Direct multi-elemental imaging of freshly impregnated catalyst by Laser-Induced Breakdown Spectroscopy
Journal of Catalysis(2021)
摘要
•Alumina catalyst supports are impregnated by nickel nitrate and citric acid.•Laser-induced breakdown spectroscopy images the supports during maturation.•Nickel and carbon concentration gradients are observed.•Some trace impurities of the supports are displaced by nickel.
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关键词
LIBS imaging,Alumina,Catalyst,Impregnation,Additive
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