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在酸性条件下,KMnO4与甲醛能够产生微弱的化学发光,而富马酸依美斯汀的存在能够大大增强该化学发光强度;结合流动注射技术,建立了测定富马酸依美斯汀的流动注射-化学发光新方法。该方法的线性范围分别为3.0×10-8～2.0×10-7g/mL,2.0×10-7～1.0×10-6g/mL和1.0×10-6～8.0×10-6g/mL。检出限为1.0×10-8g/mL,对2.0×10-6g/mL富马酸依美斯汀滴眼液平行测定11次,其相对标准偏差为1.3%。该方法已成功应用于滴眼液中富马酸依美斯汀的含量测定。
Under acidic conditions, KMnO4 and formaldehyde can produce weak chemiluminescence, and the presence of emamectin fumarate can greatly enhance the chemiluminescence intensity; combined with flow injection technology, the establishment of a determination of the flow of emamectin fumarate Injection - a new chemiluminescence method. The linear range of this method was 3.0 × 10 -8 -2.0 × 10 -7 g / mL, 2.0 × 10 -7 -1.0 × 10 -6 g / mL and 1.0 × 10 -6 -8.0 × 10 -6 g / mL, respectively. The detection limit was 1.0 × 10-8g / mL, and the relative standard deviation was 1.3% for 11 × 10-6g / mL emamectin fumarate eye drops. The method has been successfully applied to the determination of emamectin fumarate in eye drops.