stable bulk supply, worldwide delivery. ammonium thiocyanateGrades: 98%, 99%specification:ITEMSSPECIFICATIONAssay %≥99.0Heavy metals(Pb) %≤0.001Chloride(Cl-) %≤0.01Sulfate(SO42- ) %≤0.01Irom(Fe3+) %≤0.0002Ignition residue %≤0.06Moisture %≤1.8PH 4.5~6.0Shipped to Brazil,India,Indonesia,Korea etc. ammonium thiocyanate Reach preregistered.