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[求助]
如何實現(xiàn)乙醇/氦氣的混合氣,因為乙醇為液體,需要單獨給乙醇加熱形成蒸汽嗎? 已有1人參與
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如題 Some article says ethanol adsorption was carried out for 30 min using a 2.0% ethanol/He gas mixture (1.0 mL/s), as we know, ethanol is liquid, how to realize the gas mixture of ethanol and helium, and guarantee the volume fraction of 2%. Is the gas mixture in the cylinder together or with the help of flowmeter? many thanks for help. |
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