Determination of Sitagliptin metformin by Ultisil® ODS-3
Column Ultisil® ODS-3(4.6×150mm,3.5μm) Mobile Phase Mobile phase A: Take 3.9g of sodium dihydrogen phosphate dihydrate, add it to 1000mL of water, mix well, and adjust the pH to 2.5 with phosphoric ac…