, FEP

Can be used for

  • Sample Derivations
  • Sample Dilutions
  • Standard Additions
  • Accelerated Wash Step in HTS applications


  • Requires the addition of a custom macro or cycle for dispensing/diluting applications
  • Can be used with any of the PAL side port syringes or with the DISPENSE Tool
  • Is not supported by the on board PAL cycles
  • Requires an open AUX Port on the PAL
  • Requires PAL firmware 2.3 or higher

Use of Dilutor for Washing Valve

Use of Dilutor for Washing Valve

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Accessories for the PAL

Other Accessories for PAL Robots

Fast Wash Station

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LEAP strives to find total solutions for analytical lab automation by automating analytical processes for small and large molecules in extracted liquids, solids, and recently in human, animal and plant tissues. We provide the precise robotics and efficient sample prep required by modern measurement techniques such as MALDITOF mass spectroscopy. Our newest specialty customization of CTC Analytics’ PAL features small workstations that can perform complex liquid handling tasks including HPLC-Purification, SPE, filtration, weighing, heating and stirring. They can be configured as stand alone units or integrated for “just in time” sample prep for LC-MS or GC-MS analysis.
LEAP provides automated workstation instrumentation solutions based on the LEAP CTC PAL X, Y, Z syringe only autosampler robot from LEAP Technologies. This extremely flexible, precise, and adaptable liquid handling robotic platform is available in a variety of lengths and options depending on the requirements of your sample preparation and injections for your UHPLC, LC or GC chromatography.LEAP offers full support and service for the PAL platform in addition to being able to write custom macros, cycles, and scheduling to your applications. Please contact LEAP Technologies on how we can help you get maximized throughput with flexible pipetting automation solutions.

Contact LEAP

Contact LEAP

For additional information about LEAP and the PAL Platform, please contact LEAP Technologies.

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