Features
Used for reversed phase systems
Able to separate a wide range of compounds by connecting several OA-7000 series columns
（especially for aromatic compounds）
Applicable for LC-MS ⇒ Ammonium
acetate/methanol solution
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Product specification
| Product name | SUMICHIRAL OA-7000 |
SUMICHIRAL OA-7700 |
|---|---|---|
| Chiral selectors | β-Cyclodextrin | Acetyl-β-cyclodextrin |
| Support | High purity silica gel | |
| Particle size | 5μm | |
| Spacer | Sugar | |
| Recommended mobile phase | Aqueous mixture of phosphate buffer solution (pH2-3.5) and acetonitrile or methanol |
Aqueous mixture of phosphate buffer solution (pH3-7), acetate buffer solution and acetonitrile or methanol |
| Target compounds | Flavonoid derivatives, acidic/neutral compounds | Amines |
Product list
| Product name | Internal diameter (mm) | Length (mm) | Product code |
|---|---|---|---|
| SUMICHIRAL OA-7000 | 2 | 50 | C-7001-2005W |
| 150 | C-7001-2015W | ||
| 250 | C-7001-2025W | ||
| 4 | 10 | C-7001-4001W | |
| 4.6 | 150 | C-7001-4615W | |
| 250 | C-7001-4625W | ||
| 8 | 250 | C-7001-8025W | |
| 10 | 250 | C-700110025W | |
| 20 | 250 | C-700120025W | |
| SUMICHIRAL OA-7700 | 2 | 50 | C-7701-2005W |
| 150 | C-7701-2015W | ||
| 250 | C-7701-2025W | ||
| 4 | 10 | C-7701-4001W | |
| 4.6 | 150 | C-7701-4615W | |
| 250 | C-7701-4625W | ||
| 8 | 250 | C-7701-8025W | |
| 10 | 250 | C-770110025W | |
| 20 | 250 | C-770120025W |
- ※Note: Those shown in red are standard size for analysis.
Internal diameter of 4 mm and length of 10 mm is a guard column.
SUMIPAX Filter can be used in place of a guard column.
Applications
Comparison of peak resolution between cyclodextrin-column and conventional column
（Left） SUMICHIRAL OA-7000
（Right） Conventional stationary phase with the alkyl chain as spacer 40% acetonitrile in 20 mmol/L phosphate buffer (pH 2.0)
Isomers of disubstituted benzenes
Peaks:1 = HPA,2 = o-MHPA,3 = m-MHPA,4 = p-MHPA
SUMICHIRAL OA-7000
methanol / water / acetic acid (70 : 30 : 1.5)
Isomers of disubstituted benzenes
Peaks:1 = o-cresol,2 = m-cresol, 3 = p-cresol
SUMICHIRAL OA-7000
10% acetonitrile in 20 mmol/L sodium phosphate buffer (pH 2.0)
SUMICHIRAL OA-7700
SUMICHIRAL OA-7700(5μm, 4.6mm i.d.×250mm)
40% methanol in 20 mmol/L pottasium phosphate buffer(pH 3.0)
UV 210nm ｜ 0.5 mL / min
SUMICHIRAL OA-7700
SUMICHIRAL OA-7700(5μm, 4.6mm i.d.×250mm)
20% methanol in 20 mmol/L pottasium phosphate buffer(pH 3.0)
UV 254 nm ｜ 0.5 mL / min
Contact Us for HPLC Columns
Please contact us for any information on related to HPLC columns.
Materials Division (Column Sales Team)
- Telephone
- +81-6-6466-5243
- FAX
- +81-6-6466-5255