Students determine the concentration of sodium sesquicarbonate in an alkaline laundry detergent though a combination of an acid-base titration and thermal gravimetry, both of the thermal decomposition and the decomposition by reaction with acid.
The full citation is here: Koga, N., Kimura, T., Shigedomi, K. J. Chem. Educ. 2011, 88, 1309–1313 and a link to the article is provided below (subscription to the journal required).
