Waters Protein Standard and Kits are a versatile product grouping that contains specially formulated proteins for chromatography bench-marking for reversed phase, SEC, IEX, and even HDX. In addition, we have one of the only fully characterized intact mAb’s for intact mass measurements. Finally, the ProteinWorks Sample Preparation Kits provide protein digestion protocols and simple to use, lot traceable reagents for purifying peptides from complex matrices.