Column Protection

Column Protection

P/N: H00808-04047
Regular price $68.00 USD
Sale price $68.00 USD
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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: H00808-23010
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: H00808-24025
Regular price $66.00 USD
Sale price $66.00 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: H00808-03021
Regular price $110.00 USD
Sale price $110.00 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: H00808-04025
Regular price $68.00 USD
Sale price $68.00 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: H00808-05018
Regular price $64.00 USD
Sale price $64.00 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: H00808-25425
Regular price $169.00 USD
Sale price $169.00 USD
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Unit price
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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: H00808-04810
Regular price $352.00 USD
Sale price $352.00 USD
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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: H00808-04425
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: H00808-24039
Regular price $66.00 USD
Sale price $66.00 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: H00808-04029
Regular price $68.00 USD
Sale price $68.00 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: H00808-24429
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: 00808-23307
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: 00808-24307
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: 00808-03307
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: 00808-04307
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: U808-964-25
Regular price $220.00 USD
Sale price $220.00 USD
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Unit price
per 
Welch Boltimate guard cartridges use the same packing materials as does Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use 2.1×5.0mm cartridges,...
P/N: U808-964-45
Regular price $220.00 USD
Sale price $220.00 USD
Regular price
Unit price
per 
Welch Boltimate guard cartridges use the same packing materials as does Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use 2.1×5.0mm cartridges,...
P/N: 00808-01301
Regular price $15.00 USD
Sale price $15.00 USD
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Unit price
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1/16"Peek Tube,7cm Length × 1
P/N: 00808-01303
Regular price from $22.00 USD
Sale price from $22.00 USD
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P/N: 00808-01308
Regular price $9.00 USD
Sale price $9.00 USD
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The product includes:PEEK Ferrule, for 1/16" OD tubing × 1, not 2 pcs in the picture.
P/N: 00808-01320
Regular price $24.00 USD
Sale price $24.00 USD
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Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, PTFE × 1
P/N: 00808-01321
Regular price $24.00 USD
Sale price $24.00 USD
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Unit price
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Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1
P/N: 00808-01321-10
Regular price $32.00 USD
Sale price $32.00 USD
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Unit price
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Replacement O-Ring, for 10mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1