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Welch Materials offers a broad portfolio of high-performance liquid chromatography (HPLC) columns designed to serve diverse analytical needs, from routine reversed-phase separations to specialty applications like HILIC. Their product lines are well-recognized for their reproducibility, high purity of stationary phase materials, and the breadth of chromatographic phases and formats available.
The Ultisil brand is built on ultra-pure full porous spherical silica with high surface uniformity and low metal contamination, allowing for high-resolution separations and long column life. These columns cover a wide variety of stationary phase chemistries (e.g., C18, C8, HILIC, Amino, etc) and particle sizes.
Xtimate is another of Welch’s branded column lines, offering additional phase and format options, including smaller particle sizes and UHPLC-compatible dimensions.
The Welchrom brand is specifically called out by Welch Materials as a line of HPLC columns that emphasise high-purity spherical silica, advanced bonding and end-capping techniques to deliver symmetrical peak shapes and low back‐pressure.
In addition to the three brands above, Welch also markets other series such as Topsil, Boltimate® (core-shell particle technology) and more, to address specialised needs in chromatography.
| Product Number | Description | Price | Specifications |
|---|
| WL-0001-01036 | Advanchrom HIC-Butyl 1000Å 3μm, 4.6 x 35mm, ea. |
CHF 965.00
Will be procured as soon as possible |
- Product Number: WL-0001-01036
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C4
- Selectivity Manufacturer: HIC-Butyl
- Particle Size: 3.0 µm
- Column Length: 35 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Hydrophobic Interaction (HIC)
- Temperature Range: 40(60)°C
- pH Range: 2-8
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Package Size: 1
Questions about the article
To the product details
Will be procured as soon as possible
| WL-0001-01037 | Advanchrom HIC-Butyl 1000Å 3μm, 4.6 x 50mm, ea. |
CHF 1,036.00
Will be procured as soon as possible |
- Product Number: WL-0001-01037
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C4
- Selectivity Manufacturer: HIC-Butyl
- Particle Size: 3.0 µm
- Column Length: 50 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Hydrophobic Interaction (HIC)
- Temperature Range: 40(60)°C
- pH Range: 2-8
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Package Size: 1
Will be procured as soon as possible
| WL-0002-02009 | AdvanChrom C18 180Å 5µm, 2.1 x 30mm, ea. |
CHF 408.00
Will be procured as soon as possible |
- Product Number: WL-0002-02009
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C18
- Particle Size: 5.0 µm
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 30 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 220 m2/g
- Package Size: 1
Will be procured as soon as possible
| WL-0002-02038 | AdvanChrom C18 180Å 5µm, 4.6 x 75mm, ea. |
CHF 458.00
Will be procured as soon as possible |
- Product Number: WL-0002-02038
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C18
- Particle Size: 5.0 µm
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 75 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 220 m2/g
- Package Size: 1
Will be procured as soon as possible
| WL-0002-02041 | AdvanChrom C18 180Å 5µm, 4.6 x 150mm, ea. |
CHF 493.00
Will be procured as soon as possible |
- Product Number: WL-0002-02041
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C18
- Particle Size: 5.0 µm
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 150 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 220 m2/g
- Package Size: 1
Will be procured as soon as possible
| WL-0002-02043 | AdvanChrom C18 180Å 5µm, 4.6 x 250mm, ea. |
CHF 522.00
Will be procured as soon as possible |
- Product Number: WL-0002-02043
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C18
- Particle Size: 5.0 µm
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 250 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 220 m2/g
- Package Size: 1
Will be procured as soon as possible
| WL-0004-05039 | AdvanChrom Bio HIC-Butyl 1000Å 5µm, 4.6 x 100mm, ea. |
CHF 1,143.00
Will be procured as soon as possible |
- Product Number: WL-0004-05039
- Manufacturer: Welch Materials
- Brand: Advanchrom
- Selectivity: C4
- Selectivity Manufacturer: HIC-Butyl
- Particle Size: 5.0 µm
- Column Length: 100 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: HIC
- Temperature Range: 40(60)°C
- pH Range: 2-8
- Particle: Silica
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01009 | Xtimate C18 120Å 1.8µm, 2.1 x 30mm, ea. |
CHF 401.00
Will be procured as soon as possible |
- Product Number: WL-00101-01009
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 30 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01010 | Xtimate C18 120Å 1.8µm, 2.1 x 50mm, ea. |
