Aspect AI-60 Continuous Flow Reaction Monitoring

Aspect AI-60 Continuous Flow Reaction Monitoring

Aspect AI-60 Online Process – Silicon Industry

The AI-60 is unique in its ability for high Variable Temperature Control that enables the user to analyze in real time the actual physical process parameters:

  • Variable Temperature Control (-20 to 80 deg C).
  • Flow Rates: 1 – 20 ml/min without loss of resolution.
  • Jacketed Probe Design allows N2 purge minimizing condensation at low temperatures.
  • Less than 3ml total sample volume

It is this unique ability of the AI-60 to acquire process data at actual process temperatures that “saves the day” for silicon, crude oil, polymers and many other processes.


Aspect AI-60 Online Process – Reaction Monitoring

  • 60 MHz NMR was used to monitor three reaction processes; imine formation, CDI mediated amide coupling and transesterification.
  • Each reaction was monitored at regular intervals by both 400 and 60 MHz NMR and the data was overlaid to compare the profiles obtained at the two different field strengths.
  • NMR data generated from these three reactions demonstrates the application of low field NMR as a PAT tool for reaction monitoring.
  • It is planned to utilize chemometric analysis in the future to enhance reaction profiling and investigation further complex reaction processes.

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