Superior core-shell column There are mainly two kinds of chromatographic packing materials: silica gel and polymer. Their structural difference makes maintenance and separation results different. Silica based packing materials contain...
When use the amino((NH2) column for a period of time, do you encounter a decrease in column efficiency and an increase in column pressure?Or abnormal interference peaks and the retention...
Column selectivity database(USP-PQRI) The United States Pharmacopoeia (USP) is a recognized statutory public standard setting agency in the United States of America. USP develops quality standards for prescription and OTC...
Today we will bring “Solutions to solve poor reproducibility between batch to batch”. Q How to ensure good reproducibility when a new validated HPLC method is transferred to Q.C. lab?...