Search results

• Molecular sieve
  ...sieves are also used in size exclusion chromatography (SEC) to to separate molecules by size.
  976 bytes (118 words) - 14:40, 14 July 2023
• Membrane filter
  ...lecules, such as water, solvents and ions, to pass while preventing larger molecules. Membrane filters usually have a pore size of 8 - 100 angstroms. They are u
  962 bytes (124 words) - 13:20, 18 October 2022
• UV/Vis spectroscopy
  ...depends on the degree of conjugation and the nature of substituents on the molecules. In conservation science, this technique is most useful for the identificat
  1 KB (170 words) - 12:48, 20 June 2023
• Van der Waals force
  A weak attractive force between atoms or nonpolar molecules. van der Waals forces are due to dipole interactions. They are much weake
  314 bytes (43 words) - 10:35, 16 October 2022
• Liquid crystal polymer
  A polymer, such as an [[polyamide|aramid]] (synthetic polyamide), whose molecules maintain a crystalline formation even when in a liquid state (solution or m
  469 bytes (59 words) - 14:39, 21 January 2014
• Mass spectrometry
  ...sample either with a beam of electrons (electron ionization) or with small molecules such as methane (chemical ionization). The initial ion, called the molecula
  2 KB (226 words) - 12:32, 20 June 2023
• Alternating copolymer
  A copolymer in which the molecules of different monomers alternate as repeating units in the polymeric chain.
  459 bytes (55 words) - 10:54, 26 April 2022
• Gas
  1) A state of matter in which the molecules move freely and randomly. The molecules rapidly expand to fill the volume of any container. Gases mix freely with o
  2 KB (206 words) - 14:01, 2 August 2022
• Drawn yarn
  ...is stretched after the extrusion process. This process orients the polymer molecules in the direction of the filament axis and thereby making the fiber more ela
  585 bytes (78 words) - 15:04, 22 July 2022
• Sulfonated oil
  ...ric acid]]. This adds water soluble sulfonic end groups to the fatty acid molecules. Sulfonated oils are used to introduce [[fatliquor|fatliquor]] hides there
  609 bytes (88 words) - 12:38, 10 May 2016
• Wicking
  ...pillary action. Capillary action is caused by the attraction of the liquid molecules to each other and to the solid surface.
  589 bytes (80 words) - 10:23, 27 June 2022
• Dehydration
  ...emistry) A chemical reaction that results in the loss of one or more water molecules (H2O) from a chemical compound.
  708 bytes (91 words) - 10:58, 18 July 2022
• Maltose
  A common disaccharide composed of two [[glucose|glucose]] molecules. Maltose occurs naturally in [[starch|starch]] and [[glycogen|glycogen]]. M
  781 bytes (104 words) - 14:04, 1 October 2022
• Disazo dye
  A class of synthetic organic pigments formed by two coupled arylide molecules. Disazo condensation pigments were first developed in Europe in the mid 195
  822 bytes (116 words) - 09:59, 30 October 2020
• Size exclusion chromatography
  ...) uses a separation column filled with a porous, semisolid material. Small molecules pass quickly through the column while larger particles are slowed by their
  981 bytes (123 words) - 13:07, 31 May 2022
• Condensation (chemical)
  A type of chemical reaction in which two or more molecules combine resulting in the formation of a larger molecule and the elimination
  950 bytes (121 words) - 12:07, 4 July 2022
• Tautomerization
  A form of isomerism in which two organic molecules interconvert forms by the transfer of a hydrogen atom and the related doubl
  862 bytes (113 words) - 08:59, 8 June 2022
• Fluorescence spectroscopy
  ...a beam of light, usually ultraviolet light, that excites the electrons in molecules of certain compounds and causes them to emit light; typically, but not nece
  1 KB (164 words) - 12:55, 20 June 2023
• Organometallic compound
  A class of substances in which the molecules contain at least one metal-to-carbon bond. Organometallic compounds contain
  1 KB (158 words) - 09:12, 27 September 2022
• Fluorocarbon
  ...f organic compounds in which fluorine replaces one or more of the hydrogen molecules. Fluorocarbons are resistant to heat, flame, chemicals, moisture and oxidat
  1 KB (150 words) - 16:08, 21 August 2022

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)