Sequential injection spectrophotometric determination of analgine in pharmaceutical formulations using 18-molybdo-2-phosphate heteropoly anion as chromogenic reagent
M. Al-Shwaiyat, A. Vishnikin, L. P. Tsiganok, Ekaterina V. Kabashnaya, S. A. Khmelovskaya, V. Andruch, Y. Bazel, H. Sklenářová, P. Solich
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引用次数: 4
Abstract
Simple, sensitive and selective sequential injection analysis (SIA) method for the analgine determination has been developed on the basis of fast reaction between analgine and 18-molybdo-2-phosphate heteropoly anion (18-MPA). Under found optimal conditions (0.01 M HCl, C(18-MPA) = 2 mmol/L) linear calibration curve was obtained over the range from 0.5 to 80 mg/L of analgine, and detection limit (S/N = 3) was 0.2 mg/L. The proposed SIA method has high sample throughput of 45 h -1 and small reagent consumption (0.08 mL). The procedure was successfully applied to the analysis of pharmaceuticals.
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