SpexCertiPrep
Our Brands SPEX CertiPrep was founded in 1954 to provide superior certified reference materials and sample preparation equipment for analytical spectroscopy. SPEX CertiPrep offers an unparalleled selection of inorganic standards for AA, ICP, ICP/MS and LC-ICP/MS; and organic standards for GC, GC/MS, LC and LC/MS. are SPEX CertiPrep offers customized standards as well to meet […]