Determination of the drug naphazoline in pharmaceutical preparations by heavy atom-induced room-temperature phosphorescence

被引：24
|
作者：
Gutiérrez, AF [1 ]
Carretero, AS [1 ]
Díaz, BC [1 ]
Blanco, CC [1 ]
机构：
[1] Univ Granada, Fac Sci, Dept Analyt Chem, E-18071 Granada, Spain
来源：
APPLIED SPECTROSCOPY | 1999年 / 53卷 / 06期
关键词：
pharmaceutical analysis; naphazoline; heavy atom induced (HAI); room-temperature phosphorescence (RTP);
D O I：
10.1366/0003702991947199
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A simple, selective, and sensitive heavy atom-induced room-temperature phosphorimetric method (HAI-RTP) is described for the determination of naphazoline (NPZ) in pharmaceutical preparations. The phosphorescence signals are a consequence of intermolecular protection when analytes are, exclusively, in the presence of a heavy atom salt and sodium sulfite as an oxygen scavenger to minimize RTP quenching. This variable selection constitutes the basis of the HAI-RTP method for the determination of naphazoline (detection limit 43.5 ng/mL; 2.39% relative standard deviation at 500 ng/mL), The method has been applied to the analysis of pharmaceutical preparations.
引用
收藏
页码：741 / 744
页数：4
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