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, while when column ID≥4.0mm, a 4.6×10mm cartridge is recommended. 2.1×10mm cartridge holder: 00808-01107, 4.6×10mm cartridge holder: 00808-01101 or 00808-01108(direct connect).
Welch guard cartridges for analytical columns are sold in packs, each pack containing 2 pieces (1 unit = 1 pack = 2 pcs).
Blossmate SAX column can be used under the condition of high fow rate and high pressure. It is compatible with ionic strength change of various mobile phase to achieve fast equilibrium and suitable for the separation and puri_x001F_cation of polar small molecules and other biological macromolecules compounds, such as glyphosate, nucleotides, proteins and peptides.
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