A gas phase analysis technique applied to in-situ studies of gas-solid interactions
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作者:
Anghel, Clara
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Royal Inst Technol, Dept Mat Sci & Engn, Div Corros Sci, S-10044 Stockholm, SwedenRoyal Inst Technol, Dept Mat Sci & Engn, Div Corros Sci, S-10044 Stockholm, Sweden
Anghel, Clara
[1
]
Dong, Qian
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Royal Inst Technol, Dept Mat Sci & Engn, Div Corros Sci, S-10044 Stockholm, SwedenRoyal Inst Technol, Dept Mat Sci & Engn, Div Corros Sci, S-10044 Stockholm, Sweden
Dong, Qian
[1
]
机构:
[1] Royal Inst Technol, Dept Mat Sci & Engn, Div Corros Sci, S-10044 Stockholm, Sweden
An ultrahigh vacuum technique using mass spectrometry for in-situ investigations of gas-solid interactions is described in this paper. Examples of chemical reactions (oxidation, hydration) between solids and gas mixtures, dissociation of gases on solid surfaces, outgassing of solid materials and permeation of gases through membranes are discussed where the experimental arrangement is explained in detail. This Gas Phase Analysis (GPA) technique can be used at temperatures from room temperature to 1200 degrees C and at pressures up to 1 atm. Aspects related to sample preparation, isotopic gas mixture selection, data acquisition, calibration and interpretation of the experimental data are also addressed.