产品介绍
地震监测用标准气体(部分特例)
用途 |
组分名称及常用浓度范围 |
平衡气 |
地震监测 |
He 0.1%, Ar 1.0%, H2 0.1%, CO2 25%, CH4 1.0% |
N2 |
He 1%, Ar 1.5%, H2 0.5%, CO 2.5% |
N2 |
|
CO 5%, CO2 15%, CH4 5%, He 0.1%, H2 0.1%, Ar 0.1% |
N2 |
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