水に対する溶解性 | |||||||||
NH4+ | Na+ K+ | Mg2+ | Ca2+ Ba2+ | Zn2+ Al3+ | Fe2+ Fe3+ | Pb2+ | Cu2+ | Ag+ | |
O2- | --- | ○ | × | △ | × | × | × | × | × |
OH- | ○ | ○ | × | △ | × | △ × | × | × | --- |
Cl- | ○ | ○ | ○ | ○ | ○ | ○ | △ | ○ | × |
SO42- | ○ | ○ | ○ | × | ○ | ○ | × | ○ | △ |
NO3- | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
CO32- | ○ | ○ | × | × | × --- | × --- | × | × | × |
PO43- | ○ | ○ | × | × | × | × | × | × | × |
CH3COO- | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | △ |