Blank solvent

ColumnUltisil XB-C18 6.0×250mm, 5μm, 300A (P/N: 00201-33043)
Mobile PhaseBuffer(Accurately weigh 28.4006g anhydrous sodium sulfate into a 1000ml beaker, dissolve it with 800ml high-purity water, add 2.7ml phosphoric acid, and adjust pH to 2.3 with ethanolamine ): acetonitrile =74:26
Detection214 nm
Flow Rate1.0 ml/min
Injection Volume20 µl

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