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  • Industrial Chemistry  (2)
  • 82.80 Bi  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Laser desorption jet-cooling of organic molecules (1990)
    Springer
    Applied physics 51 (1990), S. 395-403 
    Details
    ISSN: 1432-0649
    Keywords: 35.80 s ; 82.80 Bi ; 47.45 Nd
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Laser desorption followed by jet-cooling allows wavelength-selective as well as mass-selective detection of molecules desorbed from a surface without fragmentation. The cooling characteristics and detection sensitivity of laser desorption jet-cooling of organic molecules are investigated. From the rotational contour of the electronic origin of the S 1 ← S 0 transition of laser-desorbed anthracene, rotational cooling to 5–10 K is demonstrated. Vibrational cooling is studied for laser-desorbed diphenylamine, a molecule with low-energy vibrations, and a vibrational temperature below 15 K is found. The absolute detection sensitivity is determined for the perylene molecule. Using two-color (1+1) resonance enhanced multi-photon ionization (with a measured ionization efficiency of 0.25) for detection, it is found that one ion is produced in the detection region for every 2×105 perylene molecules evaporated from the desorption laser spot. A two-color (1+1) REMPI spectrum (400 points) of perylene is recorded using only 30 picogram of material.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00329101
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Apparate und Maschinen für die Hochdrucktechnik (1970)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 42 (1970), S. 1463-1466 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330422320
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Apparate und Maschinen für die Hochdrucktechnik (1967)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 39 (1967), S. 1345-1351 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Industrial Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330392312
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    Paper (German National Licenses)
    Fulltext
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