TITANIUM DIOXIDE
|
Indexes |
Standard for grades |
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|
Grade 1 |
Grade 2 |
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|
Type 1 |
Type 2 |
Type 1 |
Type 2 |
Type 3 |
|
|
Mass fraction of TiO2, %, min |
98,5 |
98 |
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|
* Mass fraction of anatese form, % , min |
97 |
97 |
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| Mass fraction of Fe2O3, %, max |
0,02 |
0,03 |
0,02 |
0,03 |
0,05 |
| Mass fraction of SiO2, %, не более |
0,03 |
0,2 |
0,03 |
0,05 |
0,2 |
| * Mass fraction of Pb, Sb, As, each, %, max |
0,002 |
0,002 |
0,002 |
0,002 |
0,002 |
| * Mass fraction of Cu, %, max |
0,001 |
0,001 |
0,001 |
0,001 |
0,001 |
| *Mass fraction of P2O5, %, max |
0,01 |
0,01 |
0,005 |
0,005 |
0,005 |
| * Mass fraction of SO3, %, max |
0,008 |
0,008 |
0,008 |
0,008 |
0,008 |
| Mass fraction of volatiles, %, max |
0,5 |
0,5 |
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| pH of aqueous slurry |
4-6 |
4-6 |
2,5 - 3 |
2-3 |
|
| Stability of aqueous slurry |
no standardize |
90 |
80 |
no standardize |
|
| * Acidity,g HCL/g TiO2, min |
no standardize |
0,0025 |
no standardize |
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| Whitеness, standard unit, min |
no standardize |
95 |
92 |
90 |
|
