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Photochemical Behavior of Lysozyme-4-(2-pyridylazo)-resorcinol Polymolecular Complex and Its Analytical Applications

✍ Scribed by Qiaoli Yue; Zhenghua Song; Faxin Dong; Yanhong Liu; Xiaodong Shao

Book ID
106412426
Publisher
Springer
Year
2007
Tongue
English
Weight
233 KB
Volume
17
Category
Article
ISSN
1053-0509

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## Abstract Quantitation of iron oxide (Fe~2~O~3~) in pharmaceutical formulations using electrospray ionization mass spectrometry (ESI‐MS) following iron complexation with 4‐(2‐pyridylazo)resorcinol (PAR) was evaluated. Complexation of Fe^III^ with PAR was found to produce an intense mass spectral