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Evaluation of bilirubin derivatives for mass spectral analysis (1974)

Salmon, Manuel ; Fenselau, Catherine

Chichester : Wiley-Blackwell

Biological Mass Spectrometry 1 (1974), S. 219-222

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ISSN: 1052-9306

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Twelve derivatives of bilirubin were evaluated from the point of view of providing intense molecular ion peaks on electron impact and unambiguous molecular weights. The tetrakis-(trimethylsilyl) derivative of bilirubin was judged to be the most suitable because its molecular ion carries 22% of the total ion current and is the base peak in the spectrum. Molecular ions were found to carry 10% of the total ion current in the spectrum of the trimethylsilylated methyl ester of the phenylazo derivative of bilirubin. Fragmentation patterns of these two compounds were studied using deuterium labeling.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/bms.1200010404

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