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小馬俊杰木蟲 (著名寫手)
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[求助]
關于氨氣TPD表征的問題 很急 希望大家賜教 謝謝 已有1人參與
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| 審稿人有個問題問The authors need to report the degassing temperature on NH3-TPD,Please ensure that the TPD signals above 400 °C did not contain impurities, especially moisture. 我回答了A sample of 100 mg was pretreated in He (30 mL/min) at 200 °C for 1 h, and the sample was treated with NH3 (30 mL/min) for 0.5 h after cooling down to 100 °C. 但是他又回復Unless the authors guarantee complete removal of H2O from the catalyst, TCD signals above 400 oC should not be used as a result. 求教各位,應該怎么回復。催化劑一開始200度下預處理,就沒有水分了吧? |

銅蟲 (初入文壇)
新蟲 (正式寫手)
新蟲 (知名作家)
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