Delivery time:3-4 working days after confirmation of your order Payment term:TT% in advance or Irrevocable L/C at sight Phthalic acid:1.Specifications: Requirement:Result:Assay,percent99.80%Cloride(Cl),percent:≤0.002Sulfate(SO4),percent:≤0.002Ferric(Fe),percent:≤0.0005Lead(Pb),percent:≤0.001Ignition residue,percent:≤0.02