
Jan 01 2001 The chemical analysis of the tested barite indicated that it is composed of 94 BaSO 4 4 SiO 2 0.4 SrSO 4 0.2 Fe 2 O 3 0.05 MgO 0.2 CaO and 0.3 Al 2 O 3 The amount of barium sulfate indicated by the chemical analysis shows that the tested local barite is in accordance with the API requirements for barite 7 11 12 as shown in Table 2.