GC-900A Gas Chromatograph

Specification

Host

: Pressure/Flow Control; GC-900A: Mechanical control

Number of sample ports supported

3

Maximum number of detectors supported

4

Temperature Control System

8-channel independent temperature control system

Column oven

: Control temperature; GC-900A: Room temperature+5℃-450℃

Minimum step value

0.01℃

Maximum heating rate

120℃/min

Cooling time

From 450°C to 50°C in <5 minutes

Programmed Temperature Ramp

≥20 steps

Temperature Stability

Ambient temperature ±1°C, column oven temperature variation <0.01°C

Others

1. Automatic Furnace Temperature Protection Function

Injection System

: Injection type; GC-900A: Compatible with split/splitless capillary injectors, septum purging packed column injectors, cold column head injectors, programmable temperature vaporization injection ports, valve injection systems, headspace injection systems, thermal desorption injection systems, etc.

Maximum operating temperature

450℃

Programmatic current increase

≥ 20 steps

Others

Features an independent split cold trap and a septum purge trap

Detector

Hydrogen Flame Ionization Detector (FID) / Maximum operating temperature / 450℃

Detection limit

≤4.3 pg C/s ( n-hexadecane )

Baseline drift (30 min)

≤2×10⁻ 13 A

Baseline noise

≤2×10 ⁻ 14 A

Dynamic Linear Range

≥10⁷

Function

Auto-ignition function

Thermal Conductivity Detector (TCD)

: Sensitivity; GC-900A: ≥8000mV.mL/mg

Baseline drift (30 min)

≤0.2mV

Baseline noise

≤0.05mV

Dynamic Linear Range

≥10 5

Function

Air Gap Flow Protection Function