XBridge BEH C18 Sentry Guard Cartridge, 130Å, 5 µm, 2.1 mm X 10 mm, 2/pk

To increase the lifespan of the XBridge BEH C18 Column, use the Sentry Guard Cartridge. Between the injector and the analytical column is a guard cartridge, a piece of safety lab equipment. It functions by limiting the entry of contaminating chemicals and suspended particles into the analytical column.

The XBridge BEH C18 Sentry Guard Cartridge is made of the same high-performance packing materials that are used in the construction of all Waters analytical columns. It was specifically designed and built for situations that call for a higher level of biological fluid filtration and/or temperature control.

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Like other Waters products, the XBridge BEH C18 Sentry Guard Cartridge is produced using cGMP, ISO 9001-certified machinery, and ultra-pure chemicals. In addition to this, each batch of the XBridge BEH C18 Sentry Guard Cartridge's packing material is subjected to chromatographic testing with neutral, acidic, and basic analytes. In order to guarantee consistently excellent, repeatable performance, the findings are once again held to the highest standards and the narrowest specification ranges.

We recommend that you also explore the Reversed-Phase QC Reference Material. Seven substances, including uracil, butyl paraben, naphthalene, propranolol, dipropylphthalate, acenaphthene, and amitriptyline, are present in the reversed-phase QC reference material at pH 7. Use this standard mixture to verify the analytical HPLC or UPLC system's benchmark performance. This specific QC Reference Material is a specially created blend of neutral, acidic, and basic substances, as well as a void marker. Due to the presence of compounds that might be difficult to separate, the Reversed-Phase QC Reference Material is a very complex reference material mixture. It is appropriate when doing difficult assays on a regular basis because it is intended to give this complexity. It works with different column chemistries, sizes, and system hardware.