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Bismuth oxide 99.9% & Bi2O3 99.99% min. for for varistor and thermistor,for glass cover of kinescope usage,
Regarding Bismuth Trioxide99.9% min.,spec:
Bi2O3: 99.9% min.
Sb: 20ppm max.
Fe: 10ppm max.
Pb: 10ppm max.
Cu: 10ppm max
As: 10ppm max.
Si: 10ppm max.
Hg: 10 ppm max.
Cd: 10 ppm max.
Cr: 10 ppm max.
D50: 0.2um around.
Bismuth Oxide (Bismuth trioxide, Bi2O3, bi oxide, bismuth)
1.0 Materials Description: Bismuth Oxide
2.0 Physical Requirements:
2.1 CAS Number:1304-76-3
2.2 Melting point: 820 ° C
Boiling point: 1890 ° C
3.0 Chemical Requirements
3.1 Purity: Bi:99.5%
3.2 Impurity: (%)
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Nitric acid iolubles
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<0.005%
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Sulfate
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<0.01%
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Chloride
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<0.005%
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Fe
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<0.01%
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N
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<0.003%
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Cu
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<0.0050%
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4.0 Packaging: In drums of 25kgs net each or as requested.
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Description
