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ION TESTE REACTIF UTILISE COULEUR DU FORMULE DU
PRECIPITE PRECIPITE
CI- Ag+ Précipité blanc qui noircit
A<td
à la lumière
Cu 2+ OH- Précipité bleu G.t.CoHh
Fe 2+ OH- Précipité vert ç:- Co H }l.
Fe 3+ OH- Pécipité orange Fe.
(oH h
Zn2+ OH- Précipité blanc (OH):z.
S042- Ba 2+ Précipité blanc S-O