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◇ 化学式:H2WO4
◇ 外观:黄色或绿黄色之散状粉末,无结块和机械夹杂物。
◇ 粒度:装比重<1克/厘米3
◇ 化学成份(%):
三氧化钨>90 倍半氧化物 0.02 钼 0.02 磷 0.01 氯化残渣 0.1
水 份>10 氧 化 钙 0.02 砷 0.02 硫 0.02
◇ 用途:用于制造硬质合金、钨丝和特种钢材
1.Formula:H2WO4
2.Appearance:It is a yellow or greenish-dispersed powder which does not
contain any nubs and mechanical inclusions.
3.Particle size:The apparent density of the tungstic acid is <1g/cm3
4.Chemical composition(%)
WO3 >90 Sesquioxide R2O3
0.02 Mo 0.02 P 0.01 Chloride residue 0.1
Mositure<10 CaO 0.02 As 0.02 S 0.02
5. Uses:The tungstic acid is used in the preparations of the hard alloys,tungsten
wires and specific steels.
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