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Close Vessel Microwave Digestion System

We understand the complexity of handling diverse samples and are glad to offer our expertise to analysts.

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Close Vessel Microwave Digestion

QLABPro provides versatility, safety, productivity in closed and open vessel microwave digestions, microwave extraction, microwave evaporation and microwave synthesis system. The system monitors temperature and pressure of each digestion vessel and has user-independent safety features guarantee safe digestions.

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  • Ideal for digestion, extraction, evaporation and synthesis
  • User-independent safety features ensure safe digestions
  • Rotating antenna, 360° carousel and unique cavity design provides uniform microwave distribution
  • Corrosion-proof PTFE-coated reinforced cavity
  • Microwave power output in small increments for precise temperature control
  • Spring-loaded door latches for enhanced safety
  • Up to 1200 Watts power output in small increments
  • Selection of microwave digestion system vessels to cover wide spectrum of applications
  • Built-in temperature and pressure monitoring of each digestion vessel
  • Option of sensor vessels for in-situ temperature and pressure measurement
  • Controlled release of over pressure to avoid cross-contamination
  • Use in temperature and power mode
  • Comes with preloaded EPA and other standard digestion methods
  • Automatically protects against unusual heating of vessels
  • 150 CFM exhaust for fumes removal and vessels cooling
  • Maximum temperature up to 300°C

Multi-Layered Safety

OPGuard™ pressure protection mechanism safely only vents excess pressure and reseals the vessel.Rugged and reinforced oven body, explosion-proof oven door and spring-loaded door latches guarantee operator safety.Unique QSens™ technology ensures complete safety against extreme pressure release and exceptional temperatures by cutting off magnetron power, activating audible alarm and displaying visual warning
Unique QSens™ technology ensures complete safety against extreme pressure release and exceptional temperatures by cutting off magnetron power, activating audible alarm and displaying visual warning


Chemical microwave synthesis system has become a method of choice for chemists throughout so many industries. The technology allows synthesis to be done faster and cleaner with reduced solvent consumption as a “greener” process.

The fundamental step in sample pretreatment is the extraction of the compounds of interest from the sample matrix. Questron’sQLab Pro is an advanced microwave extraction system offering the best technology currently available for extraction of inorganic species.

Our Microwave Digester and Extraction System is dedicated to helping chemists increase productivity while lowering costs, which is why our microwave extraction system has been designed and developed with the latest technology to deliver high sample throughput while lowering operating costs, along with being able to produce effective and consistent results with extreme simplicity.

Our Microwave Digester System can perform any type of synthetic chemistry and help scientists in academia or any research industry. With our QLab Pro, they can realize shorter reaction times and improved yield.

Full-Colour LCD Touchscreen
User Interface

  • User-friendly touchscreen control panel
  • Real-time graphical display
  • Audible alarm and visual alerts during digestion runs
  • Easy navigation for method creation
  • Capable of identifying a vessel in case of over pressure release

Real Time Display of Digestion


Time to Power

Configuration is best suited for digesting unknown samples and to develop digestion recipes in closed vessels. Samples are digested by achieving the desired temperature through multi-step digestion recipe.

Open Vessel

Configuration is best suited for digestion, evaporation and synthesis. Microwave homogeneity is maintained by mode-stir and can accept a variety of sample containers and racks. It has an external exhaust blower to remove toxic fumes generated during sample treatment. System is capable of working in both temperature and power mode.

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