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CW-2000A Ultrasonic-Microwave Cooperative Extraction Instrument
CW-2000A Ultrasonic-Microwave Cooperative Extraction Instrument
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CW-2000A Ultrasonic-Microwave Cooperative Extraction Instrument

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  • 1. The company has its own laboratory furniture brand "MINKE";
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CW-2000A Ultrasonic-Microwave Cooperative Extraction / Reactor

At present, the ultrasonic extraction instrument widely used in the laboratory is to transmit the ultrasonic wave generated by the ultrasonic transducer through the medium (usually water) and act on the sample. This is an indirect mode of action. The intensity of sound vibration is low. Generator power (³300W) to improve extraction efficiency. However, the large ultrasonic power will make people feel uncomfortable.

The existing microwave digestion or extraction instruments include two types: high-pressure closed type and normal pressure open type. Although each has its advantages, it also has some disadvantages. For example, when sample processing is performed in a closed extraction kettle, high temperature and high pressure conditions have high requirements on the strength, sealing and aging properties of the material used to make the sample tank, and may also cause changes or damage to the structure of some organic components in the sample. In addition, the sample processing capacity is small (about 0.5-5 g), and the cooling and decompression time after processing is longer. Relatively speaking, the open microwave-assisted technology under low temperature and normal pressure does not have high requirements on the sample cans, and the sample processing capacity is also greatly increased, but the sample processing time is longer and the efficiency is reduced.

In order to overcome the shortcomings of the above-mentioned single ultrasonic or microwave-assisted technical methods, we first proposed a new concept of microwave-ultrasonic synergy for sample pretreatment under low temperature and normal pressure conditions, and successfully developed the CW-2000 ultrasonic -Microwave collaborative extraction / reaction instrument. After years of use and practice, this type of instrument has been recognized by users. In order to meet the requirements of more different users, according to user suggestions and the company's practice, this type of instrument has been greatly improved, and the CW-2000A product has been introduced. This type of instrument further increases the volume of the furnace cavity and the reaction vessel. And microwave power and heating temperature ranges.

Technical index

Multi-purpose for one machine: three modes of action : ultrasonic, microwave, or ultrasonic-microwave synergy can be selected at will;

Power / Frequency: Power range: 0-1300W; Microwave frequency, 2450MHz;

Ultrasonic power / frequency: 50W / 40 KHz;

Microwave action mode: non-pulse continuous microwave heating;

Ultrasonic mode of action: The low-power ultrasonic transducer is directly connected to the reaction container, the noise is small, and the acoustic vibration (energy) efficiency is close to 100%;

Microwave power control mode: including three control modes : timing control, constant temperature control and constant temperature control;

Temperature control: non-contact infrared temperature measurement. Temperature range, room temperature ~ 120 ℃ (± 1 ℃);

Program control: 9 methods can be preset and stored. Each method can be set up with 9 stages, and each stage can be preset time (1-9999s), microwave power, working temperature, control mode, ultrasonic (on / off) and other parameters or functions. transfer;

Reactor monitoring: 4 "liquid crystal display monitor real-time video monitoring sample reaction status;

Sample volume: 100mL, 250mL, 500mL, 1000mL (special specifications can be customized according to user requirements)

Volume of furnace cavity: 65L

Power supply: 220 V ± 10%, 50 Hz; input power: 1600W

Appearance and weight: 610 × 450 × 630 mm; Net weight: 40Kg

Performance characteristics

◎ Multipurpose for one machine: You can choose any one of the three modes of action : ultrasonic, microwave, or ultrasonic-microwave synergy. It can truly realize multipurpose for one machine. It is used to study chemical reactions, chemical synthesis, material preparation, and analysis of chemical samples. The best choice of methods and mechanisms;

Efficient ultrasonic vibration: The ultrasonic vibration energy directly acts on the sample container, which has high acoustic vibration efficiency, low energy consumption and low noise. The embedded wireless design makes it easier to place and remove the sample container;

Large sample capacity: up to 1000mL, which greatly improves the sensitivity of analysis; At the same time, different shapes or volumes of containers can be customized according to user needs;

Various power control modes: There are three modes of timing control, constant temperature control and constant temperature control. Can be selected according to sample system, work task and reaction type;

Intuitive and convenient operation: The microwave power and action time can be adjusted arbitrarily, and the modes and degrees of ultrasonic and microwave action can be arbitrarily combined and set. Real-time monitoring of sample reaction status and reaction temperature;

Low temperature and normal pressure environment: can reduce the damage to the organic structure of the sample;

Safe and reliable: Low temperature and normal pressure environment, no need to process or purchase special material sample container, operation is safer. Direct ultrasonic vibration has high efficiency and low noise; microwave leakage is less than 0.3mW / cm 2 (national standard is 5mW / cm 2 );

Wide range of applications: it can be widely used for sample preparation of inorganic, organic and biological analysis. In particular, it can be used as a new type of reactor, which is widely used in universities and scientific research units to carry out many meaningful research work in chemical reactions, organic synthesis, sample digestion or extraction methods;

Unique patented technology: This instrument uses 3 patented technologies (ZL 20042 0114391.1; ZL 2004 20014392.6; ZL 2004 20114393.0)

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