column packing

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• 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

• Column still — Legend: A. Analyzer B. Rectifier 1. Wash 2. Steam 3. Liquid out 4. Alcohol vapour 5. Recycled less volatile components 6. Most volatile components 7. Condenser A column still, also called a continuous still, patent still or Coffey still, is a… …   Wikipedia

• Fractionating column — A fractionating column or fractionation column is an essential item used in the distillation of liquid mixtures so as to separate the mixture into its component parts, or fractions, based on the differences in their volatilities. Fractionating… …   Wikipedia

• Monolithic HPLC column — A monolithic HPLC column is a special type of column used in HPLC with porous channels rather than beads. High performance liquid chromatography (HPLC) is the third most widely used laboratory instrument, surpassed only by analytical balances and …   Wikipedia

• Structured packing — The term structured packing refers to a range of specially designed materials for use in absorption and distillation columns and chemical reactors. Structured packings typically consist of thin corrugated metal plates or gauzes arranged in a way… …   Wikipedia

• Ptfe structured packing — refers to a range of specially designed materials for use in absorption and distillation columns and chemical reactors. PTFE Structured packing typically consist of thin corrugated PTFE Sheets arranged in a way that they force fluids to take… …   Wikipedia

• Size-exclusion chromatography — Equipment for running size exclusion chromatography. The buffer is pumped through the column (right) by a computer controlled device Acronym SEC Classification Chromatography Analytes …   Wikipedia

• 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

• Cryogenic oxygen plant — A cryogenic oxygen plant is an industrial facility that creates molecular oxygen at relatively high purity. Oxygen is the most common element in the world and the second largest industrial gas. The purity of oxygen can only be generated by… …   Wikipedia

• environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …   Universalium

• 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