VERMA, Ruchi. QUALITATIVE ANALYSIS OF MANGANESE (II) IONS: SENSITIVE, SELECTIVE AND TIME EFFECTIVE METHOD. SCHOOL SCIENCE, [S. l.], v. 54, n. 4, p. p.7–9, 2026. Disponível em: https://ejournals.ncert.gov.in/index.php/SS/article/view/5159. Acesso em: 26 jul. 2026.