Redissolved solution(improve the speed to 1,5ml/min)

ColumnWelch Ultisil® LP-C18 4.6×150mm,5μm (P/N: 00208-31041)
Mobile PhaseDissolve 0.75g copper sulfate, 0.17g L-phenylalanine and 2.3g ammonium dihydrogen phosphate in 1000ml water Adjust pH to 4.0±0.05 with triethylamine
DetectorUV 260 nm
Flow Rate0.5 ml/min
Injection Volume10µl
NotesUse mobile phase(keep speed 0.2ml/min overnight)to balance column

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