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Column Protection For Prep LC Columns

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Ultisil HILIC Amide, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm (1pcs/pk) Ultisil HILIC Amide, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm (1pcs/pk)
P/N: H00808-25425
$169.00 USD
$169.00 USD
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...
Ultisil HILIC Amide, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk) Ultisil HILIC Amide, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk)
P/N: H00808-04810
$352.00 USD
$352.00 USD
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...
Ultisil HILIC Amide, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk) Ultisil HILIC Amide, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)
P/N: H00808-04425
$169.00 USD
$169.00 USD
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...
Ultisil HILIC Amphion II, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk) Ultisil HILIC Amphion II, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)
P/N: H00808-24429
$169.00 USD
$169.00 USD
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...
PTFE O-ring PTFE O-ring
P/N: 00808-01320
$24.00 USD
$24.00 USD
Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, PTFE × 1
Replacement O-Ring, 21.2mm, FFKM (1pcs/pk) Replacement O-Ring, 21.2mm, FFKM (1pcs/pk)
P/N: 00808-01321
$24.00 USD
$24.00 USD
Replacement O-Ring, for 21.2mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1
Replacement O-Ring, 10mm, FFKM (1pcs/pk) Replacement O-Ring, 10mm, FFKM (1pcs/pk)
P/N: 00808-01321-10
$32.00 USD
$32.00 USD
Replacement O-Ring, for 10mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1
Replacement O-Ring, 30mm, FFKM (1pcs/pk) FFKM O-ring
P/N: 00808-01321-30
$24.00 USD
$24.00 USD
Replacement O-Ring, for 30mm Prep Precolumn Inline Filter/Guard Holder, FFKM × 1