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Ten 10 mL samples containing 0%, 4%, 16%, 28%, 40%, 52%, 64%, 76%, 88%, and 100% of CBr₄ (all by vol%) of the 1.5 × 10^-2M stock solution of CBr₄ are prepared by using the 1.0 × 10^-4M anthracene stock solution. See the text of this lab exercise for details.




To measure the fluorescence, use the Photometry method of the Hitachi F-7000 instrument. Set the excitation wavelength (EX) to 340nm and the emission wavelength (EM) to 398nm.