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SPEX Certiprep: Mobile Phase Modifiers for HPLC & LC/MS

    • Conveniently packaged for error-free use
    • Designed to be directly added to mobile phase reservoirs for easy use
    • Ability to mix and match modifiers to create personalized method development kits
    • Click on the part number to see each item, or read more here

DescriptionCAS #MatrixVolumePart Number
Trifluoroacetic Acid76-05-1Neat5 x 1mL0770391506
Acetic Acid64-19-7Neat5 x 1mL0770391606
Formic Acid64-18-6Neat5 x 1mL0770391706

Fall Cleanout Sale - Our Biggest Clearance Event Ever

We're cleaning out the warehouse and found hundreds of items to offer you at knockout clearance prices. Never used, still in the box items are available at their lowest prices while supplies last. No discounts or special pricing can be applies to these orders.

    • Bottles, Jugs, Jars, & Other Containers
    • Cleaning Supplies
    • Glassware & Labware
    • Safety Equipment
    • Small Lab Equipment
    • and so much more!

Browse Cleanout Sale