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基于肾上腺素在高碘酸钾-鲁米诺碱性体系中的后化学发光反应,结合流动注射技术,建立了测定肾上腺素的流动注射-化学发光(FI(CL)方法.该方法简单、快速、灵敏,线性范围为3.0×10-5～1.2×10-4 g/L(r=0.996 9),检出限为3.0×10-7 g/L(3σ).对5.0×10-5 g/L的肾上腺素标准溶液进行11次平行测定,相对标准偏差为2.0%.将其应用于肾上腺素注射液中肾上腺素含量的测定,结果令人满意.同时,还初步探讨了该化学发光反应的发光机制.
Based on the post-chemiluminescence reaction of epinephrine in potassium periodate-luminol alkaline system, a flow injection-chemiluminescence (FI (CL) method for the determination of epinephrine was established by combining with flow injection technique.The method is simple and rapid , The linear range was 3.0 × 10-5 ~ 1.2 × 10-4 g / L (r = 0.996 9), the detection limit was 3.0 × 10-7 g / L (3σ) / L of epinephrine standard solution 11 parallel determination, the relative standard deviation of 2.0% .Applied to adrenaline injection epinephrine content determination, the results are satisfactory.At the same time, the preliminary study of the chemiluminescence reaction The light-emitting mechanism.