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Cobamamide in Sodium Nitroprusside for Injection on Xtimate C18

Test Sample

1.1 part of the scale

Column Xtimate® C18, 4.6×250 mm, 5 μm (P/N: 00101-21043)
Mobile Phase 0.05mol/L potassium dihydrogen phosphate solution: acetonitrile = 85:15
Detection 260 nm
Temperature 35℃
Flow Rate 1.0 mL/min
Injection Volume 10 µL