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  Titanium dioxide dispersion

  Posted by ssdc on June 3, 2015 at 5:58 am

  I need some help. I am using titanium dioxide dispersion for my sunscreen formulation. After formulating I did a centrifuge test to check on the stability and found that my formulation always separates and there is a white layer. I suspect that is the titanium dioxide. I was wondering if I can still do centrifuge test when using titanium dioxide dispersion?

  Bobzchemist replied 9 years, 6 months ago 4 Members · 5 Replies
• 5 Replies

• 

  Bobzchemist

  Member

  June 3, 2015 at 1:51 pm

  Probably not, if you are looking at emulsion stability 

• 

  OldPerry

  Member

  June 3, 2015 at 3:09 pm

  Conduct a standard stability test.

• 

  ssdc

  Member

  June 4, 2015 at 1:23 am

  by standard stability test you are referring to 5C, room temperature and 45C?

• 

  udziro

  Member

  June 8, 2015 at 9:35 am

  Stability test? Do you mean a a centrifuge test?

• 

  Bobzchemist

  Member

  June 8, 2015 at 1:52 pm

  No, centrifuges are mostly useless for determining stability.

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