Column Protection

Column Protection

P/N: 00808-04301
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-23302
Regular price $96.00 USD
Sale price $96.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24302
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-03302
Regular price $100.00 USD
Sale price $100.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04302
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-23305
Regular price $96.00 USD
Sale price $96.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24305
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-03305
Regular price $100.00 USD
Sale price $100.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04305
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24304
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04304
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-23303
Regular price $96.00 USD
Sale price $96.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24303
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-03303
Regular price $100.00 USD
Sale price $100.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04303
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24306
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04306
Regular price $62.00 USD
Sale price $62.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-14705
Regular price $169.00 USD
Sale price $169.00 USD
Regular price
Unit price
per 
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-08501
Regular price $452.00 USD
Sale price $452.00 USD
Regular price
Unit price
per 
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-24201
Regular price $50.00 USD
Sale price $50.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04201
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-24202
Regular price $50.00 USD
Sale price $50.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04202
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...
P/N: 00808-04209
Regular price $56.00 USD
Sale price $56.00 USD
Regular price
Unit price
per 
Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...