HPLC ELSD Method for Separation of Metal Ions on Primesep 100 Column

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Chromatogram

Description

Primesep 100 separates the monovalent cations, lithium, potassium, and sodium, and the divalent cations, zinc, manganese, and calcium. The cations are resolved by cation exchange. The mobile phase mixture of water, acetonitrile (MeCN, ACN) and trifluoroacetic acid (TFA) is evaporative light scattering detection (ELSD) compatible.

Method Parameters

Mobile PhaseMeCN/H2O – 70/30%
BufferTFA- 0.4%
Flow Rate1.0 ml/min
DetectionELSD 50C
Class of CompoundsIons,  Hydrophilic, Ionizable, Vitamin, Supplements
Analyzing CompoundsSodium, Magnesium, Calcium, Lithium, Barium

HPLC Column Used

Primesep 100, 4.6×250 mm, 5 µm, 100A