... :It is used as the raw material for producing potassium nitrate, mining explosive and picric acid; as nitrification agent for producing ... IIndex ItemIndex Superior GradeGrade I Qualified Grade Content of barium nitrate (on dry basis), %, ≥ 99.5 99.3 98.5Moisture, %, ≤ 1 ... dry basis), %, ≤ 0.01 0.02 0.15Content of sodium nitrate (on dry basis), %, ≤ 0.05 0.10 --Fe content, %, ≤ --- 0 ...