1Determination of arginine in cefotaxime for injection

Method: CHP2010 Part II (chromatographic column requirement: dihydroxypropyl bonded silica gel column)

Chromatography column: LiChrosphere Dior 5um 250 * 4.0mm (item number: 1.50836.0001, card sleeve 1.51486.0001 required)

Mobile phase: Dissolve 1.15g of ammonium dihydrogen phosphate in 1000ml of volumetric solution (adjust pH to 2.0 with phosphoric acid) - acetonitrile (25:75)

Flow rate: 1ml/min

Injection volume: 20ul

Detection wavelength: 206nm

Column temperature: 35 ℃

Reference map:

2CyclosporineHPLCanalyze

Method: According to relevant standards such as EP and CHP, we would like to express our gratitude to the provincial drug testing institute for providing

Column: LiChrospher RP-18e 5um 250 * 4.0mm

(Column information: Order 1, item number: 1.50838.0001, card sleeve 1.51486.0001 is required;);

Order 2, item number: 1.01886.0008, no card sleeve required. ）

Mobile phase: A-H2O (0.05MH3PO4) B-THF Gradient: A: B=55:45

Detection: 220nm

Column temperature: 75 ℃

Flow rate: 1.2mL/min

Injection volume: 10ul

3Polycyclic aromatic hydrocarbonsHPLCpillar

Application: GB/T 22509-2008 Determination of benzo (a) pyrene in animal and vegetable oils and fats Reverse phase liquid chromatography method

Chromatographic column: National standard column, Lichrospher PAH 5um 250 * 4.0mm (item number: 1.50149.0001, card sleeve 1.51486.0001 required)

4Soybean phospholipidsHPLCanalyze

Application: GB/T 21493-2008 Determination of Phosphatidylcholine, Phosphatidylethanolamine, and Phosphatidylinositol in Soybean Phospholipids

Chromatography column: National standard column, Lichrospher Si 60 5um 250 * 4.0mm (item number: 1.50830.0001, card sleeve 1.51486.0001 is required)