GC-9802   Gas Chromatography Tester (GC) with Advanced Design 

Brief Introduction

    GC-9802 gas chromatography, is a multifunctional laboratory analytical instrument controlled by computer, can be equipped with thermal conductivity detector (TCD), hydrogen flame ionization detector (FID), electron capture detector (ECD), flame photometric detector(FPD), nitrogen phosphorus detector (NPD) five detectors. Can be filled with packed columns and capillary columns. The instrument can be heated and nine-order  programmed heating operation.

Standard

QBT 2929, GB/T 10004-2008,  YBB 00132002

Product Feature

u Economical and practical, excellent performance and quality.

u Adjustable gas circuit pressure, stable flow, with multiple gas circuit system of nitrogen, hydrogen, air, exhaust, shunt , cleaning.

u LCD screen displays temperature in real time.

u Cellular overall structure design, convenient to install and maintenance.

u Advanced noise resistant system, work quietly.

u Over-temperature protection function, with program protection and circuit protection double insurance.

u With data workstation, professional software support and powerful data analysis function.

u Display working condition and chromatogram curves; curves can be zoomed and moved.

u Professional test report, can export PDF file.

u Manual button switch, its function is equal to “start collecting”, which is convenient for sampling.

u Easy to operate detector and baseline calibration.

Technical parameters

Temperature control

(1) Column chamber temperature:

Temperature range: room temperature plus 3 ℃ -400℃

Temperature stability: superior to 0.2%

Temperature gradient: column effective area is not greater than 2%

Deviation between set temperature and actual temperature is not greater than ±2%

Program order: 9 orders

Heating rate: 0.1-40℃/min, (in increments of 0.1 ° C).

Cooling rate: column temperature cooling time from 250 ℃ to 50 ℃ is not greater than 8 minutes. Repeatability of the programmed heating is not greater than 1%.

Initial and final temperature time: 0.1-256 min

(2) Temperature control accuracy vaporizing chamber and detecting chamber: ±0.1℃(within room temperature +10℃ to 200)±0.2℃(above 200±℃)deviation between set temperature and indicated temperature is not greater than 1℃.

Temperature control range: room temperature+10℃-400℃

(3) Over-temperature alarm

When any circuit temperature over the set temperature 16℃ and continue to rise, the screen will have message notices and sound alarm.

2. Thermal conductivity (TCD) detector

(1) Sensitivity: not greater than 6000mv.ml/mg ( benzene/ methylbenzene)

(2) Noise: not greater than 35uv

(3) Drift: not greater than 100uv/30min

(4) Starting time: not greater than 4 hours

3. FID detector:

(1) LOD ( limit of detection):not greater than 1×10-11g/s(inn-hexadecane/isooctane)

(2) Noise:not greater than 4×10-14A

(3) Drift:not greater than 2×10-13A/30min

(4) Starting time:not greater than 2 hours

4. ECD detector

(1) LOD ( limit of detection):not greater than 1×10-13g/ml(γ-666/ isooctane)

(2) Noise:not greater than 40uv

(3) Drift:not greater than 100uv/half an hour

(4) Starting time:4 hours

5. FPD detector  

(1) LOD:for sulphur not greater than 5×10-11g(s)/s(thiophene), for phosphorus not greater than1×10-11g(p)/s(ethyl-1605)

(2) Noise:less than 5×10-13A

(3) Drift:less than 1×10-12A/30min

6. NPD detector

(1) LOD:for nitrogen not greater than 5×10-12g(n)/s(azobenzene), for phosphorus not greater than 5×10-13g(p)/s(malathion- isooctane)

(2) Noise:not greater than 2×10-13A

(3) Drift:not greater than 1×10-12A/30min

7. Instrument size and weight

(1) Mainframe size:500×550×500(unit: mm,length×width×height)

(2) Weight:about 50kg