Kedu ọrụ Sodium Metabisulfite na-arụ n'ịgwọ mmiri mkpofu ụlọ ọrụ

1. Sodium metabisulfite bụ ihe na-ebelata, nke a na-eji agwọ mmiri mkpofu nwere chromium na ọgwụgwọ nsị.
2. A ghaghị ịgwọ mmiri mkpofu nwere chromium iche dị ka ụkpụrụ mba si dị, a pụghịkwa ịwụpụ ya na ọdọ mmiri agbakwunyere na mkpokọta chromium hexavalent agaghị adị elu karịa 0.1.
3. Ya mere, ebe mgbada nke sodium metabisulfite dị na mmiri nke chromium nwere mmiri mkpofu iji belata hexavalent chromium ka ọ bụrụ trivalent chromium wee mee ka ọ daa.