Dionex is pleased to announce that the United States Food and Drug Administration (FDA) in Irvine, California have purchased the new, award-wining Dionex ICS-5000 (analytical and capillary scale) with ...

Adding new freshly prepared acid chloride, to ensure complete amine conversion, is an efficient way to avoid difficult chromatography. Figure 10 Crude 1 H-NMR spectrum (25 °C, CDCl 3 , 300 MHz ...

Gas chromatography is often used to determine the purity of aromatic amines. Since aliphatic amines are highly polar and water-soluble compounds, their purity is often measured through titration or ...

Chemists have discovered an inexpensive, clean and quick way to prepare amines -- nitrogen-containing organic compounds derived from ammonia that have wide industrial applications such as solvents ...