The Oasis sorbent selection cartridge kit is specifically designed for rapid development of SPE methods for LC/MS analysis. The kit contains 40 cartridges — 10 each of the appropriate Oasis mixed-mode, ion-exchange chemistry: MAX (strong anion exchanger), WAX (weak anion exchanger), MCX (strong cation exchanger), and WCX (weak cation exchanger). Sample preparation method development can be quickly and easily achieved with the use of only two SPE protocols using these chemistries.

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