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CRC handbook

CRC Handbook of Chemistry and Physics



Question:
Find azeotropic data for the binary system of chloroform and acetone.

  1. Here's another example of a CRC Handbook search but with a couple of twists. First, it's a binary mixture of two compounds rather than a single substance. Fortunately, the search method is pretty much the same.

    But there's another wrinkle: if you search the trivial name chloroform in this context, you get no hits. If you were to stop here, you'd fail to find the data. This is a perfect example of the problem with searching chemical names. Chloroform, it turns out, is more accurately named trichloromethane, which is the name that is used in the CRC's azeotropic data table section. Use that instead (or its formula CHCl3), and you get the hit you need!

  2. Enter the terms in the Search form. Since there are only two boxes, put both chemical names in one connected by AND.

    CRC search box
  3. The resulting table has several lines where trichloromethane is a component in an azeotropic mixture. One of those is with acetone.

    CRC azeotropic table
  4. To interpret the table data, you may need to view the PDF version of the entire handbook section, which contains an explanatory introduction and source references.

    preface   ... legend


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