Obelisc N is a column which has very polar characteristics and works well for polar and charged analytes.
- Obelisc N offers both positively and negatively charged groups to interact with positively or negatively charged analytes.
- Multiple separation modes (NP, HILIC, IE).
- In HILIC mode, Obelisc N offers different selectivity form other HILIC or bare silica columns.
- Mass spec, ELSD, preparative and low UV
Obelisc N columns are available in all standard dimensions
| Column IDs | 22 mm, 10 mm, 4.6 mm, 3.2 mm, 2.1 mm, 1 mm, 0.5 mm, 0.25 mm |
| Column Lengths | 250 mm, 150 mm, 100 mm, 50 mm, 25 mm, 10 mm |
| Particles | 10 um, 5 um |
| Pores | 100 A |
“For column-specific technical support or inquiries about Certificates of Analysis (CoA), please feel free to reach out via email at [email protected] or give us a call at +1 (732) 742-5607. We’re here to assist you.”
- HILIC Separation of Common Preservatives – Citric Acid, Ascorbic Acid and EDTA
- HILIC Separation of Epinephrine and Epinephrine Sulfonate
- HPLC Separation of alpha-Aminobutyric, beta-Aminobutyric, and gamma-Aminobutyric acids on Obelisc N
- Method for Analysis of Glyphosate in Apple Juice, Cranberry Juice, Mango Juice and Green Tea
- HPLC Separation of Vitamin C, Vitamin Group B, and Related Impurities
- Retention of TFA on Atlantis and Obelisc N
- HPLC Retention of Sulfuric Acid on Obelisc N Column
Analytical Columns
| Part number | Phase | particle size (µm) | length (mm) | ID (mm) |
| ON-03.100.0510 | Obelisc N | 5 | 100 | 0.25 |
| ON-03.150.0510 | Obelisc N | 2 | 150 | 0.25 |
| ON-03.250.0510 | Obelisc N | 5 | 250 | 0.25 |
| ON-05.100.0510 | Obelisc N | 5 | 100 | 0.5 |
| ON-05.150.0510 | Obelisc N | 5 | 150 | 0.5 |
| ON-05.250.0510 | Obelisc N | 5 | 250 | 0.5 |
| ON-100.100.1010 | Obelisc N | 10 | 100 | 10 |
| ON-100.100.0510 | Obelisc N | 5 | 100 | 10 |
| ON-100.150.1010 | Obelisc N | 10 | 150 | 10 |
| ON-100.150.0510 | Obelisc N | 5 | 150 | 10 |
| ON-100.250.1010 | Obelisc N | 10 | 250 | 10 |
| ON-100.250.0510 | Obelisc N | 5 | 250 | 10 |
| ON-100.025.1010 | Obelisc N | 10 | 25 | 10 |
| ON-100.025.0510 | Obelisc N | 5 | 25 | 10 |
| ON-100.050.1010 | Obelisc N | 10 | 50 | 10 |
| ON-100.050.0510 | Obelisc N | 5 | 50 | 10 |
| ON-10.100.0510 | Obelisc N | 5 | 100 | 1 |
| ON-10.010.0510 | Obelisc N | 5 | 10 | 1 |
| ON-10.150.0510 | Obelisc N | 5 | 150 | 1 |
| ON-10.250.0510 | Obelisc N | 5 | 250 | 1 |
| ON-10.025.0510 | Obelisc N | 5 | 25 | 1 |
| ON-10.050.0510 | Obelisc N | 5 | 50 | 1 |
| ON-21.100.0510 | Obelisc N | 5 | 100 | 2.1 |
| ON-21.010.0510 | Obelisc N | 5 | 10 | 2.1 |
| ON-21.150.0510 | Obelisc N | 5 | 150 | 2.1 |
| ON-21.250.0510 | Obelisc N | 5 | 250 | 2.1 |
| ON-21.025.0510 | Obelisc N | 5 | 25 | 2.1 |
| ON-21.050.0510 | Obelisc N | 5 | 50 | 2.1 |
| ON-220.100.1010 | Obelisc N | 10 | 100 | 22 |
| ON-220.100.0510 | Obelisc N | 5 | 100 | 22 |
| ON-220.150.1010 | Obelisc N | 10 | 150 | 22 |
| ON-220.150.0510 | Obelisc N | 5 | 150 | 22 |
| ON-220.250.1010 | Obelisc N | 10 | 250 | 22 |
| ON-220.250.0510 | Obelisc N | 5 | 250 | 22 |
| ON-220.050.1010 | Obelisc N | 10 | 50 | 22 |
| ON-220.050.0510 | Obelisc N | 5 | 50 | 22 |
| ON-32.100.1010 | Obelisc N | 10 | 100 | 3.2 |
| ON-32.100.0510 | Obelisc N | 5 | 100 | 3.2 |
| ON-32.010.0510 | Obelisc N | 5 | 10 | 3.2 |
| ON-32.150.1010 | Obelisc N | 10 | 150 | 3.2 |
| ON-32.150.0510 | Obelisc N | 5 | 150 | 3.2 |
| ON-32.250.1010 | Obelisc N | 10 | 250 | 3.2 |
| ON-32.250.0510 | Obelisc N | 5 | 250 | 3.2 |
| ON-32.025.0510 | Obelisc N | 5 | 25 | 3.2 |
| ON-32.050.1010 | Obelisc N | 10 | 50 | 3.2 |
| ON-32.050.0510 | Obelisc N | 5 | 50 | 3.2 |
| ON-46.100.1010 | Obelisc N | 10 | 100 | 4.6 |
| ON-46.100.0510 | Obelisc N | 5 | 100 | 4.6 |
| ON-46.010.0510 | Obelisc N | 5 | 10 | 4.6 |
| ON-46.150.1010 | Obelisc N | 10 | 150 | 4.6 |
| ON-46.150.0510 | Obelisc N | 5 | 150 | 4.6 |
| ON-46.250.1010 | Obelisc N | 10 | 250 | 4.6 |
| ON-46.250.0510 | Obelisc N | 5 | 250 | 4.6 |
| ON-46.050.1010 | Obelisc N | 10 | 50 | 4.6 |
| ON-46.050.0510 | Obelisc N | 5 | 50 | 4.6 |
Guard Columns
| Part number | Phase | particle size (µm) | length (mm) | ID (mm) |
| ON-10.G.0510 | Obelisc N | 5 | 10 | 1 |
| ON-21.G.0510 | Obelisc N | 5 | 10 | 2.1 |
| ON-32.G.0510 | Obelisc N | 5 | 10 | 3.2 |
| ON-46.G.0510 | Obelisc N | 5 | 10 | 4.6 |
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