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Message Icon Topic: How to disolve TiO2 Post Reply Post New Topic
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anhnt79
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Quote anhnt79 Replybullet Topic: How to disolve TiO2
    Posted: 28 September 2007 at 10:11am

Please help me to disolve TiO2. I used H2SO4 98% but do that not much effecient.

Thank in advance!
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mnstd
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Quote mnstd Replybullet Posted: 13 December 2007 at 1:36pm
Please tell me why do you want to dislove TiO2.
Thank you
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msewjm
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Quote msewjm Replybullet Posted: 25 December 2007 at 2:13am
You may try HF acid, if you donnot mind the toxicity.
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msewjm
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Quote msewjm Replybullet Posted: 25 December 2007 at 2:14am
You may try HF acid, or HF and HNO3 mixed acid, if you donnot mind the toxicity of HF.
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Yvon
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Quote Yvon Replybullet Posted: 02 January 2008 at 3:33pm
Hi there!
Why do you want to dissolve titania?
The literature suggests mineral acids, such as nitric or acetic acid to promote the reformation of rutile from anatase. I've tried this and an opaque suspension results, ie, the bulk of the material was not dissolved.
Use of lye (sodium hydroxide) has been reported to dissolve titania to reform the material as hydrogen titanate nanosheets, nanotubules, etc...
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