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  • catalyst
  • in organic liquids is an improvement over the use of When the desolvated-catalyst residue is heated to about aqueous catalyst solutions because it reduces by-product 100° C. for one hour with slightly more than the theoreti formation, e.g., the formation of acetaldehyde by reaction 40 cal amount of dilute aqueous NaOH, an amoniacal odor of acetylene with water. (docme.ru)
  • ions
  • Mass spectrometry ( MS ) is an analytical chemistry technique that helps identify the amount and type of chemicals present in a sample by measuring the mass-to-charge ratio and abundance of gas-phase ions . (worldheritage.org)
  • process
  • They are used to process liquids, slurries, or granular substances. (globalspec.com)
  • It is believed that most of the copper A mixture of non-volatilized lay-products accumulates in present as cuprous cyanide or cyanide complexes is not the reactor and will 'soon stop the process unless it is converted to cuprous oxide by the digestion with aqueous removed. (docme.ru)
  • contains
  • When a racemic mixture of L- and D-isomers of amino acids is passed through this sorbent, it acts as a chiral filter owing to "steric recognition" of one of the enantiomers, so that the filtrate contains an optically pure product (isomer). (deepdyve.com)
  • More particularly, it relates to a method for preparing a non-pollution solvent which never or scarcely contains aromatichydrocarbons having various problems of safety and the like but which nevertheless has a high dissolving power for a resin, a surface active agent or the like. (patentgenius.com)
  • present
  • Historical storage and disposal practices mean that chlorinated solvents can be present in substantial amounts beneath former manufacturing and tertiary industrial sites. (environmental-expert.com)
  • another
  • In addition to the purchasing cost of the hazardous solvents, the issue of waste disposal is another concern. (mdpi.com)