Van Deemter's equation

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• Van Deemter equation — The Van Deemter equation in chromatography relates the variance per unit length of a separation column to the linear mobile phase velocity by considering physical, kinetic, and thermodynamic properties of a separation.[1] These properties include …   Wikipedia

• Rodrigues equation — The Rodrigues equation is an equation used in chromatography to describe the efficiency of a bed of permeable (large pore) particles. It is thus an extension of Van Deemter s equation. It was developed by Alirio E. Rodrigues et al cite journal… …   Wikipedia

• Column chromatography — A chemist in the 1950s using column chromatography. The Erlenmeyer receptacles are on the floor. Column chromatography in chemistry is a method used to purify individual chemical compounds from mixtures of compounds. It is often used for… …   Wikipedia

• List of mathematics articles (V) — NOTOC Vac Vacuous truth Vague topology Valence of average numbers Valentin Vornicu Validity (statistics) Valuation (algebra) Valuation (logic) Valuation (mathematics) Valuation (measure theory) Valuation of options Valuation ring Valuative… …   Wikipedia

• Theoretical plate — A theoretical plate in many separation processes is a hypothetical zone or stage in which two phases, such as the liquid and vapor phases of a substance, establish an equilibrium with each other. Such equilibrium stages may also be referred to as …   Wikipedia

• NUS High School of Mathematics and Science — National University of Singapore High School of Mathematics and Science 新加坡国立大学附属数理中学 சிங்கப்பூர் தேசிய பல்கலைக்கழகம் கணிதம் மற்றும் அறிவியல் மேல்நிலைப்பள்ளி Motto: Experiment. Explore. Excel …   Wikipedia

• Chromatographic resolution — (Chemistry) refers to the separation of material in column chromatography. As eluent travels through a column it causes different constituents of the material being separated to travel faster depending on the constituents solubility in the eluent …   Wikipedia

• Chromatography — Pictured is a sophisticated gas chromatography system. This instrument records concentrations of acrylonitrile in the air at various points throughout the chemical laboratory. Chromatography (from Greek χρῶμα chroma color and γράφειν graphein to… …   Wikipedia

• UPLC — L UPLC (Ultra Performance Liquid Chromatography) est une marque déposée de Waters corporation qui désigne certains de ses systèmes de chromatographie en phase liquide à haute pression. Introduite en 2004 et faisant appel aux mêmes principes que l …   Wikipédia en Français

• High-performance liquid chromatography — An HPLC. From left to right: A pumping device generating a gradient of two different solvents, a steel enforced column and an apparatus for measuring the absorbance. Acronym HPLC Classification Chromatography …   Wikipedia

• Micellar electrokinetic chromatography — (MEKC), is a chromatography technique, used in analytical chemistry. It is a modification of capillary electrophoresis (CE), where the samples are separated by differential partitioning between micelles (pseudo stationary phase) and a surrounding …   Wikipedia