Custom Scientific Instruments (CSI) introduced its CL400 ChemiLume™ about a year ago, and it is described at length in ATLAS Sun Spots, v. 25 #50, 1st/2nd Quarter, 1995, p. 13-14. This instrument is used to evaluate the oxidative stability of materials by measuring chemiluminescence, or light emission caused by thermal oxidation. As organic material is heated in an oxygen-rich atmosphere, a weak light signal is emitted due to formation and decay of electronically excited carbonyl groups. This computerized instrument is 10 or 20 times faster than oven aging at comparable temperatures, and it can analyze four samples at once.
For more information, contact Custom Scientific Instruments Inc., 862 Summer Avenue, Newark NJ 07104 (973/412-8200, fax 973/412-8201, Email csitest@aol.com)
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