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
摘要
建立了一种简便、灵敏、选择性的序列注射分析(SIA)方法，用于测定安甘氨酸与18-钼-2-磷酸杂多阴离子(18-MPA)之间的快速反应。在最佳条件(0.01 M HCl, C(18 mpa) = 2 mmol/L)下，在0.5 ~ 80 mg/L范围内获得线性校准曲线，检出限(S/N = 3)为0.2 mg/L。所提出的SIA方法具有45 h -1的高样品通量和0.08 mL的小试剂消耗。该方法已成功地应用于药物分析。
Sequential injection spectrophotometric determination of analgine in pharmaceutical formulations using 18-molybdo-2-phosphate heteropoly anion as chromogenic reagent
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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