Newsletter

PEI: New Methods and Updated Brochure

Many customers have come to us with difficulties in analyzing Polyethylenimine (PEI). It is not a simple polymer to analyze with HPLC for a variety of reasons, including: – PEI is a mixture of different molecules with a large variety of differing lengths and branching structures– PEI has multiple charges in acidic and neutral pH...Read more

Our New Online Shop, HPLC Methods Library updated

Dear colleagues! Welcome to our new online store at https://sielc.com/shop! We also have reconstructed our Online Applications Library to make searching simpler and quicker to help you find the method for your compound(s) of interest. If you can’t find the compound that you’re interested in analyzing in our Library, feel free to reach our R&D Lead Brad Widawer at research@sielc.com, and...Read more

Introduction into HPLC and the Primesep Mixed-mode Stationary Phases with Example Applications (video)

An introduction to High Pressure/Performance Liquid Chromatography (HPLC), column stationary phases for HPLC, and mixed-mode stationary phases for HPLC with examples of separations of complex mixtures of molecules of interest using the novel Primesep stationary phase column series.

Introduction to Newcrom Mixed-mode Stationary Phases with Example Applications (video)

An introduction to the novel Newcrom mixed-mode stationary phase column series with examples of separations of many different compounds of interest.

Bridge Ion Separation Technology-enabled Separation of Food Dyes (video)

A series of experiments separating food dyes and other coloring pigments using High Pressure/Performance Liquid Chromatography (HPLC) and the novel chromatographic method Bridge Ion Separation Technology (BIST).