GC-9560-HG High Purity Nitrogen Analysis Helium Ion Chromatography InstrumentSuitable for high-purity nitrogenH₂、 O₂（Ar）、CH₄、 CO、CO₂classThe detection of trace impurities is carried out using a highly sensitive helium ionization (PDIHID) detector equipped with central cutting and blowback technology. The instrument is equipped with an injection switching valve with a blowback protection gas path and an imported helium purifier. Through non dead volume sampling or online injection methods, high-purity nitrogen can be obtained in one goabove-mentionedimpurityThe detection limit reaches ppb level, and the repeatability RSD is ≤ 1%.
The national standard GB/T 28726-2012 "Gas Analysis - Helium Ionization Gas Chromatography Method", which was mainly drafted by Hua Ai Chromatography, has been officially announced and implemented since February 1, 2013.

1、 Applicable standards:

• GB/T 8979-2008 "Pure Nitrogen, High Purity Nitrogen, and Ultra Pure Nitrogen"
• GB/T 28726-2012 "Gas Analysis - Helium Ionization Gas Chromatography Method"

2、 Technical parameters:

1. Detection limit (ppb):

2. Temperature control indicators:

• Column box: 8 ℃ -400 ℃ at room temperature with an accuracy of ± 0.1 ℃
• Sample injector: Accuracy ± 0.1 ℃ at room temperature between 8 ℃ and 400 ℃
• Detector: Accuracy ± 0.1 ℃ at room temperature between 8 ℃ and 400 ℃
• Temperature control quantity: eight channels
• Program heating: 8th order
• Heating rate: 1 ℃~40 ℃
• Cooling rate: within 7 minutes (350 ℃ to 50 ℃)

3. Helium ionization detector (PDD):

• Discharge mode: Pulse discharge
• Baseline noise: ≤ 0.1mv
• Baseline drift: ≤ 0.5mv/30min
• Detection limit: ≤ 1.0 × 10-10g/ml

4. Carrier gas purifier:

• Purified gases: He, Ar, Ne, Kr, Xe, Rn
• Maximum operating pressure: 1000Psi
• Gas removal: H₂、 O2, N2, CO, CO2, CH4, H2O, NO, NH3, CF4, etc
• Residual concentration: ≤ 10pppb

5. Workstation performance:

• Communication interface: RS232/USB interface
• High precision: 24 bit high-precision A/D
• Resolution: ± 1UV
• Input voltage range: -5mv to+1v
• Sampling frequency: maximum 20 times/second
• Dynamic range: 106
• Integral sensitivity: 1 μ v • sec
• Linearity:<± 0.1%.
• Reproducibility: 0.06%.

6. Other parameters: size, weight, power supply:

• Dimensions: Width 655mm x Height 500mm x Depth 480mm
• Weight:~48kg
• Power supply: 220V ± 22V, 50Hz, power ≥ 2kW

3、 System configuration:

(1) GC-9560-HG helium ion chromatograph (2) helium ionization detector (PDDID)
(3) Central cutting system (4) multi column box system
(5) Helium Purifier (6) Standard Gas
(7) Chromatography Column (9) Oxygen Adsorption and Reduction System
(10) Special pressure reducing valve for carrier gas (11), no dead volume dedicated sampling valve
(12) GC-9560V4.0 Reverse Chromatography Workstation

4、 Analysis spectrum:

1. Analysis of high-purity nitrogen:

2. Analysis of high-purity hydrogen gas

5、 Classic case

Liquefied Air Linde Gas Air Chemical

Yingde Gas Jinhong Gas baosteel

Zhonghao Guangming Chemical Research and Design Institute CSIC 718th Research Institute

Shanghai Institute of Metrology National Chemical Industry Gas Inspection Center

National Institute of Metrology