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Microwave Sample Preparation System, MDES-15

  • Cavity: 65L stainless steel industrial grade professional chamber, multi-layer chemical resistant PFA coating
  • Reaction Vessel Volume: 100ml
  • Processing capacity in one batch: 16
  • Maximum Design Pressure: 10MPa(1500psi)
  • Maximum Temperature: 300℃
  • Maximum Sample Amount: 0.5-1.0g

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Microwave Digestion

1. The quartz digestion vessel enables the digestion process to be visible;
2. Initiative wireless remote video monitoring system, together with quartz vessels, makes the reaction be seen clearly at a glance. Pictures and videos can be taken during the entire process;
3. The drying rotor aides in the drying process of samples, Bioevopeak’s patented safety bolt design eliminates the need for explosion-proof membranes and other costly consumables.
4. The Aerospace composite fiber outer vessel ensures the highest level of vessel security.
5. Large 65L stainless steal chamber and dual magnetron structure, is designed for high energy and uniform microwave field.
6. With over 20 years of experience in the industry Bioevopeak is known as a innovation leader with numerous patents.
Our Latest microwave system (The MDES-15)is the culmination of over 20 years of refinement. The MDES-15 is a high-throughput, multifunctional closed microwave sample preparation workstation with the latest technology and a lifetime warranty on the core component. Versatility: The MDES-15 is a versatile microwave which can handle the routine work, and more complicated and demanding samples in your prep rack with a wide variety of vessels to choose from. Safety is priority number one! At Bioevopeak we put safety at the top priority, which is why we have painstakingly designed every aspect of our microwave system with the highest level of security measures, such as the use of aerospace composite fiber vessel sleeves, and our patented Safety Bolt. Efficient by design: MDES-15 applies high-energy uniform microwave field, it delivers a rapid digestion with a quick 20 minute cool down time. Bioevopeak has incorporated the latest technology of material design while engineering a very safe, durable and easy to use microwave.

Functional vessels for your various application needs
Conventional digestion:
With 16 high-throughput GP-100 digestion vessel set, MDES-15 can work for long time digestion at ultra high temperature. It meets the requirements for most of the digestion tasks;  With remote Wi-Fi video monitoring system for quartz vessel, the whole process can be observed, pictures and videos are available during the entire process.

Sample drying:
The F-DRY drying rotor supports rapid and uniform microwave drying, the sample drying time is only a quarter that of traditional method, it can also prevent sample contamination and carbonation. There’s no need of any modification to the main machine to complete the drying task.
Microwave extraction, microwave Kjeldahl Nitrogen Determination, etc:
Bioevopeak’s application engineers have developed the application methods for microwave extraction, microwave Kjeldahl nitrogen determination, etc. Our technical support is at your service all the time.
The outer vessel of MDES-15 exclusively made by ultra strength aerospace composite fiber is invincible in anti-explosion, and its performance indicators such as corrosion resistance, high temperature/impact/pressure resistance are far better than that of the widely used modified PEEK engineering plastics vessel (this material is fusible at high temperature,fragile at high pressure and explosive by chemical corrosion),fundamentally eliminating safety risks to operator in use.

Microwave Digestion

Quantified safety bolt design, ensures samples be closed completely and triggers a quantified pressure relief while over pressure; Safety Bolt unit, instead of safety membrane and other consumables,ensure the digestion vessel be sealed completely under normal working conditions, which avoids the loss of volatile elements and incomplete digestion. And only when the pressure is too high and may constitute a danger to the safety, the safety bolt will automatically blow out vertically and the cover auto-up to release the pressure, achieving quantified vertical blast pressure-relief to guarantee its well operation. Under normal operation, the safety bolt requires no replacement. In addition, it is easy for venting to open the cover after completion of digestion.

Microwave Digestion

The industrial-leading pressure measuring technology by piezoelectric crystal and high-precision Pt sensor temperature measurement, through closed-loop control of microwave power by inverted technique, ensure the accuracy of pressure and temperature monitoring and control. The application of patented piezoelectric crystal brings complete isolation of samples from pressure measurement system in digestion process,thoroughly solving the problems of cross contamination of samples due to commonly used air pipe in market and of the limitation in digestion samples because of low-pressure proof of air pipe.
The whole set of digestion vessels was designed to rotate continuously in one direction, it breaks conventions of<360° back and forth rotation, avoiding uneven heating on vessels and reducing impact on turntable motor to extend service life. The temperature and pressure cables are short, that they are free from twisting in running and can be disassembled easily.
The new industrial design is smart and colorful, that in line with the needs of modern laboratory construction needs.It re-layout its internal structure more scientifically, with the 65L industrial 316L stainless steal reactor chamber and dual magnetron structure, ensures uniform heating of the microwave and high microwave power emitting.

