As the oxygen atoms on the surface of the polymolybdates are rather reactive, some lanthanides ions can readily incorporate into polymolybdates, resulting in precipitation instead of crystallization.

• 很明显地，在聚钼酸盐表面的氧原子是非常活跃的，一些稀土离子很容易与这些氧原子聚合形成沉淀形式而代替结晶。