Dvb stationary phase
WebMar 19, 2004 · The polydentate silica stationary phase was temperature programmed to 100 degrees C, the PS-DVB stationary phase was temperature programmed up to 150 degrees C, and the graphitic carbon column was used with temperature programming up to 200 degrees C. Comparable peak capacities and similar retention behaviors were observed … WebApr 12, 2024 · The fact that crosslinking degree of more than 50% provides compatibility of substrate with up to 100% organic solvents makes PS-DVB-based stationary phases also …
Dvb stationary phase
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WebDigital Video Broadcasting - Cable (DVB-C) is the DVB European consortium standard for the broadcast transmission of digital television over cable.This system transmits an MPEG-2 … WebMar 27, 2013 · One of the key advantages of monoPLOT columns is high flow-through permeability, which makes them a promising type of stationary phases for low pressure chromatography. Although PLOT columns have been applied in LC separation , the PS-DVB columns were based upon 10-μm ID fused silica capillary of 4.2 m length. These long …
WebDigital video broadcasting (DVB) is a set of standards that define digital broadcasting using DVB satellite, cable and terrestrial broadcasting infrastructures. In the early 1990s, … WebOct 5, 2016 · Chelating Resins Chelating resins, which are able to separate metal ions, are made up of a suitable ligand immobilized onto a stationary phase. Many chelating resins have been synthesized using styrene-divinyl benzene polymers or silica as the support material. The ligands are chemically bound to the stationary phase by an appropriate …
WebA stationary phase is the film coated on the inner wall of a capillary column, and should be selected based on the application to be performed. The differences in the chemical and physical properties of injected organic compounds and their interactions with the stationary phase are the basis of the separation process. WebDec 19, 2016 · Zwitterionic stationary phases with nearly identical capacities were prepared by graft polymerization of a series of sulfobetaine precursors onto the surface of porous PS/DVB particles. The different spacer lengths are used as an investigative tool for the retention behavior of carboxylic acids; namely malonic, succinic, glutaric and maleic acid.
WebApr 12, 2024 · Trends in the retention of hydrophobic and polar analytes on the prepared stationary phase indicated the dominating effect of analyte nature on the retention …
WebJun 19, 2007 · The chromatographic separation performance of the polymeric monolithic PS−DVB stationary phase significantly surpassed that of columns packed with the microparticulate sorbents C18 or PS−DVB. Different mobile phase organic solvents and ion-pairing reagents were also evaluated. persisted first party sets.jsonWebfore are typically restricted to stationary or quasi-stationary noise in practice. Nonnegative matrix factorization, popularized by Leeand Seung [1], nds a locally optimal choice of W … stamper 2000 plus s360 how change dateWebMar 1, 2024 · Cation-exchange stationary phases were characterized in different chromatographic modes (HILIC, RPLC, IC) and applied to the separation of non-charged hydrophobic and hydrophilic analytes. The set of columns under investigation included both commercially available cation-exchangers and self-prepared PS/DVB-based columns, the … persisted container