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CF3Br, 260910 Impurity background correction: agust,www,...cf3br/PPT-260910ak

CF3Br, 260910 Impurity background correction: agust,www,...cf3br/PPT-260910ak.ppt PC,LHj,...CF3Br/PXP-260910ak.pxp agust,heima,. I(M+). Data: 1) cf3br Data “20450-20480”, wave130 /cf3br (81903.2 cm-1 = 2hv)

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CF3Br, 260910 Impurity background correction: agust,www,...cf3br/PPT-260910ak

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  1. CF3Br, 260910 Impurity background correction: agust,www,...cf3br/PPT-260910ak.ppt PC,LHj,...CF3Br/PXP-260910ak.pxpagust,heima,...

  2. I(M+) Data: 1) cf3br Data “20450-20480”, wave130 /cf3br (81903.2 cm-1 = 2hv) 2) Impurity data: “Impurity background.txt” (J.Long e-mail, 240910) ..agust,heima,..CF3Br/Sept10/Impurity backgound.txt; wave0/impc (???cm-1): original data 3) diff = cf3br-impc NB!: original data points were shifted(y-offset) -2500pnts needed to be cut from wave0/impc in order to make peaks Match. CF3+ iBr+ Mw agust, heima, ...PC,LHj,...CF3Br/PXP-260910ak.pxp; CF3Br/PXP-260910ak.pxp (IGOR file), Layout: 0, Graph: 5

  3. Main mass signals which stick out after subtraction of “impurity background” are • those for iBr+ and CF3+ • N2+ impurity signal fluctuates a lot. Therefore the negative result of the N2+ signal • after subtraction should be ignored. • The small C+ and C2+ signals sticking out after subtraction most probably is not real, • i.e. These signal most probably are due to impurti bakcground. As seen on next slide the • difference signal are tiny compared to the absolut signals strengths:

  4. Data: 1) cf3br Data “20450-20480”, wave130 /cf3br (81903.2 cm-1 = 2hv) 2) Impurity data: “Impurity background.txt” (J.Long e-mail, 240910) ..agust,heima,..CF3Br/Sept10/Impurity backgound.txt; wave0/impc (???cm-1): original data 3) diff = cf3br-impc NB!: original data points were shifted(y-offset) -2500pnts neede to be cut from wave0/impc in order to make peaks match I(M+) Mw agust, heima, ...PC,LHj,...CF3Br/PXP-260910ak.pxp; CF3Br/PXP-260910ak.pxp (IGOR file), Layout: 0, Graph: 5

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