PTR-TOF MS Aerosol Inlet (CHARON) | |||||||||||||||||||||||||||
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글쓴이 | 관리자 | 작성일 | 2020-08-24 17:12 | 조회수 | 1,777 | ||||||||||||||||||||||
CHARONReal-Time Aerosol Inlet for IONICON PTR-TOFMSThe new CHemical Analysis of aeRosol ON-line (CHARON) particle inlet coupled to IONICON PTR-TOFMS instrumentsquantitatively detects organic sub-µm particulate matter as well as particulate ammonium and nitrate at single digit ng/m³ massconcentration levels in real-time.▶하나의 장비로 입자 & 기체상의 유기 화합물을 순차적으로 분석 (시간 설정 가능) |
Limit of Detection | Average LoD < 200 pg m-3 (60 s, m/z 60 - m/z 400) |
Aerodynamic Lens System | Inlet flow: ~ 500 ml/min Robust operation and active pressure control |
Gas phase denuder | VOC adsorption > 99.999% (at ambient concentrations) Particle transmission > 90% for 80 nm < DP < 1000 nm |
Particle Size Range | Constant response factor: 120 nm < DP < 1000 nm (+/- 20%) Reduced response factor: 60 nm < DP < 120 nm |
Thermal Desorption | Efficient soft evaporation (< 150°C, < 10 mbar) Residence time < 1 s Thermal degradation not reported |
Volatility range: | -5 > log C0 > 6 ((E)LVOC – IVOC) reduced evaporation for log C0 < -5 (ELVOC) |
Response times: | Levoglucosan < 10 s (log C0 ~ 1) Vanillic Acid < 15 s (log C0 ~ 1) Azelaic Acid < 20 s (log C0 ~ 0.5) Tartaric Acid < 40 s (log C0 ~ -1) |
Combined Gas and Particle Detection | Switching times < 60 s Automated filter blanks |
Power consumption: | < 300 W (excl. external pump) |
Dimensions (wxhxd) | 240mm x 200mm x 800mm |
Weight | 15.85 kg (excl. external pump) |