EDTA AcidCAS:60-00-4 CAS:60-00-4 Packing:25kg woven bag Purity:NLT 99.0% Chlorid(CL):NMT0.05% Sulfate(So4):NMT0.05 Fe:NMT0.001% Heavy metal(Pb):NMT0.002% PH(50g/L,25C):4.0-5.0 Trisodium NTA:NMT0.1%