• quadrupole
  • Also, mass spectrometry is categorized by approaches of mass analyzers: magnetic-sector, quadrupole mass analyzer, quadrupole ion trap, time-of-flight, Fourier transform ion cyclotron resonance, and so on. (wikipedia.org)
  • By 1966 Finnigan and collaborator Mike Uthe's EAI division had sold over 500 quadrupole residual gas-analyzer instruments. (wikipedia.org)
  • chemical
  • Overall, the interface is a mechanically simple part of the LC-MS system that transfers the maximum amount of analyte, removes a significant portion of the mobile phase used in LC and preserves the chemical identity of the chromatography products (chemically inert). (wikipedia.org)
  • process
  • Perfluoromethyldecalin can be manufactured by the Fowler process, which involves moderating the action of elemental fluorine with cobalt fluoride in the gas phase from methylnaphthalene. (wikipedia.org)
  • compounds
  • Measured concentrations and mass flows of phenolic endocrine disruptors, particularly nonylphenolic compounds, bisphenol A and parabens in municipal wastewater effluents and in the Glatt River, Switzerland, show that rain events leading to discharges of untreated wastewater into rivers have a great impact on the riverine mass flows of contaminants. (royalsocietypublishing.org)
  • chemicals
  • Toxaphene is a mixture of over 670 different chemicals and is produced by reacting chlorine gas with camphene. (wikipedia.org)
  • development
  • V.L. Tal'roze and collaborators started the development of LC-MS in the early 1970s, when they first used capillaries to connect LC columns and MS ion sources. (wikipedia.org)
  • Toxicity
  • In: Tran L, Bañares MA, Rallo R (eds) Modelling the Toxicity of Nanoparticles. (ufz.de)
  • times
  • It is a greenhouse gas with warming properties more than 7,000 times that of carbon dioxide over a 100 year period, and, as such, is the most potent greenhouse gas ever discovered. (wikipedia.org)