EXPEC 2000 Series Sulfide Online Analyzer Introduction
The sulfide analyzer uses gas chromatography to remove water and sample by cryogenic technology, and combines pulse flame photometric detector technology (PFPD) to monitor and monitor the organic sulfide in the atmosphere. After the sample is dehydrated and concentrated at a low temperature by a cryogenic pretreatment device, it is desorbed by high temperature, and then separated into an organic sulfur dedicated column for separation. The separated organic sulfur sample is detected by PFPD: qualitatively by retention time. The peak area was quantitatively analyzed.
The instrument makes full use of the advantages of low temperature and high efficiency enrichment and pulse flame photometric detector, with ultra-low detection sensitivity (0.1ppb) and ultra-high selectivity (no conventional hydrocarbon interference), which can be effectively used in the atmosphere. On-line monitoring of complex organic sulphides. Features
Cryogenic water removal enrichment technology
Ultra-low temperature refrigeration technology, high water removal efficiency for sample depth
Low temperature capture of samples to improve sulfide capture efficiency
Sulfide specific design
PFPD sulfide-specific selective detector not only has ultra-low detection sensitivity, but also avoids interference of other factors on sulfide
Sulfide-specific composite trap to improve the sensitivity of organic sulfide detection
Use fully inertized piping to avoid adsorption of organic sulfides
Split injection technology to solve the problem of large-capacity sampling, peak tailing and peak broadening caused by pyrolysis, and the system qualitative and quantitative analysis results are more accurate
On-site online design
The whole machine adopts 19" standard cabinet design, which is easy to install and maintain.
Historical data information is saved independently and data is automatically uploaded Technical Parameters
Detection principle: gas chromatography
Response time: ≤30min (adjustable)
Accuracy: ≤3%
Resolution: (0-300) ppb
Detection range: organic sulfides, including methyl mercaptan, ethanethiol, dimethyl sulfide, diethyl sulfide, dimethyl sulfide, carbon disulfide, etc.
Introduction
The sulfide analyzer uses gas chromatography to remove water and sample by cryogenic technology, and combines pulse flame photometric detector technology (PFPD) to monitor and monitor the organic sulfide in the atmosphere. After the sample is dehydrated and concentrated at a low temperature by a cryogenic pretreatment device, it is desorbed by high temperature, and then separated into an organic sulfur dedicated column for separation. The separated organic sulfur sample is detected by PFPD: qualitatively by retention time. The peak area was quantitatively analyzed.
The instrument makes full use of the advantages of low temperature and high efficiency enrichment and pulse flame photometric detector, with ultra-low detection sensitivity (0.1ppb) and ultra-high selectivity (no conventional hydrocarbon interference), which can be effectively used in the atmosphere. On-line monitoring of complex organic sulphides.
