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  • 1
    Electronic Resource
    Electronic Resource
    Polarographische Bestimmung von Guanabenzacetat (Wytensin) (1987)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 326 (1987), S. 446-448 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Guanabenzacetat 1 wird an der Quecksilbertropfelektrode reduziert und kann auch in Gegenwart der Hydrolyseprodukte 2,6-Dichlorbenzaldehyd 2 und 2,6-Dichlorbenzaldehydsemicarbazon 3 polarographisch quantitativ bestimmt werden. Die Gehaltsbestimmung von 1 in Wytensin-Tabletten wird beschrieben (relative Standardabweichung 2,05%).
    Notes: Summary Guanabenz acetate 1 is reduced at the dropping mercury electrode and can be determined also in presence of its hydrolysis products 2,6-dichlorobenzaldehyde 2 and 2,6-dichlorobenzaldehydesemicarbazone 3. The assay of guanabenz acetate in Wytensin tablets is described (relative standard deviation 2.05%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00492795
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Polarographic investigations of benzylideneaminoguanidine (1988)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 330 (1988), S. 56-58 
    Details
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary 2-(Phenylmethylene)-hydrazinecarboximidamide (I) is reduced at the dropping mercury electrode in a pH-dependent wave, the diffusion-controlled limiting current is markedly influenced by surface active substances due to the adsorption of I. The pKa1-value of I (photometrically determined) is 9.7. In acid solutions reduction occurs with consumption of 4 electrons per molecule, forming guanidine and benzylamine; thereby fission of the N-N-bond takes place at first, followed by reduction of the C-N(2)-double-bond. In alkaline solutions 2-(phenylmethyl)-hydrazine-carboximidamide (II) is formed by consumption of 2 electrons per molecule; II is not reducible in acid solution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00494536
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    Paper (German National Licenses)
    Fulltext
  • 3
    Book
    Book
    Why programs fail / (2009)
    Amsterdam [u.a.] :Elsevier [u.a.],
    Details
    Title: Why programs fail /
    Author: Zeller, Andreas
    Edition: 2. ed.
    Publisher: Amsterdam [u.a.] :Elsevier [u.a.],
    Year of publication: 2009
    Pages: XXIII, 400 S. : , graph. Darst.
    ISBN: 978-0-12-374515-6 , 978-3-89864-620-8
    Type of Medium: Book
    Language: English
    URL: lizenzfrei
    URL: http://deposit.d-nb.de/cgi-bin/dokserv?id=3281178&prov=M&dok_var=1&dok_ext=htm
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    Zuse Institute Berlin get availability status
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