Xtimate C18
– 68 columns
Vendor: Welch Materials
Xtimate is the brand-name for Welch premium HPLC column series. There are two types of Xtimate column, those based on based on Hybride Silica Polymer packing materials, and those based on pure polymer materials.
- Wide pH range from 1.0 to 12.5
- Silica particle properties of high mechanic strength and high efficiency and organic polymer properties of inertness and resistance to alkali dissolution
- Long column lifetime：5 times of similar product such as Gemini
- Excellent peak shape for strong bases
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Brand specifications
Every parameter recorded for every column in this Brand is shown here. A single value applies across the Brand; multiple values show what is recorded across its columns.
| Mode | Reversed-Phase | Endcapped | Yes |
|---|---|---|---|
| Modification | Hybrid silica-polymer/C18 | pH stability from | 1.0 |
| Surface Area | 320 | pH stability to | 12.5 |
| Carbon Load, % | 14.0 |
Choose column specifications
Available: 30 – 300 mm
Available: 2.1 – 50 mm
Available: 3 – 10 μm
Pore Size
Not recorded
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Columns in this brand
Use the selectors above to narrow the list by specification, or search here by P/N or any displayed value.
68 columns shown
| Xt1018P1025 | 250 | 10.0 | 10.0 | — |
| Xt1018P2115 | 150 | 21.2 | 10.0 | — |
| Xt1018P2125 | 250 | 21.2 | 10.0 | — |
| Xt1018P3015 | 150 | 30.0 | 10.0 | — |
| Xt1018P3025 | 250 | 30.0 | 10.0 | — |
| Xt1018P5015 | 150 | 50.0 | 10.0 | — |
| Xt1018P5025 | 250 | 50.0 | 10.0 | — |
| Xt3B18203 | 30 | 2.1 | 3.0 | — |
| Xt3B18205 | 50 | 2.1 | 3.0 | — |
| Xt3B18210 | 100 | 2.1 | 3.0 | — |
| Xt3B18215 | 150 | 2.1 | 3.0 | — |
| Xt3B18220 | 200 | 2.1 | 3.0 | — |
| Xt3B18225 | 250 | 2.1 | 3.0 | — |
| Xt3B18303 | 30 | 3.0 | 3.0 | — |
| Xt3B18305 | 50 | 3.0 | 3.0 | — |
| Xt3B18310 | 100 | 3.0 | 3.0 | — |
| Xt3B18315 | 150 | 3.0 | 3.0 | — |
| Xt3B18320 | 200 | 3.0 | 3.0 | — |
| Xt3B18325 | 250 | 3.0 | 3.0 | — |
| Xt3B18330 | 300 | 3.0 | 3.0 | — |
| Xt3B184003 | 30 | 4.0 | 3.0 | — |
| Xt3B184005 | 50 | 4.0 | 3.0 | — |
| Xt3B184010 | 100 | 4.0 | 3.0 | — |
| Xt3B184015 | 150 | 4.0 | 3.0 | — |
| Xt3B184020 | 200 | 4.0 | 3.0 | — |
| Xt3B184025 | 250 | 4.0 | 3.0 | — |
| Xt3B18403 | 30 | 4.6 | 3.0 | — |
| Xt3B184030 | 300 | 4.0 | 3.0 | — |
| Xt3B18405 | 50 | 4.6 | 3.0 | — |
| Xt3B18410 | 100 | 4.6 | 3.0 | — |
| Xt3B18415 | 150 | 4.6 | 3.0 | — |
| Xt3B18420 | 200 | 4.6 | 3.0 | — |
| Xt3B18425 | 250 | 4.6 | 3.0 | — |
| Xt3B18430 | 300 | 4.6 | 3.0 | — |
| Xt518P1025 | 250 | 10.0 | 5.0 | — |
| Xt518P2115 | 150 | 21.2 | 5.0 | — |
| Xt518P2125 | 250 | 21.2 | 5.0 | — |
| Xt518P3015 | 150 | 30.0 | 5.0 | — |
| Xt518P3025 | 250 | 30.0 | 5.0 | — |
| Xt518P5015 | 150 | 50.0 | 5.0 | — |
| Xt518P5025 | 250 | 50.0 | 5.0 | — |
| Xt5B18203 | 30 | 2.1 | 5.0 | — |
| Xt5B18205 | 50 | 2.1 | 5.0 | — |
| Xt5B18210 | 100 | 2.1 | 5.0 | — |
| Xt5B18215 | 150 | 2.1 | 5.0 | — |
| Xt5B18220 | 200 | 2.1 | 5.0 | — |
| Xt5B18225 | 250 | 2.1 | 5.0 | — |
| Xt5B18303 | 30 | 3.0 | 5.0 | — |
| Xt5B18305 | 50 | 3.0 | 5.0 | — |
| Xt5B18310 | 100 | 3.0 | 5.0 | — |
| Xt5B18315 | 150 | 3.0 | 5.0 | — |
| Xt5B18320 | 200 | 3.0 | 5.0 | — |
| Xt5B18325 | 250 | 3.0 | 5.0 | — |
| Xt5B18330 | 300 | 3.0 | 5.0 | — |
| Xt5B184003 | 30 | 4.0 | 5.0 | — |
| Xt5B184005 | 50 | 4.0 | 5.0 | — |
| Xt5B184010 | 100 | 4.0 | 5.0 | — |
| Xt5B184015 | 150 | 4.0 | 5.0 | — |
| Xt5B184020 | 200 | 4.0 | 5.0 | — |
| Xt5B184025 | 250 | 4.0 | 5.0 | — |
| Xt5B18403 | 30 | 4.6 | 5.0 | — |
| Xt5B184030 | 300 | 4.0 | 5.0 | — |
| Xt5B18405 | 50 | 4.6 | 5.0 | — |
| Xt5B18410 | 100 | 4.6 | 5.0 | — |
| Xt5B18415 | 150 | 4.6 | 5.0 | — |
| Xt5B18420 | 200 | 4.6 | 5.0 | — |
| Xt5B18425 | 250 | 4.6 | 5.0 | — |
| Xt5B18430 | 300 | 4.6 | 5.0 | — |
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