THEPNUAN, D.; PHROMSENJAI, P.; KRASITNITIKUL, P.; INSIAN, W. Optimized Conditions of Acid Digestion Procedure for Metals Determination in PM2.5 Samples by ICP-OES. Burapha Science Journal, Chonburi, Thailand, v. 29, n. 3 September-December, p. 1033–1046, 2024. Disponível em: https://li05.tci-thaijo.org/index.php/buuscij/article/view/538. Acesso em: 2 sep. 2026.