(见色谱法<621>,系统适用性) 模式:液相 检测器:紫外237nm 色谱柱:L1(4.6mm×250mm,5μm) 柱温:30℃ 流速:1.0ml/min 进样量:10μl 运行时间:1.5倍唑尼沙胺保留时间 系统适用性 样品:对照品溶液 适用性要求 拖尾因子:不得过2.0 相对标准偏差:不得过2.0% 分析 样品:对照品溶液和供试品溶液 计算唑尼沙...
色谱系统 (见色谱法<621>,系统适用性) 模式:液相 检测器:紫外254nm 色谱柱:3.9mm×15cm,4μm,填料L1 流速:1.5ml/min 进样量:20μl 运行时间:不少于3倍唑吡坦保留时间 系统适用性 样品:系统适用性溶液和对照品溶液 [注:相对保留时间见表1] 系统适用性要求 分离度:系统适用性溶液中,唑吡坦有关物质A和...
Dilute with Solution B to volume.Chromatographic system(See Chromatography á621ñ, System Suitabilit y .)Mode: LCDetector: UV 280 nmColumn: 4-mm × 25-cm; 5-µm packing L7Column temperature: 30°Flow rate: 1.0 mL/minInjection volume: 20 µLSystem suitabilitySample: Standard solution...
10.0 mL of a 100-g/L solution of sulfuric acid in water. Heat the suspension for5 min on a boiling water bath. Immediately dilute 1.0 mLof the resulting solution with Diluen t to 50.0 mL.[N OTE— Neohesperidin dihydrochalcone relatedcompound F and neohesperidin dihydrochalcone relatedcompound ...
USP Hesperidin RS, USP Neohesperidin RS,USP Diosmin RS, and USP Didymin RS in dimethyl sulfoxideStandard solution: 1.0 mg/mL of USP Hesperidin RS indimethyl sulfoxideSample solution: 1.0 mg/mL of Hesperidin in dimethylsulfoxideChromatographic system(See Chromatography á621ñ, System Suitabilit y...
(See Chromatography <621>, System Suitability.) Mode:LC Detector:UV 240 nm Column:4.6-mm × 25-cm; 5-μm packing L1 Flow rate:1.5 mL/min Injection size:20 μL System suitability Sample:Standard solution Suitability requirements Column efficiency:NLT 5000 theoretical plates ...