化肥厂用标准气 | ||
用途 | 组分及常用浓度范围 | 平衡气 |
校准仪器仪表 | CO 1ppm---50% | N2 |
H2 5%---80% | N2 | |
CO2 1ppm---50% | N2 | |
O2 1%---50% | N2 | |
CH4 1%---50% | N2 | |
CO 10ppm,CO2 10ppm,CH4 10ppm | H2 | |
H2 50ppm,O2 0.8%,CO 1%,CH4 1% | CO2 | |
O2 1%,N2 21%,CO 11%,CO2 8%,CH4 0.3% | H2 | |
CH3OH 300ppm,CO 0.4%,CH4 0.4%,N2 0.2%,Ar 0.2%,CO2 30% | H2 |