[1] L Hu J, Y Qi, G Wang Y et al. Environment International, 73, 413(2014).
[2] A Chaplygin V, S Mandzhieva S, M Minkina T et al. Journal of Geochemical Exploration, 174, 113(2017).
[8] M Belli, C Galas, S Gaudino et al. Accreditation & Quality Assurance, 12, 84(2007).
[10] Naeem Kashif, Akhter Perveen, Yawar Wasim et al. Journal of Saudi Chemical Society, 14, 125(2010).