CPAchem is an ISO 17034, 17025 and 9001 accredited producer of certified reference materials, including inorganic (AAS, ICP&ICP-MS, IC) and organic (GC/GC-MS, LC/LC-MS) standards, volumetric standards, pH and conductivity buffers, Turbidity, Karl Fischer, TOC/ TIC, COD, Pt-Co/Hazen, TAN/TBN, Osmolality, Petrochemical standards and products according to European, US, British, International, Indian, Japanese and Chinese Pharmacopoeias. The accreditation scope of CPAchem is one of the largest ones in the world; more than 7000 laboratories worldwide use our wide range of products.