Merck offers a range of first-class reference materials for analytical methods under the trade name Certipur®, all of which are traceable to international standards. Certipur® ICP standards are directly traceable to primary standards from NIST. An extensive, batch-specific Certificate of Analysis enclosed in each package provides exact data on the content including uncertainty budget, trace element impurities, composition, traceability, date of release and minimum shelf life.

Certipur® multi-element standards from Merck for inductively coupled plasma spectroscopy (ICP) are the perfect choice for your most demanding analysis applications. Our portfolio of multi-element standards comprises various ICP calibration standards with different numbers of elements, standards for ICP / MS calibration and plasma setup, a standard for graphite furnace AAS, as well as wavelength calibration standards.
Certipur® ICP multi-element standards are traceable to standard reference materials from NIST.

With Cerilliant, RTC, Supelco, and Certipur, Sigma-Aldrich and Merck Millipore offers three in-house manufactured high-quality CRM brands all produced under ISO/IEC 17025 and ISO Guide 34 double accreditation. In addition, they distribute certified reference materials from internationally recognized CRM producers such as IRMM, Paragon Scientific or Whitehouse Scientific.

Pharma Secondary Standards, USP, EP, Certified Reference Material, TraCERT, Certipur, NIST, Derivatization Reagents for GC, HPLC, Chiral.