Molecular formula: BaF2
Molecular weight: 175.33
Properties: colorless cubic crystal; relative density4.89; Melting point1355°C; lightly soluble in hot water; soluble in acid and ammonium chloride
To use: For manufacturing of motor brush, optical glass, light-guide fibre, laser generator, fluxing agent, coating and enamel; as wood preservative and pesticide
Product quality: reference standard
Item | Index | ||
top grade | 2nd grade | 3rd grade | |
barium fluoride ,% ≥ | 99.99 | 99.9 | 98 |
sulfur ,% ≤ | 0.001 | 0.005 | 0.1 |
phosphorus,% ≤ | 0.001 | 0.005 | 0.01 |
lead ,% ≤ | 0.001 | 0.005 | .0.01 |
mercury ,% ≤ | 0.001 | 0.005 | 0.001 |
acid (HF) , % ≤ | 0.20 |