Spex CertiPrep

Spex CertiPrep
Spex® CertiPrep is a market leader of high quality, innovative Inorganic and Organic Certified Reference Materials. The company provides 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. Its products are used in laboratories around the world, conforming to international environmental and safety standards.
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