This paper deals with studies on the removal of fluoride by using bark of drumstick and its leaves. The above said adsorbents are effective defluoridating agents and therefore used in the diet through cooked leaves and its vegetables. 2007

This paper deals with a comparative study on the fluoride removal capacity of readily and cheaply available five kinds of materials-calcium, phosphate, magnesium and magnesium carbonate. Among these materials aluminium phosphate is the most efficient defluoridating agent. 2007