The stability of drugs in solid forms such as powders, tablets and capsules is usually determined very thoroughly by the drug's manufacturer. Based on stability study data, the shelf-life of a drug ...

US-based dietary supplement producer Sabinsa has developed a new High Performance Liquid Chromatography (HPLC) testing procedure which has been reviewed and approved by the United States Pharmacopeial ...

There are a few scenarios where analytical procedures might need to be transferred between HPLC instruments: 1) Method transfer to new equipment in the same lab, perhaps to a different vendor or a ...

Hydroxypropyl methyl cellulose (HPMC) stock solution, 2% (wt/vol; ∼86 K nominal molecular weight; 4,000-cP viscosity; Aldrich); prepare 24 h before use as an aqueous 2% (wt/vol) stock solution by ...

Over the past few decades, chromatography has seen a significant amount of development and progress. Sophisticated equipment has been invented to improve the efficiency of chromatography-based testing ...