PAC powder buying requirement from Australia

We are quote for 200 tons to umm qasr port cif.

Aluminium (a12o3) ≥ 29.0
Basicity (%) 40.0-90.0
Water insoluble matter ≤ 0.6
Ph (1% water solution) 3.5 - 5. 0
Arsenic (as) ≤ 0.0002
Lead (pb) ≤ 0.001
Cadmium (cd) ≤ 0.0002
Mercury (hg) ≤ 0.00001
Sexivalent chromium (cr6+) ≤ 0.0005