GC-9560-HGHigh purity ammonia and ultra pure ammonia analysis using helium ion chromatographySuitable for high-purity ammoniaH₂、 O₂（Ar）、N₂、 CH₄、 CO、CO₂For the detection of trace impurities, the instrument is equipped with a highly sensitive helium ionization (PDIHID) detector, using center cutting and blowback technology, 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 ammonia is completed in one goimpurityThe 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 14601Gas for Electronic Industry Ammonia
• GB/T 28726 "Gas Analysis - Helium Ionization Gas Chromatography Method"

IIGC-9560-HGHigh purity ammonia and ultra pure ammonia analysis using helium ion chromatographyTechnical 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
• 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

IIIGC-9560-HGSystem 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. High purity ammonia analysis spectrum:

5、 Classic case

Zhonghao Guangming Chemical Research and Design Institute

Suzhou Jinhong Gas Co., Ltd

Shanghai Pujiang Gas Co., Ltd