Questron Technologies Corp., Canada

1. QBlock Digestion Block Systems :

QBlock series provides wide selection to choose appropriate hot block to increase efficiency of digestion and through put. Teflon coated graphite block and enclosure provides ability to produce contamination free results.

Features:

• PTFE Coated Graphite & Anodized Aluminum Blocks
• Temperature up to 400 °C
• All-Plastic Enclosure
• Custom QBlocks Available

There are two (2) models in QBlock Digestion Block Systems. They are,

1. 230 °C QBlock Digestion Block Systems
2. 400 °C QBlock Digestion Block Systems

1. 230 °C QBlock Digestion Block Systems

Features:

• PTFE Coated Graphite & Anodized Aluminum Blocks
• Temperature up to 400 °C
• All-Plastic Enclosure
• Custom QBlocks Available
• Each QBlock is equipped with its own separated QController to be used outside of fume hood protected from heat and acids
• QController can store up to 4 recipes
• Each recipe can have 10 steps controlling temperature, ramp, and hold time
• Complete flexibility – QBlocks available for a variety of vials and liners
• Unique heating elements for providing uniform heating that reaches adequate temperatures for tri-acid treatment

2. 400 °C QBlock Digestion Block Systems

Features:

• Equipped with its own separated QController capable of storing 10 step 4 heating profiles
• PTFE coated stainless steel enclosure
• Unique heating elements for providing uniform heating that reaches adequate temperatures for Kjeldahl method
• Vial Tray stand allows tray to be anchored in different positions for heating and cooling.

2-Microwave Digestion System Q-Wave

Q-WAVE Microwave Digestion syaytems have following features:

• Ideal for digestion, extraction, evaporation, and synthesis
• Built-in temperature and pressure monitoring of each digestion vessel
• User-independent safety features ensuring safe digestions
• Controlled release of over pressure to avoid cross-contamination
• Rotating antenna and 360° carousel rotation ensuring uniform microwave distribution
• Corrosion-proof PTFE-coated reinforced cavity for corrosion resistance
• Two-900 Watt magnetrons provide continuously variable, non-pulsed, evenly distributed power in small increments for precise temperature control of every vessel.
• Two-speed, 150 CFM exhaust for fume removal and vessel cooling
• Spring-loaded door latches for enhanced safety

There are 2 Configuration availble in Q-WAVE Microwave Digestion system. they are,

1. QWave 1000: Single Magnetron system.

Closed & Open Vessel Digestions, Open Vessel configuration comes with External exhaust blower to take care of excessive acid fumes generated during operation.

2. QWave 2000.

Dual Magnetron High Power System for Closed Vessel Sample Digestions.

3. QASH Microwave Ashing System

QAsh achieves fast ashing times by combining in-situ airflow with a microwave. It has a large floor area to accommodate a large number of samples and is suitable for polymers, oils, food, pulp, sludge, and many other sample types. QAsh software controlled air inlet provides the user with the capability to expedite the ashing and cooling process. Additionally, it allows the system to carry out the heating in an inert environment. QAsh employs a heavy duty R Type Thermocouple which increases durability and ensures accurate temperature measurements over the complete working range.

Features :

• LED Bar temperature display
• Attains 1000°C in 25 minutes
• 1800 Watts of microwave energy
• 9 - 50 ml crucibles in one batch
• User-friendly control panel, operated through touchscreen
• Easy navigation for method creation and storage
• Audible alarm and visual alerts during digestion runs
• Data export capability for tracking, tracing, and documentation
• Included QAsh System Controller avoids the need for any extra hardware
• If desired, operational data can be stored and ex-ported to any PC via USB.
• QAsh software provides real-time status of ashing method and performance.
• Intuitive method creation allows for multiple heating steps including control of air flow.
• Methods are saved on the System Controller for future viewing or importing.

4. Automated Hot Block Digestion System – Vulcan

The Vulcan Platform is our fully modular Laboratory Automation Solution for sample preparation. Capable of fully Automated steps from your raw sample to autosampler rack, in nearly any Lab Sample Digestion process. Our Automation Experts will learn the needs of your lab, and determine your ideal Vulcan configuration.

Features:

• 7 Dedicated reagent lines running from bottle to probe
• Choice of Glass & PTFE Syringes, or Peristaltic Pumps
• Syringe accuracy of ± 0.05 mL in one stroke.
• Accuracy of ± 0.1 mL for pumps (~0.4 mL/sec) in 5 mL.
• Syringes and Pumps available for all liquids including HF, HClO4, H2O2, KMNO4 and H2SO4
• Choice of digestion block heating 230 °C to 400 °C
• Easy to swap blocks as necessary
• The workstation is a built-in fume hood and saves valuable lab space
• All plastic construction prevents any corrosion by acid & heat and maintain robotic movements unobstructed
• Compatible for use with Perchloric acid
• Optional ULPA/HEPA filter maintain a particle free work area

5. Automated Dilution System – QPrep

The QPrep Automated Workstation provides an integrated solution for precise sample dilutions, transfers, dispensing and other liquid handling functions for the laboratory. The system is designed to handle precise reagent delivery for a large number of samples in multiple rack configurations. Automating the handling of expensive and hazardous chemicals helps to increase the profitability and safety of the laboratory.

Features:

• Continuous flow of dual syringe pump to achieve high throughput
• Capable of handling HF solutions with Teflon syringe option
• PTFE coated rigid graphite probe for accuracy of vial access and ease of cleaning
• Accepts multiple rack types and sizes one platform
• Unique combined action of syringe and peristaltic pumps delivers accuracy, flexibility and speed
• Driven by user-specified methodology through integrated PC software
• Engineered Polymer construction prevents corrosion and contamination
• Dual chamber rinse station is used to clean the probe in between the sampling process to keep the sample contamination free
• Option to Include HEPA filter to prepare samples in clean-room environment
• QPrep comes preconfigured by the Questron as per your need
• Real time data is shown on the screen which provide live status of all the processes physically occurring in the system itself.
• Daily operation can be segmented into very straight forward process of creating a batch and running a batch.
• Software has an ability to alter batches on the fly and avoid batch re-creation which makes it easy to use with all type of modification during the process
• QPrep software is an extremely versatile as well as user friendly application that is compatible with Windows XP, 7, 8 , 10 or 11 OS on a desktop or laptop computers.