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Sensitization of Tetradecy Benzyl Dimethyl Ammonium Chloride for the Color Development Reaction Between Aminophylline and Sodium 1,2-Naphthoquinone-4-Sulfonate and the Determination of Aminophylline in Pharmaceutical samples
Author(s): 
Pages: 121-123
Year: Issue:  1
Journal: Journal of Henan Normal University(Natural Science)

Keyword:  tetradecyl benzyl dimethyl ammonium chlorideSodium 12-naphthoquine-4-sulfonateAminophylline;
Abstract: 氨茶碱与1,2-萘醌-4-磺酸钠和十四烷基二甲基苄基氯化铵在pH=13.0的缓冲溶液中反应生成组成比为1∶2∶2红褐色产物(λ_(max)=455 nm),表观摩尔吸光系数ε=4.97×10~3 L·mol~(-1)·cm~(-1).氨茶碱的浓度在0.73~55 μg·mL~(-1) 范围内与吸光度(A)呈现良好线性关系,线性回归方程为A=0.258 41+0.049 7C(×10~(-5) mo...
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