Microwave Digestion

Innovative remote wireless video monitoring system, together with the high-intensity transparent quartz vessel, makes the digestion process clearly visible. Mobile phones and tablets can realize the observation and monitoring of the reaction, making the operation safer and more convenient.

Sturdy and durable industrial-grade chamber design strengthen its impact resistance, and multi-layer chemical resistant coating greatly improves the service life and safety of the system; the pop up cushioning explosion-proof sliding chamber door (Auto-Pop structure) builds a passive safety protection system, and it can disable the microwave power automatically once explosion happens; efficient exhaust system design achieves fast and safe forced-air cooling (20 min cooling time from 200℃to 60℃), improving operational efficiency.

Microwave Digestion

The Pop up Cushioning Explosion Proof Sliding Chamber Door

High-performance digestion rotors:

16 GP-100ultra-high-strength frame closed vessel

16 high-throughput GP-100 digestion vessel set adopts the latest technologies and high-end materials, it is capable of long time digestion work under high temperature and pressure, which can meet the needs of vast majority of digestion tasks. It is especially suitable for the test house or labs handling with various sample types and large capacity. GP-100 is also suitable for the applications of solvent extraction, microwave Kieldahl nitrogen determination and microwave hydro-thermal synthesis, etc.

Microwave Digestion

Maximum design pressure: 10MPa (1500psi)

Maximum design temperature: 300℃

Internal vessel volume: 100ml

Outer vessel material: Ultra-strength aerospace composite fiber, high temperature and pressure resistance reach 600℃ and 66 Mpa (10000psi).

Internal vessel-material: TFM (modified polytetrafluoroethylene)

Maximum processing quantity: 16 vessels

F-DRY microwave drying rotor

F-DRY microwave drying rotor realized rapid and uniform drying, it takes the moisture off sample through microwave heating and vortex air. The sample drying time is only a quarter of that required by conventional heating. The special design of the air inlet and outlet can prevent sample from contamination and loss, at the same time, there is no carbonized risks of the sample by microwave heating. The heating task can be completed without any modification of the main machine. It meets the standard for special sample testing like soil.

Microwave Digestion

Size of drying plate: 27cm in-diameter

Drying plate material: TFM (modified polyethylene)

Drying wind speed: three adjustable grades of high, middle and low drying wind


Host parameters of a closed high-throughput multifunctional microwave sample pre-processing workstation

Model MDES-15
Power 220-240 VAC 50/60Hz 16A
Microwave source 2450MHz, dual magnetron design
Installed power 3600W
Maximum output power 1800W, non-pulse continuous automatic variable frequency control
Cavity 65L stainless steal industrial grade professional chamber, multi-layer chemical resistant PFA coating
Door design 6 layer steel structure and pop up cushioning explosion-proof sliding chamber door (Auto-Pop) design, electronic and mechanical dual-control door lock
Video monitoring system (Optional) Wireless video monitoring system, mobile phones and tablets can realize the observation and monitoring of the reaction
Turntable design Load 16 GP-100 closed digestion vessels at same time
Pressure measurement and control system Piezoelectric crystal pressure sensor, pressure control range :0-10MPa (1500 psi), accuracy ± 0.01MPa
Temperature measurement and control system High-precision platinum resistor temperature sensor, temperature range :0-300°C, accuracy ±1℃; IR temperature sensor as optional, temperature range :0-300°C, accuracy ±1℃.
Outer vessel material Explosion-proof outer vessel made of aerospace composite fiber. high temperature and pressure resistance reach 600℃and 66 Mpa(10000psi).
Inner vessel material Modified TFM material
Chamber exhaust system High-power anti corrosion axial fan, 20 minutes cooling time (from 200°C to 60°C)
Working environment 0-40 °C, 15-80%RH
Whole physical size/weight 550*670*700 mm, 70 KG


Name of reaction vessel 16 GP-100 ultrahigh strength frame closed vessel
Model of reaction vessel GP-100
Processing capacity in one batch 16
Inner vessel material TFM
Explosion-proof outer vessel material Aerospace composite fiber Xtra Fiber
Frame structure of digestion rotor Independent frame structure of each digestion vessel
Reaction vessel volume 100ml
Maximum design pressure 10MPa(1500psi)
Maximum temperature 300℃
Maximum sample amount 0.5-1.0g
Resistance to HF Yes
Magnetic stirring function No
Typical application Food, soil, metal, alloy, cosmetic, plant, etc.


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    Contact Info

    Rm. 2014, Bldg. 3, Ligaoguojihuayuan, No. 1222, West Aoti Road, Lixia District, Jinan, Shandong

    Phone: +86-531-88982330

    Fax: +86-531-88983691


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