anatase tio2 manufacturers
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2025-08-15 00:20
2316
Conclusion
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2025-08-15 00:17
493
Natural barite and anthracite containing more than 95% barium sulfate are mixed and fed at a ratio of 3:1 (mass). After being crushed to a diameter of less than 2cm, it enters the reduction furnace. The furnace temperature is controlled to be 1000-1200°C in the front section and 500-500 in the back section. 600°C, the reduction furnace rotates at a speed of 80 seconds per revolution, and the reaction conversion rate is 80% to 90%.
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2025-08-15 00:13
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I will now describe some typical methods of practicing my invention, whereby lithopone of any desired grade may be produced. One of the known grades of lithopone as prepared and mixed for the trade contains sev- 6o enteen per cent. of zinc sullid. To produce this grade and a by-product of hydrosulfid of sodium, for example, I proceed as follows: The usual precautions, it will be understood, mustbe taken in preparing or for insuring the purity of the several ingredients used; but these preliminaries do not require description here. Separate aqueous solutions of the following ingredients in the proportions named are prepared: zinc sulfate, one x hundred and sixty-one pounds; barium sulfid, three hundred and thirty-eight pounds, and sodium bisulfate one hundred and twenty pounds. These ingredients, it will be recognized, are readily soluble in water. The separate solutions are then mixed and the following chemical reaction at once takes place:
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2025-08-15 00:05
2537
Land, Location and Site Development
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2025-08-14 23:45
2776
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2025-08-14 23:05
1367
What does this court ruling mean for regulation?
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2025-08-14 22:55
2228
Lithopone supplier: Synthesis method of lithopone
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2025-08-14 22:53
2309
It's also worth noting that even prior to the EU decision, France had already outlawed titanium dioxide in food back in January 2020.
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2025-08-14 22:43
1652
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1121
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2025-08-14 22:11
1121