1Instrument Introduction

HZSV-20APThe fully automatic thermal desorption instrument isBeijing Hongzuo Shengwei Technology Co., LtdIndependently developed and launched with fullautomaticChemical designTouch screen displaydisplayMore convenient operation, can run continuouslyNew generation fully automatic thermal desorption instrument for 20 samples.It's also possibleAdd ambient temperature secondary desorption components or low-temperature secondary desorption components according to user needs.

HZSV-20APtypeFully automatic thermal desorption instrumentCan be used with all imported and domestic gas chromatographs, cansatisfyThe following standards:

1.《HJ/644-2013 Determination of volatile organic compounds in ambient air - Adsorption tube sampling - Thermal desorption gas chromatography-mass spectrometry method；

2.《HJ/T400-2007 Sampling and Determination Method for Volatile Organic Compounds and Aldehydes and Ketones in Vehicles；

3.《GB/T18883-2002 Indoor Air Quality Standards；

4.《HJ/583-2010Determination of Benzene Compounds in Environmental AirSolid adsorption/Thermal desorption gas chromatography；

5.《GB/50325-2010 Code for Indoor Environmental Pollution Control of Civil Building Engineering；

6.《HJ 734-2014 Determination of volatile organic compounds in fixed source exhaust gas Solid phase adsorption thermal desorption/gas chromatography-mass spectrometry method》etc..

2、 InstrumentCharacteristics and main functions

*1. Can run automatically up to20 samples, no need for personnel on duty；

2. Power onSelf check, fault alarm and prompt,Adopting independent patented technologyAutomatic positioningCalibrationSample tray;

3. Microcomputer programControl, the main functions are:

⑴ Method parameter setting, real-timeAnimation displayWorking status and running time;

⑵Desorption zoneSample injectionvalveSampletransmissionPipeAnd the secondary desorption zone，fourLu JunaloneHeating and temperature control;

⑶Set up analysisProgram,Press the run button to automatically complete all sample analysis；

⑷Normal temperature secondary desorption components or low-temperature secondary desorption components can be added according to user needs；

⑸ The GC and chromatographic data processing workstations can be started synchronously, and the device can also be started using external programs;

*4. The machine comes with the function of simulating and sampling standard samples, which makes it more convenient to create working curves through a thermal desorption instrument;

*5. Can load the built-in sampling tube activation program to automatically activate the desorbed sampling tube；

6. Automatically implemented through time programmingDesorption, blow adsorption, re desorptionInjection and BackblowingcleanOther functions;

7. Adopting electronic refrigeration and second-order thermal desorption process to ensure narrow chromatographic peak shape；

8. Sample transmissiontransportPipeAnd the injection valveThere is an automatic blowback function, which avoids cross sampling of different samplessewageDyeing;

*9. In order to make it more convenient and accurate to use with imported gas chromatographs, this instrument is also equipped with dedicated interfaces for various imported instruments, which are easy to connect;

10. For active substance analysis, an elastic quartz tube can be selected as the sample transfer tube;

11. The injection needle is easy to replace and can be connected to all models at home and abroadGCInjection port.

3、 InstrumentMain technologiesparameter

*1Desorption1Temperature control range:

room temperature—400℃ In increments1℃Appointment;

*2.Temperature control range of valve injection system:

room temperature—220℃ Increase by 1℃Appointment;

*3.Temperature control range of sample transfer pipeline:

room temperature—240℃ In increments1℃Ren Shi

（For operational safety, the temperature control of the transmission pipeline adopts low-voltage power supply）；

*4.desorption2Temperature control range:

room temperature—400℃ In increments1℃Appointment;

(Heating rate)2000℃/min）

*5. Temperature control range of cold trap:

-35℃—50℃ In increments1℃Ren Shi

(Using the most advanced electronic refrigeration device, no need for liquid nitrogen refrigeration)

*6.Temperature control accuracy:< ±0.1℃ ；

7Temperature control gradient:< ±0.1℃；

*8.Sample grade:20 people

9Desorption recovery rate:>98%(Related to components);

*10.Backblowing cleaningTraffic:0～100ml/Min (continuously adjustable);

*11. Simulated sampling flow rate: 100ml/min;

12.Instrument size:450×360×510mm³；

13.Instrument weight: approximately30kg。