Chromatography Standards
Trace Metals 1 in Seawater, Whole Volume, Certified Reference Material, MilliporeSigma™ Supelco™
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
phyproof™ 5-Hydroxy-L-tryptophan, ≥98% (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
phyproof™ Emodin, ≥90% (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
phyproof™ Gallic acid, ≥98% (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
Thiamine Impurity D 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
phyproof™ Parishin E, ≥90% (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
Piperazine hexahydrate, ≥99% (TLC), MilliporeSigma™ Supelco™
Piperazine hexahydrate may be used as a standard for the determination of piperazine in pharmaceutical preparations using colorimetric technique.
o-Tolidine, MilliporeSigma™ Supelco™
o-Tolidine is widely used in the aniline dye industry for the synthesis of different azo dyes.
PESTANAL™ α-Chlordane, MilliporeSigma™ Supelco™
α-Chlordane is an organochlorine pesticide, widely used in agriculture to control pests. These chemicals are carcinogenic and known to induce toxicity in several organisms.
PESTANAL™ 2,4,5-Trichlorophenol, MilliporeSigma™ Supelco™
2,4,5-Trichlorophenol is a phenolic organochloride, which is persistent as an environmental contaminant.