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乐投国际米兰俱乐部-乐透letou最新网站-letou乐投体育

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