Residual Solvents in Food Packaging Bags, Residual Water, Gas Chromatography, Liquid Chromatography, Gas Chromatography

1、 Main technical features:

1. The instrument adopts Chinese large screen LCD liquid crystal Chinese character display technology, which displays intuitively, is easy to operate, and is more suitable for China's national conditions.

2. Self diagnostic function with "0 ℃" protection function. When the temperature display of any channel is always "0 ℃", the heating will automatically stop to prevent the heating element from being damaged due to the constant heating of the chamber And there are Chinese prompts for the cause of the fault and alarm prompts.

3. The touch keyboard facilitates users to set various operational data.

4. Data power-off protection function, the operating data set by the instrument can be saved for a long time after power failure.

5. Microcomputer controlled FID detector with automatic ignition and stopwatch timing function.

6. Equipped with over temperature protection device. It is extremely difficult for the temperature to exceed the set point, and the instrument will stop heating and report the fault on the display.

7. The instrument parameters are intuitively displayed on a large LCD Chinese monitor, and through a user-friendly software interface, it is greatly convenient for users to set parameters including various temperature, range, detector, bridge current, etc; Intuitively operate the switch bridge flow, turn on and off temperature control, turn on and off the lift and various time events functions.

8. The instrument computer is connected to the Internet and can be connected to the instrument through a remote computer to realize remote data collection and management. Improved the degree of freedom of the device and promoted its effective application in the laboratory.

9. The main control circuit adopts advanced microprocessors and large capacity memory, making data storage more reliable. The integrated design of measuring, controlling, and power supply on a single circuit board has improved the anti-interference and reliability of the instrument.

10. The temperature control circuit using a microprocessor achieves a temperature accuracy of 0.1 degrees for the controlled objects in each heating zone.

11. The intelligent dual rear door technology ensures good temperature control accuracy of the instrument column box and can quickly cool down.

12. Eighth order programmed heating is suitable for the analysis of complex samples with wide boiling points.

13. Unit based overall structural design, easy to install and maintain.

14. Large volume column box, capable of installing four chromatography columns simultaneously.

15. The instrument design is reasonable and flexible, capable of installing three types of detectors simultaneously, and has independent circuit systems and signal output terminals.

16. Flexible packed column and capillary column system, capable of connecting capillary columns of different diameters.

17. It has gas cutoff protection and Chinese prompt function, which can maximize the protection of TCD tungsten wire and chromatographic column from damage.

2、 Main technical indicators:

1. Temperature control indicators:

Column box: accuracy ± 0.1 ℃ (measured at 200 ℃) at room temperature between 5 ℃ and 420 ℃.

Sample injector: Accuracy ± 0.1 ℃ at room temperature between 5 ℃ and 420 ℃ (measured at 200 ℃).

Detector: Accuracy ± 0.1 ℃ at room temperature between 5 ℃ and 420 ℃ (measured at 200 ℃).

Up to six temperature control channels: suitable for multiple temperature control requirements such as installing conversion furnaces.

2. Column temperature box parameters:

Temperature control accuracy: accuracy ± 0.1 ℃ at room temperature between 5 ℃ and 420 ℃.

Column temperature box volume: 280mm × 280mm × 250mm.

Program heating order: eight orders.

Program heating rate: 1 ℃ -50 ℃.

Constant temperature holding time for each stage: 0-300min (1min increments).

Automatic rear door design ensures rapid cooling.

A high-power, low-noise rotating fan ensures temperature uniformity.

3. Stable dual air system:

The carrier gas flow rate adopts a dual stability design of first stabilizing and then stabilizing the flow.

Accurate scale type pneumatic control valve components with high reproducibility and stability.

4. Multiple injection methods are available:

Fill the column head for injection.

Filling column gasification injection.

Capillary diversion/non diversion injection: back pressure valve control technology, linear diversion.

Six way valve gas injection.

TC-GC-9860 (Type II) gas chromatograph

Attachment: Technical data of TC-GC-9870 gas chromatograph

1. Switching display technology between Chinese and English, 5.7-inch LCD large screen (320 * 240). Up to 20 display interfaces, rich in information, can store 20 sets of chromatographic analysis data, and can be called at any time.

2. Industrial design appearance, novel and elegant, beautiful and practical, reasonable structure, and comfortable operation.

3. It has a gas cut-off protection function, which maximizes the protection of chromatographic columns, thermal conductivity cells, electron capture detectors, etc.

4. The eighth order linear program heating function and intelligent dual rear door design truly achieve near room temperature control and temperature control

The accuracy can reach ± 0.1 ℃, meeting the requirements of wide range analysis.

5. Comprehensive overheating protection and platinum resistance open circuit and short circuit alarm functions ensure that the instrument is not damaged.

6. Powerful self diagnostic function and Chinese fault prompts enable users to easily know the cause and location of the problem.

7. Adopting advanced FLASH memory system to permanently protect data without relying on batteries.

8. The microcomputer controlled FID detector has achieved automatic ignition function.

9. The high-precision stable voltage and flow mode ensures precise and stable airflow. Multi channel pneumatic control system, expandable to 21 channels.

10. The high-performance capillary dedicated vaporization chamber realizes a true split/non split injection system.

11. Can install 1-4 detectors simultaneously. Can operate with dual FID, dual TCD, dual ECD, or dual NPD. TCD is equipped with dual column gas replenishment, so it can be used with single column, dual column, or capillary column.

12. Can install and operate 1-3 sets of capillary columns simultaneously and can operate 3 detectors simultaneously. One instrument can achieve the use of three (shared in the column chamber). Or double FID double hair. Double TCD dual hair. Dual TCD work simultaneously without affecting each other, and the carrier gas can be independent of each other. Avoiding the tedious process of replacing chromatography columns and detectors.

13. It can realize the series and parallel use of detectors, and perform intelligent automatic conversion through event control.

14. The instrument can be installed with a conversion furnace, thermal desorption apparatus, automatic sampler, automatic headspace sampler, cracking apparatus, etc

Planting injection method. Automatic sampling can be scheduled to achieve automatic online analysis.

15. The instrument is particularly suitable for various enterprises, technical supervision bureaus, environmental monitoring, health and epidemic prevention, universities, scientific research and other departments.

Main features and technical parameters

1. Temperature control range: room temperature+5 ℃ -400 ℃ increments 0.1 ℃ accuracy ± 0.1 ℃

Program heating with 8th order heating rate of 0.1-50 ℃/min

2. FID: Mt ≤ 2 * 10-12g/s (n-hexadecane)

Rn≤2*10-14A（0.02mv）

Rd≤1.5*10-13A/30min(0.15mv/0.5h)

Linear range: ≥ 107

3. TCD: S ≥ 10000mv. ml/mg (n-hexadecane)

Rn≤20uv

Rd≤150uv/30min

Linear range: ≥ 104

After the dual column is used to supplement air, it can be used as a capillary tube

4.ECD: Mt≤3×10-14g/ml(γ-666)

Rn≤20uv

Rd≤150uv/30min

Linear range: ≥ 104

Radiation source Ni63

5.FPD:  Mp≤1*10-12g/s (1605)

Ms ≤ 1 * 10-12g/s (phenol)

Rn≤40uv

Rd≤150uv/30min

6. Other:

Dimensions: 550 × 500 × 520mm (length × width × height)

Instrument weight: 50Kg

Maximum power: 2000W

Voltage: 220 ± 10% 50Hz suitable ruler