At SPEX CertiPrep Ltd. We stock over 2,000 high purity compounds for use in reference materials. These compounds, are available as single component standards, blends, or custom solutions prepared by our chemists. All Custom reference material requests will be reviewed by our chemists to confirm the compatibility of requested analytes and the stability of these components in the requested matrix.

InorganicWe will guarantee your custom standards for one year from the date of shipment and supply your standard with certified concentration and impurity analysis. With our aqueous standards you may choose between our conventional ICP certification, or request Claritas PPT® certification which includes an impurities analysis of up to 68 elements to PPT levels measured on ICP-MS.

OrganicWe stock over 2,000 high purity compounds for use in reference materials. These compounds are available as single component standards, blends, or custom solutions prepared by our chemists. All Custom reference material requests will be reviewed by our chemists to confirm the compatibility of requested analytes and the stability of these components in the requested matrix.