E-mail: marketing@krasgermanium.com
Package
Double polyethylene bag packed in a plastic bucket (capacity of 10 or 12 litres) containing GeO2 net weight:
Outer package - cartoon box.
Send request|
Quality parameters (analisys) |
Mark GeO2 electronic |
|
Chemical purity, % weight, not less |
99,9999 |
|
Apparent density, g/cm3 |
1,15 - 1,7 |
|
Sum of ignition loss (Т=800˚С), diried at Т=105˚С, not more than, % weight |
2,0 |
|
Fe content, not more than, % weight |
2 х 10-5 |
|
Cr content, not more than, % weight |
5 х 10-6 |
|
Mn content, not more than, % weight |
2 х 10-6 |
|
Ni content, not more than, % weight |
2 х 10-6 |
|
Co content, not more than, % weight |
2 х 10-6 |
|
Pb content, not more than, % weight |
1 х 10-5 |
|
Mass fraction of chloride content (Cl-), %, not more than, % weight |
0,01 |
|
Grain size, um |
Not more than 30 |
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Quality parameters |
Marks |
||
|
Mark 1 (overdyed) |
Mark 2 (calcined) |
Mark 3 (fine) |
|
|
Chemical purity, % weight, not less |
99,9999 |
99,9999 |
99,9999 |
|
Metal impurities content, sum (As, Co, Cr, Cu, Fe, Mn, Ni), not more than, % weight. |
0,0001 |
0,0001 |
0,0001 |
|
Apparent density, g/cm3 |
0,5-1,0 |
0,5 - 1,0 |
0,5-0,7 |
|
Sum of moisture and ignition loss, not more than, % weight |
- |
0,5 |
0,5 |
|
Loss at ignition (Т=800˚С) of dioxide dried at Т=105˚С, not more than, % weight |
3,0 |
- |
- |
|
Moisture content (Т=105˚С), not more than, %, weight |
0,5 |
- |
- |
|
Chlorine content (Cl-) not more than, % |
0,05 |
0,05 |
0,01 |
|
Standard solubility in water according to test, not less than, % weight |
99,9 |
- |
99,9 |
|
Solubility in ethyleneglycol according to test, not less than, % weight |
99,9 |
- |
- |
|
Grain size, um |
Less than 20, average 10 |
Less than 10, average 2-3 |
|
|
Quality parameters |
Mark GeO2 standard |
|
Chemical purity, not less % weight |
99,9999 |
|
Apparent density, g/cm3 |
1.3-1.7 |
|
Sum of moisture and ignition loss, not more than, % weight |
3.0 |
|
Chlorine content (Cl-) not more than, % |
0.05 |
|
Metal impurities content (As,Co,Cr,Cu,Fe, Mn,Ni) not more than, % weight. |
|
|
Sum of (As, Co, Cr, Cu, Fe, Ga, Mn, Ni, Al, Si, Mg) not more than, % weight |
0.0001 |
|
Standard solubility in water according to test, not less than, % weight |
|
|
Solubility in ethyleneglycol according to test, not less than, % weight |
|
|
Grain size, um |
less than 50, average 30 |
