Chemistry Standards

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Calibrated Device  (1) Gas Concentration Dilution Device (CO/N2、CO2/N2 、CH4/Air)
(2) Gas Concentration Analysis Equipment(C2H5OH in Air)  
Range  (1)CO in N2: 1 μmol/mol to 100 μmol/mol
CO2 in N2: 50 μmol/mol to 5000 μmol/mol
CH4 in Air: 0.1 cmol/mol to 2 cmol/mol
(2)C2H5OH in Air: 90 μmol/mol to 1200 μmol/mol 
Uncertainty  (1) 1.2 % to 3.0 %
(2) 1.3 % to 2.0 % 
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