図4. フォーティス・バイオC4カラムとフォーティス・バイオC18カラムの比較

| Samples: | 1. Gly-Tyr (238.2MW) 2. Val-Tyr-Val (379.5MW) 3. Met-Enkephalin (573.7MW) 4. Leu-Enkephalin (555.6MW) 5. Angiotensin II (1046.2mW) |
| Columns: |
FortisBIO C4, 300Å, 5µm, 50 x 2.1mm FortisBIO C18, 300Å, 5µm, 50 x 2.1mm |
| Eluent A: |
0.1% TFA in water |
| Eluent B: |
0.1% TFA in ACN |
| Flow rate: |
0.4mL/min |
| Gradient: |
10-40% B in 10min |
| Detector: | UV 220nm |