Chromatography Standards
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3,257
TraceCERT™ L-Cystine, 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.
3,260
trans-p-Coumaric acid, ≥98.0% (HPLC), MilliporeSigma™ Supelco™
trans-p-coumaric acid is a constituent of cutin. It is also found in olive processing and wine distillery effluents.
3,266
Stearic Acid, Analytical Standard, ≥98.5%, MilliporeSigma™ Supelco™
Stearic acid is a long chain saturated fatty acid. It can be derived naturally from vegetable and animal fat.
3,268
Chloramphenicol Pharmaceutical Secondary Standard, Certified Reference Material, MilliporeSigma™ Supelco™
Chloramphenicol is a synthetic antibiotic, isolated from strains of Streptomyces venezuelae. It is widely used against gram-positive and gram-negative bacteria, and is used mainly for ophthalmic and veterinary purposes
