ACID DIPHOSPHATES M&lt;SUB&gt;2&lt;/SUB&gt;(H&lt;SUB&gt;2&lt;/SUB&gt;P&lt;SUB&gt;2&lt;/SUB&gt;O&lt;SUB&gt;7&lt;/SUB&gt;)&lt;SUB&gt;2&lt;/SUB&gt; (M = Ni, Co, Zn)-CRYSTAL STRUCTURE AND DEHYDRATION BEHAVIOUR
Phosphorus research bulletin