... 6381-59-5, masking agent, complexing agent potassium tartrate tetrahydrate, CAS No.6381-59-5 TECHNICAL ... DATA SHEET Sodium potassium tartrate tetrahydrate Chemical nature Chemical name Sodium potassium tartrate tetrahydrateMolecular formula ... ) %, ≤0.03Fe %, ≤0.002As %, ≤0.0002Application Sodium potassium tartrate tetrahydrate is used as masking agent, complexing agent, etc ...