Sample preparation products and certified reference materials and standards for inorganic and organic spectroscopy and chromatography.SPEX CertiPrep Group Sample Preparation & Handling Laboratory equipment and supplies for sample processing that includes grinders, presses, fusion equipment and liquid sample handling supplies for X-ray Fluorescence (XRF) analysis Biotechnology Pulverizing & Blending Pressing & Pelletizing Fusion XRF Accessories Application Notes Standards for Inorganic Spectroscopy & Chromatography AA, ICP, ICP-MS & IC NOW accredited by A2LA as complying with the requirements o