CHF 436.00
Will be procured as soon as possible |
- Product Number: WL-00101-01010
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 50 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01011 | Xtimate C18 120Å 1.8µm, 2.1 x 75mm, ea. |
CHF 522.00
Will be procured as soon as possible |
- Product Number: WL-00101-01011
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 75 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01012 | Xtimate C18 120Å 1.8µm, 2.1 x 100mm, ea. |
CHF 522.00
Will be procured as soon as possible |
- Product Number: WL-00101-01012
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 100 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01014 | Xtimate C18 120Å 1.8µm, 2.1 x 150mm, ea. |
CHF 636.00
Will be procured as soon as possible |
- Product Number: WL-00101-01014
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 150 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01018 | Xtimate C18 120Å 1.8µm, 3.0 x 30mm, ea. |
CHF 636.00
Will be procured as soon as possible |
- Product Number: WL-00101-01018
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 30 mm
- Column ID: 3.0 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01019 | Xtimate C18 120Å 1.8µm, 3.0 x 50mm, ea. |
CHF 643.00
Will be procured as soon as possible |
- Product Number: WL-00101-01019
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 50 mm
- Column ID: 3.0 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01021 | Xtimate C18 120Å 1.8µm, 3.0 x 100mm, ea. |
CHF 701.00
Will be procured as soon as possible |
- Product Number: WL-00101-01021
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 100 mm
- Column ID: 3.0 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01023 | Xtimate C18 120Å 1.8µm, 3.0 x 150mm, ea. |
CHF 786.00
Will be procured as soon as possible |
- Product Number: WL-00101-01023
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 150 mm
- Column ID: 3.0 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01036 | Xtimate C18 120Å 1.8µm, 4.6 x 30mm, ea. |
CHF 636.00
Will be procured as soon as possible |
- Product Number: WL-00101-01036
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 30 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01037 | Xtimate C18 120Å 1.8µm, 4.6 x 50mm, ea. |
CHF 643.00
Will be procured as soon as possible |
- Product Number: WL-00101-01037
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 50 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01039 | Xtimate C18 120Å 1.8µm, 4.6 x 100mm, ea. |
CHF 701.00
Will be procured as soon as possible |
- Product Number: WL-00101-01039
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 100 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01041 | Xtimate C18 120Å 1.8µm, 4.6 x 150mm, ea. |
CHF 786.00
Will be procured as soon as possible |
- Product Number: WL-00101-01041
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 150 mm
- Column ID: 4.6 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01210 | Xtimate C18 120Å 1.8µm, 2.1 x 50mm, ea. |
CHF 436.00
Will be procured as soon as possible |
- Product Number: WL-00101-01210
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 50 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01212 | Xtimate C18 120Å 1.8µm, 2.1 x 100mm, ea. |
CHF 522.00
Will be procured as soon as possible |
- Product Number: WL-00101-01212
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 100 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-01214 | Xtimate UHPLC C18 120Å 1.8µm, 2.1 x 150mm (W-Port), ea. |
CHF 629.00
Will be procured as soon as possible |
- Product Number: WL-00101-01214
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 1.8 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 150 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-11009 | Xtimate C18 120Å 3µm, 2.1 x 30mm, ea. |
CHF 401.00
Will be procured as soon as possible |
- Product Number: WL-00101-11009
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 3.0 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 30 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible
| WL-00101-11010 | Xtimate C18 120Å 3µm, 2.1 x 50mm, ea. |
CHF 415.00
Will be procured as soon as possible |
- Product Number: WL-00101-11010
- Manufacturer: Welch Materials
- Brand: Xtimate
- Selectivity: C18
- Particle Size: 3.0 µm
- Pore Size: 1.00 ml/g
- Carbon Load: 14 %
- Endcapping: yes
- Column Length: 50 mm
- Column ID: 2.1 mm
- Hardware Material: Stainless Steel
- Hardware Type: Analytical Column
- Application: Reversed Phase
- USP Code: L1
- Temperature Range: 40(60)°C
- pH Range: 1-12.5
- Particle: Silica-Polymer Hybrid
- Particle Shape: Spherical
- Particle Type: Fully Porous
- Surface Area: 320 m2/g
- Bonding Type: monomeric
- Pore Volume: 1.00 ml/g
- Package Size: 1
Will be procured as soon as possible