Chromatography Standards
Tetrahydrocurcumin, ≥95.0% (HPLC), MilliporeSigma™ Supelco™
Tetrahydrocurcumin is a colorless compound and a major metabolite of curcumin, which is known to possess antioxidant activity and inhibitory effects on tertiary butyl hydroperoxide-induced lipid peroxidation. It can be obtained via hydrogenation of curcumin in the presence of platinum(IV)oxide.
Nitrate Nitrogen Standard, For IC, Certified Reference Material, 1,000 mg/L N as Nitrate in H2O, 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 SI unit kg and measured against primary material from an NMI, e.g. NIST.
Nitrite Nitrogen Standard, For IC, Certified Reference Material, 1,000 mg/L N as Nitrite in H2Or (pH ∼11), 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 SI unit kg and measured against primary material from an NMI, e.g. NIST.
Ponceau 4R, Analytical Standard, ≥99.0% (HPLC), MilliporeSigma™ Supelco™
Ponceau 4R is a synthetic red azo dye and is used as a food colorant. It is used in range of alcoholic and non-alcoholic beverages, food stuffs, preserved fruits etc. It exists as trisodium-2-hydroxy-1-(4-sulfonato-1-naphthylazo)-6,8-naphthalenedisulfonate.
Poly(ethylene glycol) for GPC 4,000, MilliporeSigma™ Supelco™
Poly(ethylene glycol) (PEG) is regarded as the gold standard for stealth polymers in polymer based drug delivery. PEGs and their anionic or non-ionic derivatives are widely used in cosmetic products.
Conjugated (9Z,11E)-Linoleic acid, ≥96.0% (HPLC), MilliporeSigma™ Supelco™
Conjugated Linoleic acid is a naturally occurring fatty acid. It has anti-cancer, anti-atherogenic and anti-diabetic properties. 9Z,11E is a geometric isomer which belongs to linoleate group.