Welch Materials Topsil C18 Columns

Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice.

Topsil series HPLC column is a next-generation column by Welch, besides Ultisil, Xtimate and Welchrom. This series use different silica and provide different selectivity.

Features

High purity silica (99.99%) with 150 Å pore size and 260 m2/g surface area
12% carbon loading for C18 phase
Because of large pore and moderate carbon loading, Topsil C18 phase can also be used as AQ-C18 without phase collapse
Endcapped for excellent peak shape and lifetime
Lower back pressure than Ultisil, almost the same column efficiency as Ultisil columns
Good for small molecules and peptides
Topsil phases including C18, C8, Phenyl-Hexyl, Silica, NH2, HILIC NH2 and CN

Displaying 1 to 20 (of 40 products)

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Item Name	Product Image	Price
Welch Materials Topsil C18 Guard Cartridge, 3 µm, 150 Å, 2.1 x 10 mm, 2 pk - 00808-23301 Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID		£77.00
Welch Materials Topsil C18 Guard Cartridge, 3 µm, 150 Å, 4.6 x 10 mm, 2 pk - 00808-03301 Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID		£80.00
Welch Materials Topsil C18 Guard Cartridge, 5 µm, 150 Å, 2.1 x 10 mm, 2 pk - 00808-24301 Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID		£45.00
Welch Materials Topsil C18 Guard Cartridge, 5 µm, 150 Å, 4.6 x 10 mm, 2 pk - 00808-04301 Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID		£50.00
Welch Materials Topsil C18 HPLC Column, 3 µm, 150 Å, 4.0 x 250 mm - 00410-02034 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£432.00
Welch Materials Topsil C18 HPLC Column, 3 µm, 150 Å, 4.6 x 250 mm - 00410-02043 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£376.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 100 mm - 00410-01021 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£336.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 125 mm - 00410-01022 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£352.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 150 mm - 00410-01023 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£336.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 200 mm - 00410-01024 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£352.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 250 mm - 00410-01025 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£352.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 30 mm - 00410-01018 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£336.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 50 mm - 00410-01019 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£336.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 75 mm - 00410-01020 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£336.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 150 mm - 00410-01064 (Replaces 17410-01032) Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£384.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 250 mm - 00410-01066 (Replaces 19410-01034) Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£400.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 300 mm - 00410-01067 (Replaces 21410-01035) Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£440.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 100 mm - 00410-01030 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£352.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 125 mm - 00410-01031 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£360.00
Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 150 mm - 00410-01032 Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice. Quantity: 1 pcs/pk		£352.00

Displaying 1 to 20 (of 40 products)

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Welch Materials Topsil C18 Columns

Welch Materials Topsil C18 Guard Cartridge, 3 µm, 150 Å, 2.1 x 10 mm, 2 pk - 00808-23301

Welch Materials Topsil C18 Guard Cartridge, 3 µm, 150 Å, 4.6 x 10 mm, 2 pk - 00808-03301

Welch Materials Topsil C18 Guard Cartridge, 5 µm, 150 Å, 2.1 x 10 mm, 2 pk - 00808-24301

Welch Materials Topsil C18 Guard Cartridge, 5 µm, 150 Å, 4.6 x 10 mm, 2 pk - 00808-04301

Welch Materials Topsil C18 HPLC Column, 3 µm, 150 Å, 4.0 x 250 mm - 00410-02034

Welch Materials Topsil C18 HPLC Column, 3 µm, 150 Å, 4.6 x 250 mm - 00410-02043

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 100 mm - 00410-01021

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 125 mm - 00410-01022

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 150 mm - 00410-01023

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 200 mm - 00410-01024

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 250 mm - 00410-01025

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 30 mm - 00410-01018

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 50 mm - 00410-01019

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.0 x 75 mm - 00410-01020

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 150 mm - 00410-01064 (Replaces 17410-01032)

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 250 mm - 00410-01066 (Replaces 19410-01034)

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 3.9 x 300 mm - 00410-01067 (Replaces 21410-01035)

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 100 mm - 00410-01030

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 125 mm - 00410-01031

Welch Materials Topsil C18 HPLC Column, 5 µm, 150 Å, 4.0 x 150 mm - 00410-01032

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