阳离子:Al3+,Fe3+,Fe2+等等
阴离子:S2-,HS-,CO32-,HCO3-,AlO2-等等
3AlO2-+Al3++6H2O=4Al(OH)3 (沉淀标箭头)
3S2-+2Al3++6H2O=2Al(OH)3(沉淀标箭头)+3H2S(气体标箭头)
S2-+2Fe3+=S+2Fe2+
阳离子:Al3+,Fe3+,Fe2+等等
阴离子:S2-,HS-,CO32-,HCO3-,AlO2-等等
3AlO2-+Al3++6H2O=4Al(OH)3 (沉淀标箭头)
3S2-+2Al3++6H2O=2Al(OH)3(沉淀标箭头)+3H2S(气体标箭头)
S2-+2Fe3+=S+2Fe2+