Chromatography Standards
N-Nitrosonornicotine, ≥99.0% (HPLC), MilliporeSigma™ Supelco™
N′-Nitrosonornicotine is a tobacco specific nitrosamine, which is found to be carcinogenic in nature. It is produced via nitrosation of nicotine during the process of curing, aging, processing and smoking of tobacco.
TraceCERT™ Dimethyl sulfone Standard, MilliporeSigma™ Supelco™
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
PESTANAL™ Diflufenican, MilliporeSigma™ Supelco™
Diflufenican is a pre- and early post-emergence herbicide used to control dicotyledonous weeds in winter cereals, including Galium aparine, Veronica hederifolia, Veronica persica and Viola arvensis, which are resistant to substituted urea herbicides.
TraceCERT™ Cumene Solution, 5,000 μg/mL in Methanol, MilliporeSigma™ Supelco™
Cumene is chemical, which can be released into the environment due to production and processing , from petroleum refining and the combustion and evaporation of petroleum products.
phyproof™ Dictamnine, ≥95% (HPLC), MilliporeSigma™ Supelco™
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
Ranitidine Impurity H Pharmaceutical Secondary Standard, MilliporeSigma™ Supelco™
Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards