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本文介绍季铵类药物通过有机溶剂(氯仿,二氯乙烷)提取后,可与碘形成具有强吸收的络合离子,R_4N~+X~-+I_2→R_4N~++[I_2·X]~-进行分光光度测定。不同的卤化物在280～365毫微米波长范围内显示各种最大吸收峰与克分子消光系数。吸收值与浓度之间呈线性关
In this paper, quaternary ammonium drugs can be extracted with organic solvents (chloroform, dichloroethane) to form strong complex ions with iodine ions, R_4N ~ + X ~ - + I_2 → R_4N ~ ++ [I_2 · X] ~ - Spectrophotometric determination. The different halides show various maximum absorption peaks and molar extinction coefficients in the 280 to 365 nm wavelength range. Absorbance and concentration of a linear relationship between