Nuoc cung nha gi

Minhhoangus21 Apr, 2022News

N??c c?ng l? lo?i n??c ch?a h?m l??ng ch?t kho?ng cao, ch? y?u l? hai ion canxi (Ca2+) v? magie (Mg2+). N??c c?ng ???c h?nh th?nh khi n??c ng?m th?m qua nh?ng l?p ?? v?i, ?? ph?n, ho?c th?ch cao m? nh?ng lo?i ?? n?y v?n ch?a l??ng l?n ion canxi v? magie ? d?ng h?p ch?t cacbonat, hydro cacbonat, sulfat. Trong n??c c?ng c?ng c? th? ch?a c?c ion s?t; khi b? oxy h?a, nh?ng ion n?y s? xu?t hi?n d??i d?ng v?t ? n?u ?? tr?n b? m?t v?t li?u tr?ng men ho?c v?i s?i. Ngo?i ra, nh?ng ion kim lo?i kh?c nh? stronti, nh?m, bari, mangan, k?m c?ng c? th? g?y ra hi?n t??ng n??c c?ng, nh?ng v? h?m l??ng trong n??c c?a nh?ng ion n?y th??ng r?t th?p n?n xem nh? kh?ng ??ng k?.

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