Methylamines besides standard cations including cesium (Metrosep C 4 – 150)

IC Application Note No. C-78 Methanolamines besides alkali and alkaline earth metal cations Summary: Determination of mono-, di- and trimethanolamine (MMA, DMA, TMA respectively), besides lithium, sodium, ammonium, potassium, magnesium, caesium, calcium and strontium using cation chromatography with direct conductivity…

IC Application Note No. C-126 Title: Methylamines and ethanolamines (Metrosep C 4 – 150) Summary: Determination of monomethylamine (MMA), dimethylamine (DMA), trimethylamine (TMA), monoethanolamine (MEA), diethanolamine (DEA) and triethanolamine (TEA) using cation chromatography with direct conductivity detection. Sample: Standard solution…

WHITE PAPER Measuring inorganic cations and amines with ion chromatography mass spectrometry (IC-MS) Two robust and sensitive analytical techniques in their own right – ion chromatography (IC) and mass spectrometry (MS) – can be combined to form an even more…

Trace-level aliphatic amines in cationic pharmaceutical ingredients Summary Coupled-column matrix elimination (CCME) The analytical challenge treated by the present work consists in detecting sub-ppb concentrations of low-molecular-weight amines in the presence of strongly retained cationic drugs by using ion chromatography…