ATDS-8020 (20 bit) fully automatic secondary thermal analyzer

Product Introduction

Fully automatic 20 bit low-temperature secondary thermal desorption instrument - intelligent high-temperature desorption - precise air monitoring - automated sample pretreatment system

Developed by our companyATDS-8020The fully automatic 20 bit low-temperature secondary thermal desorption instrument is a fully automatic analyzer that integrates sampling, dry blowing, adsorption, desorption, injection, and cleaning. It can automatically complete the desorption and injection analysis process of 20 adsorption tubes in conjunction with chromatography. It adopts a unique two-stage thermal analysis structure, electronic refrigeration, and two-stage low-temperature focusing instantaneous high-temperature analysis, with high sensitivity and good reproducibility, greatly improving the sample analysis rate and efficiency, and effectively enhancing the resolution of chromatographic peaks; The intelligent color touch screen user interface and development debugging interface facilitate direct setting and editing of tests, making it easy for users to use at a glance. It can meet the requirements and frequency of analysis projects, and optimize instrument configuration to maximize instrument utilization and ensure the continuity and reliability of sample analysis work.

working conditions

• Power supply: 220VAC ± 22VAC 50Hz ± 0.5Hz
• Backblowing carrier gas pressure: ≤ 20psi
• Environmental temperature: 5-35 ℃
• Relative humidity: ≤ 85%

instrument parameters

• One click operation, automatic timing completion analysis
• Fully electronic flow control, precise flow control by mass flow meter, unaffected by temperature and pressure changes

• Has strong scalability and can be extended to dual flux working mode on the basis of standard configuration; One thermal analyzer can be connected to two GCs or GCMSs for simultaneous use (achieving dual channel simultaneous injection, which can double the work efficiency).

• Intelligent color touch screen, method setting, quick start, clear at a glance
• Automatically detect the tightness of the pipeline before analysis, and do not inject samples into the leaking sample tube to effectively protect the sample and avoid repeated sampling
• Fault alarm function
• Unique two-level analytical structure, electronic refrigeration (minimum refrigeration temperature can reach -30 ℃), no refrigerant required, meeting most low-temperature enrichment requirements
• Secondary low-temperature capture and flash evaporation technology, easily obtaining excellent chromatographic responsiveness and peak shape
• Universal interface, compatible with any brand of gas chromatograph GC and GCMS, universal synchronous control docking method
• Adjustable flow display, analytical flow rate, simulated sampling flow rate, and blowback flow rate
• useAdsorption tube, injection valve, transfer tube, focusing tube (cooling, heating), five separate temperature control channelsAchieve high temperature throughout the sample flow path, eliminate system cold spots, and reduce sample loss
• Fully inert gas path control ensures low detectability and low pollution of the system
• excellentGas path connection, no need to occupy the chromatographic injection port
• No need to drive gas, extending the service life of the carrier gas
• Split/non split system, adjustable flow rate, can be installed according to user needs, expanding the dynamic range of detection

Main technical parameters

1. Adsorption tube temperature control range: room temperature -420 ℃, temperature control accuracy ± 1 ℃
2. Six way valve injection system temperature control range: room temperature -260 ℃, temperature control accuracy±1℃
3. Temperature control range of sample transfer tube: room temperature -260 ℃, temperature control accuracy±1℃
4. Focusing tube temperature control range: -40 ℃ -450 ℃, heating rate:>4500 ℃/min
5. Cold trap temperature control range: -40 ℃ - room temperature, sampling electronic refrigeration, air cooling, temperature control accuracy±1℃
6. Sample grade: 20 digits
7. Backflow rate: 0-100ml/min (continuously adjustable)
8. Standard sample preparation flow rate: 0-100ml/min (continuously adjustable)
9. Analysis tube dry blowing, adsorption, desorption, injection, and blowback time: 0-999
10. Timing error:<0.1%
11. Sample tube specifications: diameter 6mm or 1/4 inch
12. focusing tubeSpecifications: Tenax, Tenax/carbon molecular sieve, C+B+100 three-stage composite, and other optional options
13. Performance parameters: Half peak width<3S, desorption rate>98% (ethyl acetate 0.1ul split 100 * 100)
14. Synchronous signal output: two switch quantities
15. Maximum power:<800VA

application area

The fully automatic 20 bit secondary thermal analyzer has an automatic secondary thermal desorption analysis system, automatic simulation sampling function, automatic sample tube transfer function, automatic blowback function, and automatic rapid secondary analysis, meeting the general analysis requirements for small sample sizes.

Thermal desorption analyzer, as a solvent-free extraction technique for gas chromatography, has been increasingly widely used. This technology has the characteristics of high sensitivity, fast and simple operation, and wide range of applications. Suitable for the analysis of volatile and semi volatile organic compounds in air and materials compatible with gas chromatography, including air, semiconductor materials, polymers, interior decoration, furniture packaging materials, drugs, and flavor analysis and detection, etc; The analysis scope can include organic compounds with volatility greater than n-C40 and a small amount of inorganic compounds.

Applicable standards:

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

HJ/T400-2007 Sampling and Determination Methods for Volatile Organic Compounds and Aldehydes and Ketones in Vehicles;

GB/T18883-2002 Indoor Air Quality Standards;

HJ/583-2010 Determination of Benzene Compounds in Environmental Air Solid Adsorption/Thermal Desorption Gas Chromatography;

GB/50325-2020 Code for Indoor Environmental Pollution Control of Civil Building Engineering;

HJ 734-2014 Determination of Volatile Organic Compounds in Fixed Source Exhaust Gas, Thermal Desorption/Gas Chromatography Mass Spectrometry Method

GBZ/T300.6-2017 Determination of Toxic Substances in Workplace Air; Parts 60, 62, and 66

GB/T18204.2-2014 Methods for Health Inspection of Public Places; Part II Chemical Pollutants

Configuration List:

1. ATDS-8020One low-temperature secondary thermal analyzer host (including instruction manual and warranty card)
2. Detachment tube: Activated carbon tube, TENAX tube, TC tube can be optionally selected (reused no less than 200 times)
3. 40 sets of detachment pipe joints (additionally equipped with 50 O-ring seals and 50 gaskets)
4. 1 set of thermal analyzer installation kit