Analysis of pharmaceutical intermediate content by gas chromatography

Product Technical Features:

1. The instrument adopts large screen LCD Chinese character display technology, which displays intuitively and is easy to operate.
2. Self diagnostic function, capable of displaying the location of the fault.
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. It has a stopwatch function.
6. Equipped with a temperature protection device. If the temperature exceeds the set point, the instrument will stop heating and report the fault on the display.
7. The large screen LCD Chinese display intuitively displays instrument parameters, making it very convenient for users to set parameters such as temperature, range, detector, bridge current, etc; Intuitive operation includes functions such as FID automatic ignition, switching bridge current, opening and closing temperature control, opening and closing stroke lift, and various time events.
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 effective application in the laboratory
9. The main control circuit adopts a microprocessor and a large capacity memory to make 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 fillingCan connect capillary columns of different diameters with capillary column systems.

1、 Main technical indicators:
1. Temperature control indicators:
Column box: Accuracy ± 0.1 ℃ (measured at 200 ℃) at room temperature between 8 ℃ and 450 ℃.
Sample injector: Accuracy ± 0.1 ℃ at room temperature between 8 ℃ and 450 ℃ (measured at 200 ℃).
Detector: Accuracy ± 0.1 ℃ at room temperature between 8 ℃ and 450 ℃ (measured at 200 ℃).
Z-six channel temperature control: suitable for multiple temperature control requirements such as installing conversion furnaces.
2. Column temperature box parameters:
Temperature control: 8 ℃ -399 ℃ at room temperature with an accuracy of ± 0.1 ℃.
Column temperature box volume: 260mm × 260mm × 250mm.
Program heating order: 6 orders.
Program heating rate: 1 ℃ -40 ℃.
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.
Jingque's calibrated pneumatic control valve components have 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.
Online injection: 24-hour continuous injection without supervision.
5. Five detectors to choose from
Hydrogen flame ionization detector (FID): used for organic compound analysis in the hydrocarbon industry and other fields.
Thermal conductivity detector (TCD): used for constant analysis of gases and liquids.
Nitrogen phosphorus detector (NPD): used for detecting trace nitrogen and phosphorus compounds.
Flame photometric detector (FPD): used for detecting trace sulfur and phosphorus compounds.
Electron Capture Detector (ECD): detects compounds that can capture electrons.