▷Specification

◼ 측정 항목 : Gas , Secondary Ogranic Aerosols

◼ Mass Range : 0 - 1000 Th

◼ Sensitivity : Acetic acid (gas) : 80 cps/ppmv

◼ Citric acid (gas) : 120 cps/ppmv

◼ 검출 한계 : Gas : < 10 ppt for organic acids

  Aerosol : ~ 1 ng-m-3

◼ Linearity Range : over 3 orders of magnitude in concentration

◼ Inlet system heating ( 300℃)

◼ Sample Flow Rate : IMR : 2 lpm

FIGAERO : 2 lpm gas, 5 - 15 lpm aerosol

Atm Pressure Drift Tube : 10 lpm

EESI : 1 lpm

▷제품특징

◼ FIGAERO inlet으로 입자상, 가스상 화합물의 semi-continuous detection 가능

◼ 2 quadrupoles (SSQ, BSQ)로 High Sensitivity 분석

◼ Aerosol의 화학 성분 측정 가능 (< 1 Hz)

◼ Po-210 or X-ray ionizer와 호환 가능

◼ Acetic anhydride는 Po-210에 의해 방사능종류인 alpha particles 로 변환   

◼ Sampling cycles between two modes

(i) Aerosol collection 중의 gas-phase 측정 

(ii) thermal desorption and mass spectral analysis of collected aerosol   

◼ Thermal desorption ramp를 통한 blank sample 사이의 Automated switching

◼ Selective detection based on the employed reagent ion chemistry - Acetate,   Iodide, Nitrate, and H3O(H2O)n.

◼ 실험실, 현장측정에 적용, 운송 편리

▷제품용도

(응용분야)

대기환경 모니터링, Secondary Organic Aerosols