PHOSPHORIC ACID

P₂O₅                                      : 52 54%        (W/W)             

SO₃                                        : 2 - 4 %         (W/W)                             

CaO                              : 0.16 0.5%    (W/W)                              

Fe₂O₃                                    : 0.5 2.5%      (W/W)                              

Al₂O₃                                     : 0.7 2.0%      (W/W)

MgO                             : 0.6 1.0%       (W/W)

F                                  : 0.35 1.5%     (W/W)

SiO_{2                                       :} < 0.12%        (W/W) max.

Cl                                 : < 250 PPM    (W/W) max.

Solid Content                 : < 2%            (W/W) max.

Na₂O                            : 0.01 0.02%    (W/W)