Chemistry Standards

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Calibrated Device Gravimetric High-Pressure Cylinder Gas Mixture Supply and Certification System
Range  CO in N2:(0.001 ~ 100) mmol/mol
CO2 in N2:(0.1 ~ 160) mmol/mol
CH4 in N2:(0.1 ~ 100) mmol/mol
C3H8 in N2:(0.1 ~ 50) mmol/mol
SF6 in N2:(10 ~ 1000) μmol/mol
CF4 in N2:(100 ~ 3000) μmol/mol
NO in N2:(50 ~ 2000) μmol/mol
SO2 in N2:(50 ~ 2000) μmol/mol
O2 in N2:(1 ~ 10) μmol/mol、(1 ~ 14) mmol/mol
CH4 in Air:(1 ~ 20) mmol/mol 
Uncertainty
CO in N2:0.1 % ~ 2.0 %
CO2 in N2:0.1 % ~ 1.5 %
CH4 in N2:0.1 % ~ 1.0 %
C3H8 in N2:0.2 % ~ 1.0 %
SF6 in N2:0.2 % ~ 1.5 %
CF4 in N2:0.1 % ~ 1.0 %
NO in N2:0.5 % ~ 2.0 %
SO2 in N2:0.5 % ~ 1.5 %
O2 in N2:(1 ~ 10) μmol/mol:1.5 % ~ 3.0 %, (1 ~ 14) mmol/mol:0.2 % ~ 1.5 %
CH4 in Air:0.1 % ~ 0.5 %
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