MPT-2 by Malvern Panalytical

Manufacturer Malvern Panalytical
  |  1 reviews
Simplify pH, conductivity and additive titrations on your Zetasizer Nano

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Average Rating: 3.7
1 Scientist has reviewed this product

5 out of 5
Ease of use
3 out of 5
After sales service
3 out of 5
Value for money

  • Status:

  • Member since: 2018

  • Organization: The George Washington Univeristy

  • Ease of use
    5 out of 5
    After sales service
    3 out of 5
    Value for money
    3 out of 5
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Makes titration experiments easy and automated. Could be more robust.
Rating: 3.7

  • Application Area: Characterizing colloidal suspensions as a function of pH

"The tool works well for aqueous samples but will not work for other, higher viscosity liquids. It would be really nice to be able to perform titration experiments with liquids like ethylene glycol. Given the limited power of the pump, the system is very sensitive to creases in the tubing."

Review date: 09 Jan 2018 | MPT-2

The MPT-2 is an accessory for the Zetasizer Nano that provides extensive automation for a number of measurements that are routinely required when characterizing the size and zeta potential of dispersed particles and molecules.

Both the size and zeta potential can be measured in sequence as part of the automated titration.

pH is one of the main influences of the zeta potential of materials, so measuring zeta potential as a function of pH, and the determination of the isoelectric point are often required. Automating this improves productivity by proving a complete measurement using a stored method.

Conductivity is also measured, and automation can speed up the determination of whether ions in a formulation are specifically or non-specifically bound.

The same automation can be extended to study the effect of the concentration of additives such as surfactants and polyelectrolytes, and there is a dilution function to study the effect of dilution on the size and zeta potential of the sample.

  • Complete automation of pH, conductivity and additive titrations.
  • Simplify titrations by running a standard method.
  • Improve productivity through hands off operation.
  • Size and zeta potential measurement at each point (Zetasizer Nano ZSP and ZS only).
  • 3 syringe dispensing units for the titration of acids, bases, salts and other dissolved aqueous additives.
  • Software integrated with the Zetasizer Nano.
  • Color coding of titrants in software and hardware simplifies operation.
  • Magnetic stirrer to ensure complete mixing.
  • Use with a titrant autodegasser unit (DEG0003) is recommended to give evenly spaced pH points.