Table 1 Oxide composition (mass %) of equine bone samples calcined at different temperatures.

From: Influence of calcination temperature on equine bone hydroxyapatite structure and lead adsorption efficiency

Oxides

CaO

P₂O₅

MgO

SrO

ZnO

HA-100

84.409

10.550

0.580

0.284

0.137

HA-500

77.564

20.864

0.594

0.085

0.045

HA-900

86.861

11.443

0.799

0.113

0.023