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1、常见物质溶解性 K+Na+NH4+Ca2+Mg2+Ag+Hg22+Pb2+Hg2+Bi3+Cu2+Cd2+As3+Sb3+Sn2+Sn4+Al3+Cr3+Fe3+Fe2+Mn2+Ni2+Co2+Zn2+Ba2+Sr2+OH-水水水略溶HClHClHNO3－HNO3－HClHClHCl－HClHCl不溶HClHClHClHClHClHClHClHClHCl略溶HClCO32-水水水HCl略溶HNO3HNO3HNO3HClHClHClHCl－－－－－－－HClHClHClHClHClHClHClSO42-水水水微溶水略溶略溶不溶略溶略溶水水－HCl
2、水－水水水水水水水水不溶不溶SO32-水水水HCl水HNO3HNO3HNO3HCl－HClHCl－－HCl－HCl－－HClHClHClHClHClHClHClPO43-水水水HClHClHNO3HNO3HNO3HClHClHClHCl－HClHClHClHClHClHClHClHClHClHClHClHClHClNO2-水水水水水热水水水水－水水－－－－－－水－水水水水水水NO3-水水水水水水略溶HNO3水水略溶HNO3水水－－－－水水水水水水水水水水O2-水水－略溶HClHClHNO3HNO3HNO3HClHNO3HClHClHClHClH
3、ClHCl略溶HClHClHClHClHClHClHClHClHClHClS2-水水水水水HNO3王水HNO3王水HNO3HNO3HNO3HNO3浓HCl浓HCl浓HCl水解HCl水解HClHClHClHClHNO3HNO3HCl水水CN-水水水水水不溶－HNO3水－HClHCl－－－－－HCl－不溶HClHNO3HNO3HCl略溶HCl水草酸盐C2O42-水水水HCl水HNO3HNO3HNO3HClHClHClHCl－HClHCl水HClHClHClHClHClHClHClHClHClHClF-水水水不溶HCl水水略溶HNO3水HCl略溶HC
4、l略溶HCl－略溶HCl水水水水略溶HCl略溶HClHClHClHClHCl略溶HClI-水水水水水不溶HNO3略溶HNO3HClHCl略溶水水水解HCl水水解HCl水水水水水水水水水水Br-水水水水水不溶HNO3不溶水水解HCl水水水解HCl水解HCl水解HCl水解HCl水水水水水水水水水水Cl-水水水水水不溶HNO3沸水水水解HCl水水水解HCl水解HCl水解HCl水解HCl水水水水水水水水水水AsO33-水水水HClHClHNO3HNO3HNO3HClHClHClHCl－－HCl－－－HClHClHClHClHClHClHClHClAsO
5、43-水水水HClHClHNO3HNO3HNO3HClHClHClHCl－－HClHClHClHClHClHClHClHClHClHClHClHClBO2-水水水略溶HClHNO3－HNO3－HClHClHCl－－HCl－HClHClHClHClHClHClHClHClHCl略溶SiO32-水水水HClHClHNO3－HNO3－HClHClHCl－－－－HClHClHClHClHClHClHClHClHClHCl酒石酸C4H4O62-水水水HCl水HNO3略溶HNO3HNO3HClHCl水HCl－HClHCl水水水水HCl略溶HClHCl水HC
6、lHClHClCrO42-水水水水水HNO3HNO3HNO3HClHCl水HCl－－HCl－－HCl水－略溶HClHClHCl水HCl略溶Fe(CN)64-水水水水水不溶－不溶－－不溶不溶－－－不溶－－不溶不溶HCl不溶不溶不溶水水Fe(CN)63-水水水水水不溶－不溶不溶－不溶不溶－－不溶－－－水不溶不溶不溶不溶HCl水水S2O32-水水水水水HNO3－HNO3－－－水－－水水水－－水水水水水HCl水CNS-水水水水水不溶HNO3HNO3水－HNO3HCl－－－水水水水水水水水水水水CH3COO-水水水水水略溶水水水水水水－－水水水水水水水水
7、水水水水常用的各种指示剂名称In本色MIn颜色浓度适用pH范围被滴定离子干扰离子铬黑T蓝葡萄红与固体NaCl混合物(1:100)6.0～11.0Ca2+,Cd2+,Hg2+,Mg2+,Mn2+,Pb2+,Zn2+Al3+,Co2+,Cu2+,Fe3+,Ga3+,In3+Ni2+,Ti(Ⅳ)二甲酚橙柠檬黄红0.5%乙醇溶液5.0～6.0Cd2+,Hg2+,La3+,Pb2+,Zn2+-2.5Bi3+,Th4+茜素红黄-2.8Th4+-钙试剂亮蓝深红与固体NaCl混合物(1:100)>12.0Ca2+-酸性铬紫B橙红-4.0Fe3+-甲基百里酚蓝灰
8、蓝1%与固体KNO3混合物10.5Ba2+,Ca2+,Mg2+,Mn2+,Sr2+Bi3+,Cd2+,Co2+,Hg2+,Pb2+,Sc3+,Th4+
