... % solution)6.0-8.0Ignition residue % max0.005Fe % max0.0002Sulfate(SO4) % max0.003Heavy Metal (Pb) % max0.0001ALIAS: Sodium Rhodanide, Sodium Sulfocyanate, Sodium Rhodanate, Sodium Isocyanate, sodium ... it from being deliquescent. Separated from acides, bases and oxidants. Sodium Rhodanide solution