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溴甲酚绿光度法测定曲美胶囊中的盐酸西布曲明 被引量:1

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摘要 在pH7.5的NaH2PO4-Na2HPO4缓冲介质中,盐酸西布曲明(SH)与溴甲酚绿(BCG)染料反应,形成离子缔合物,溶液颜色发生明显改变,最大吸收波长在614nm处,从而建立测定SH的光度法。在最大吸收波长处,SH的浓度在0~2.31×10^-5mol/L范围内遵守比尔定律,表现摩尔吸光系数ε614为1.15×10^4L/(mol·cm),检出限为1.46×10^-6mol/L。方法具有较高的灵敏度和良好的选择性,用于曲美胶囊中盐酸西布曲明的测定,结果满意。
作者 秦宗会 谭蓉
出处 《工业卫生与职业病》 CAS CSCD 北大核心 2007年第6期371-373,共3页 Industrial Health and Occupational Diseases
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