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Xtimate Columns

Xtimate Columns

Xtimate is a new premium HPLC column series and is the product of several years of continuous research on advanced surface modification at Welch Materials, Inc. The Xtimate Series includes columns based on hybrid silica-polymer packing materials and those based on pure polymer media, as well as size exclusion (SEC) columns.

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Xtimate Bio SEC-300, 3μm, 4.6×300 mm
$1,700.00 USD
$1,700.00 USD
Xtimate Bio SEC-120, 5μm, 7.8×300 mm
$1,700.00 USD
$1,700.00 USD
Xtimate Bio SEC-300. 5μm, 7.8×300 mm
$1,700.00 USD
$1,700.00 USD
Xtimate C18, 5μm, 4.6×250mm,3/pk
$2,040.00 USD
$2,040.00 USD
Multi-Lot LC Column Bundle contains three different lots of columns. The column uses ultra-high-purity spherical silica as the matrix, and is bonded with high-density alkyl functional groups, which...
Xtimate DLC SEC-300, 5μm, 4.6×250mm
$1,500.00 USD
$1,500.00 USD
The diamond coating technology enhanced the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hard...
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8μm, 120Å, 4.0×5mm
$84.00 USD
$84.00 USD
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8μm, 120Å, 2.1×5mm
$84.00 USD
$84.00 USD
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
Xtimate Phenyl-Hexyl, Prep Cartridge: 5µm, 120Å, 21.2×10mm
$500.00 USD
$500.00 USD
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Xtimate Phenyl-Hexyl, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm
$210.00 USD
$210.00 USD
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Xtimate C4, Prep Cartridge: 10µm, 120Å, 21.2×10mm
$355.00 USD
$355.00 USD
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Xtimate C4, Prep Cartridge: 5µm, 120Å, 21.2×10mm
$500.00 USD
$500.00 USD
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Xtimate SEC-700, Cartridge: 5µm, 4.6×10mm
$150.00 USD
$150.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate SEC-500, Cartridge: 5µm, 4.6×10mm
$150.00 USD
$150.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate SEC-300, Semi-Prep Cartridge: 5µm, 10×10mm
$774.00 USD
$774.00 USD
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Xtimate SEC-2000, Cartridge: 5µm, 2.1×10mm
$140.00 USD
$140.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate SEC-1000, Cartridge: 5µm, 4.6×10mm
$150.00 USD
$150.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate PS/DVB, Cartridge: 5µm, 300Å, 4.6×10mm
$150.00 USD
$150.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate PS/DVB, Cartridge: 5µm, 100Å, 4.6×10mm
$150.00 USD
$150.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×100mm,W-Port
$1,050.00 USD
$1,050.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 4.6×150mm
$1,600.00 USD
$1,600.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 4.6×50mm
$1,300.00 USD
$1,300.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×150mm
$1,280.00 USD
$1,280.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×100mm
$1,050.00 USD
$1,050.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×75mm
$1,050.00 USD
$1,050.00 USD
With high column efficiency and good lot-to-lot reproducibility, Welch UHPLC Column(1.8μm) can generate high quality data, decreasing the probability of repeated sample analyses while reducing the ...