期刊
ANALYTICAL LETTERS
卷 40, 期 16-18, 页码 3107-3118出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/00032710701646131
关键词
melamine; matrix-assisted laser desorption ionization/time-of-flight mass spectrometry; ammelide; ammeline; cyanuric acid
Melamine, cyanuric acid, two compounds connected to tainted pet food, and related analogs have been analyzed using matrix-assisted laser desorption ionization/time-of-flight mass spectrometry. (M+H)(+) ions were observed for ammelide and ammeline under positive ion conditions with sinapinic acid as the matrix. With alpha-cyano-4-hydroxy-cinnamic acid as the matrix, a matrix-melamine complex was observed; however, no complex was observed with sinapinic acid as the matrix. (M-H)(-) was observed for cyanuric acid with sinapinic acid as the matrix.
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