Colority

  20MAX

H₃PO₄

   85%      MIN

Chloride as Cl

   0.0005%   MAX

SO₄

   0.005%    MAX

Iron as Fe

   0.0015%   MAX

H3PO3

   0.0125%   MAX

Arsenic as  AS

0.00005%  MAX

Heavy metal as Pb

   0.001%    MAX

Fluoride as F

   0.001%    MAX

Appearance

 Colorless