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Application

Dissolution Experiments

The enthalpy of solution is an important parameter in both chemistry and pharmaceutics. Using the Solid Addition System, heats of solution can be measured reliably and repeatedly without error. The solid is loaded into the addition system and the base of the system sealed using a Teflon disk. The plunger is then lowered
at the appropriate time in order to introduce a well-equilibrated material into the solution.

The THT Micro Reaction Calorimeter (µRC™) has a wide range of applications in the chemical, pharmaceutical and related fields. This brochure shows how using a microcalorimeter can help chemists and engineers in everyday tasks.

Some of the applications detailed within this brochure include:

  • Reaction Kinetics
  • Process Development
  • Scanning Calorimetry
  • Thermal Stability
  • Heat Capacity Measurement
  • Adhesive Curing Reactions
  • Waste Management
  • End Point Determination
  • Hazard Analysis

 All chemical, physical and biological reactions are accompanied by heat change. These reactions, though sometimes subtle, can be measured using calorimetry. This powerful analysis method works without modification of the sample or process. The THT Micro Reaction Calorimeter is based on power compensation technology making it faster in both signal response and temperature variation. Designed for maximum flexibility, the µRC has the capability to measure both kinetic and thermodynamic parameters in both rapid and slow reactions and in solids, liquids or gases. Measurements made by calorimetry are non-destructive and non-invasive making it valuable for initial analyses and for systems where other techniques fail. With the µRC there is minimal sample preparation and no limitation on the physical state of the material. Systems can be studied under ambient or modified environmental conditions.

 

Specification

  • Baseline Noise: From 5μW
  • Dynamic Range: 5μW to 600mW                                                     
  • Temperature Range: -5°C to 170°C
  • Standard Modes of Operation: Isothermal/Titration/ Scanning                                              
  • Optional Modes: Pressure - pressurise cell up to 10bar                                                                                                                   
    Dissolution Experiments
  • Scanning Rate: Up to 2°C/min
  • Isothermal Stability: +/- 0.0001°C over extended time period                                                       
  • Cell Volume: 1.5 ml
  • Cell Type: Removable glass vial
  • Injection Volume: 1 to 250 μl
  • Temperature Control: Peltier based (no external cooling)
  • Stirring Speed: 0 - 400 rpm
  • Measurement Principle: Power compensation
  • Connection to PC: via USB cable
  • Footprint (width x depth x height): 19 x 31 x 35 cm
  • Certain other specifications may be possible by discussion