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	Primesep Primesep stationary phases offer unprecedented selectivity in the separation of a broad array of chemical compounds and in multiple applications. A wide range of HPLC columns with id's from 0.5 mm to 22 mm is available. Corresponding Primesep guard columns are available with all stationary phases and do not require holders. SIELC offers a method development service is available for customers. Ask about special custom LC-phases tailored for specific separations.	New Products New advanced fittings from SIELC Recently Developed Methods HPLC Separation of Guanidine HPLC Separation of Phosphate and Sulphate Ions HPLC Separation of Taurine Mixed-mode HPLC Separation of Primary and Secondary Amines, and Ammonia Mixed-mode HPLC Separation of Tertiary Amines HPLC Separation of Nucleobases (1) HPLC Separation of Nucleobases (2) HPLC Separation of Aromatic Sulfonamides and Hydrozine Other Methods New Specialty Columns from SIELC New comprehensive guide for HPLC Method Development SIELC Technologies offers a free and fully confidential method development service to assist you in your column selection and to save you time and money. Samples are screened on up to 6 different phases. Analysis by SIELC's team of experienced chromatographers Fast turn around Full method details provided LC/MS/ELSD compatible Method scalable to preparative chromatography SIELC Technologies introduces a new HPLC method development tool. News Archives
	Obelisc Two complimentary columns, Obelisc R and Obelisc N, based on Liquid Separation Cell ( LiSC ™) technology, offer a new approach to separate a variety of small molecules. Buffer concentration, buffer pH, and organic modifier concentration are three orthogonal parameters of the mobile phase that allow adjustment of column properties to separate complex mixtures.
	Promix Promix is an alternative chromatography technology for efficient resolution of peptides and proteins. The technology is based on a combination of two interactions - hydrophobic and ionic. This approach is possible due to a new type of separation media: a chemical combination of hydrophobic and ionic functional groups on a ligand bonded to a silica support. With this phase, unparalleled selectivity and peak capacity can be achieved. Independent adjustment of the amount of buffer and organic modifier creates an infinite number of separation conditions that are suitable for many types of biomolecules.
	HPLC Hardware SIELC Technologies is offering a patented design of capillary, analytical, and preparative hardware for HPLC. Unified cylindrical shape of the columns is a signature hardware style developed and produced by SIELC. Superior performance, distinguished look, and reduced hardware costs are just a few benefits of the new design.
	Phlex LDS This flexible liquid delivery system offers a new approach for adding HPLC buffers and other liquids. Eliminate premixing of buffered mobile phases Add an additional channel to an existing HPLC Add modifiers such as TEA and formic acid to an SFC system Convert an isocratic microbore pump to a high pressure gradient system Use as a high-pressure injector in preparative separation chromatography Eliminate contamination of HPLC pumps and degassers with buffer components
Recent Publications Systematic Approach to Chromatography of Quaternary Amines New Mixed-Mode HILIC - Advances in Retention Control and Selectivity New Mixed-Mode Approach - Taking Control Of Your Separations Universal HPLC Column: Old Myth or Modern Reality? Primesep SB: A New Tool for Separation of Small Molecules Is There a Mystery in HPLC Separations? LC Analysis of Zwitterions with Ion-Free Mobile Phase

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