Library

feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • Analyse von Olefinen  (1)
  • EEG changes  (1)
  • 1
    ISSN: 1432-2072
    Keywords: Aminophylline ; Diazepam ; EEG changes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract General anesthesia was induced in eight subjects by the slow IV injection of 60 mg diazepam. During the anesthetic effect, the EEG was characterized by 3–5 Hz high voltage activity. Immediate recovery of consciousness and reversal of the EEG pattern to fast low voltage activity was obtained after the IV injection of 60 mg aminophylline. On the other hand, three diazepam-treated subjects who received IV saline instead of aminophylline recovered from anesthesia 73–120 min after saline.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 264 (1973), S. 297-301 
    ISSN: 1618-2650
    Keywords: Analyse von Olefinen ; Chromatographie, Gas/Ozonolyse ; Best. der Lage der Doppelbindung
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary Olefinic compounds are reacted with ozone in CCl4/CH3OH solution, yielding specific cleavage products, from which the original position of the double bond can be deduced. By reduction with dimethylsulfide the resulting methoxyhydroperoxides are converted into aldehydes and ketones, which are determined by temperature-programmed gas chromatography on silicone columns. The lower compounds (C1-C10) are analyzed as dinitrophenylhydrazones, the less volatile higher ones as such. 100% yields were obtained for monoolefins of different structures and chain lengths (up to C30).
    Notes: Zusammenfassung Die Olefine werden in CCl4/CH3OH-Lösung mit Ozon behandelt, wodurch spezifische Spaltprodukte entstehen, aus denen man die ursprüngliche Lage der Doppelbindung ableiten kann. Die entstandenen Methoxyhydroperoxide werden durch Reduktion mit Dimethylsulfid zu Aldehyden und Ketonen umgesetzt, die durch temperaturprogrammierte Gas-Chromatographie an Siliconsäulen analysiert werden. Die niedrigeren (C1-C10) Verbindungen werden als Dinitrophenylhydrazone bestimmt, die weniger flüchtigen höheren als solche. Für aliphatische Monoolefine verschiedener Struktur und Kettenlänge (bis C30) wurden 100%ige Ausbeuten erhalten.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...