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Product Name: Tellurium dioxide
Molecular Formula: TeO2
Use: For the preparing II-VI compound semiconductor, thermoelectric conversion element, refrigerating element, etc.
Property: White crystal. Slightly soluble in water, soluble in strong acid and alkali. Density is 5.49～6.02g/cm3. Melting point is 733℃. Boiling point is 1260℃. Can sublimate at 450℃.
Specification: 'This data is only for reference'
|
Item |
Index |
Measured Value |
|
TeO2 % |
≥99．9 |
99.92 |
|
Copper (Cu) ppm |
≤5 |
0.0005 |
|
Zinc (Zn) ppm |
≤4 |
0.0003 |
|
Bismuth (Bi) ppm |
≤5 |
0.0004 |
|
Iron (Fe) ppm |
≤20 |
0.0015 |
|
Tin (Sn) ppm |
≤90 |
0.0020 |
|
Antimony (Sb) ppm |
≤80 |
0.0080 |
|
Arsenic (As) ppm |
≤90 |
0.0020 |
|
Chrome (Cr) ppm |
≤90 |
0.0080 |
|
Selenium (Se) ppm |
≤90 |
0.0060 |
|
Magnesium (Mg) ppm |
≤90 |
0.0050 |
|
Lead (Pb) ppm |
≤200 |
0.0190 |
|
Calcium (Ca) ppm |
≤300 |
0.0200 |
|
Conclusion |
Qualified | |
Tel: +86-21-56517503 56502257(Fax)
QQ: 2686127450
Email: 2686127450@qq.com
Add: (Baoshan Chengshi Industrial Zone) No. 16, Lane 555, Chengyin Road, Baoshan District, Shanghai, China
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