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
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 338 (1990), S. 520-525 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Domoic acid was recognized recently [1, 2] to be a marine neurotoxin associated with shellfish harvested or cultured for use as human food. Evidence about the occurrence of domoic acid and its importance to shellfish industries is reviewed. The preparation and certification of two reference materials for the determination of domoic acid, an instrument calibration solution (DACS-1, released by the Marine Analytical Chemistry Standards Program [MACSP] in May, 1989), and a tissue reference material (MUS-1, homogenized soft tissues of Mytilus edulis, released by the MACSP in August, 1989) are described. We believe these are the first certified standards or reference materials to be available for the determination of shellfish toxins, a problem of increasing importance to aquaculturists and the seafood industry, as well as to agencies concerned with the safety of food. The tissue homogenate preparation techniques we have developed and used may be of general interest for the preparation of other tissue reference materials for the determination of other organic compounds, since the sealed, fluid homogenate samples seem acceptably stable without being continuously frozen or refrigerated.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 10 (1975), S. 215-221 
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: A new fragmentation process is reported for two benzylic ß-disulfones. The proposed fragmentation Scheme is analogous to the Ramberg-Bäcklund rearrangement of α-halosulfones in aqueous base.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 9 (1974), S. 1156-1157 
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The mass spectra of alkanesulfonyl chlorides can be rationalized by loss of a chlorine atom from the molecular ion, followed by loss of SO2 with concomitant alkyl cation formation. The mass spectra of two α-mesyl sulfonyl chlorides exhibit a new fragmentation process in which the chlorine atom initially attached to sulfur migrates to the α-carbon atom with loss of SO2, thereby resulting in retention of chlorine in the alkyl cation.
    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...