@article{article381189b8, title = {Chemical analysis of household oxygen-based powdered bleach: an engaging approach to teaching sampling of heterogeneous materials and addressing statistics}, author = {Santos, Mauro S. F and Baccaro, Alexandre L. B and Batista, Guilherme I and Lopes, Fernando Silva and Gutz, Ivano Gebhardt Rolf}, year = {2018}, doi = {10.1021/acs.jchemed.7b00364}, journal = {Journal of Chemical Education} }