by Welch Materials
Ultisil XB-C18 columns, featuring high surface coverage and exhaustive endcapping, are an excellent choice as a general purpose C18 column for a wide variety of organic compounds. The bonding chemistry is optimized specifi cally for our base material. Our proprietary double end-capping leads to optimal performance with neutral, polar, acidic, basic, and chelating compounds.
| Vendor | Welch Materials | Pore size | 120 |
| Brand | Ultisil XB-C18 | Surface Area | 320 |
| Modifification | Silica/C18 | Carbon Load, % | 17.0 |
| Mode | Reversed-Phase | Endcapped | Yes |
| Particle Size | pH stability from | 1.5 | |
| Length | pH stability to | 10.0 | |
| Internal Diameter | Product usage | Neutral compounds |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| MACHEREY-NAGEL | NUCLEOSIL C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 125 mm | 5.0 μm | 100 Å | 213.00 |
| Agilent Technologies | Agilent Polaris | Reversed-Phase | Silica/C18 | 2.0 mm | 50 mm | 5.0 μm | 180 Å | On request |
| Teknokroma | TRACER EXCEL 120 ODS-A | Reversed-Phase | Silica/C18 | 3.0 mm | 200 mm | 5.0 μm | 120 Å | On request |
| Higgins Analytical | HEAVY C18 | Reversed-Phase | Silica/C18 | 4.0 mm | 30 mm | 5.0 μm | 100 Å | On request |
| Thermo Fisher Scientific | Hypesil GOLD | Reversed-Phase | Silica/C18 | 0.07 mm | 10 mm | 1.9 μm | 175 Å | On request |
| Imtakt | Cadenza CW-C18 | Reversed-Phase | Silica/C18 | 0.1 mm | 250 mm | 3.0 μm | 300 Å | On request |
| Dikma Technologies Inc. | Spursil C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 250 mm | 5.0 μm | 100 Å | 606.00 |
| Merck | LiChrospher® | Reversed-Phase | Silica/C18 | 4.0 mm | 25 mm | 5.0 μm | 100 Å | On request |
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