Jiang, F., Ren, F., Liao, Q., Fang, F., & Yi, T. (2014). Novel Functional Mesoporous Silicas for Separating and Pre-Concentrating Trace Chromium Ion in Fireworks and Firecracker. Asian Journal of Chemistry, 26(12), 3519–3521. https://doi.org/10.14233/ajchem.2014.16147