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Question

Posted on: March 6 2013

Terra Cortril suspension is still lacking until April. Is there a possibility to provide a locomotive for this?

Composition: Oxytetracyclini hydrochloridum (= Oxytetracyclinum 5.7 mg)-Hydrocortisoni acetas 17mg-Polymyxini B Sulfas (= polymyxinum B 11,400 U)-Alum. Tristearas. Paraffin. Liquid. -Pro 1g.

Answer

I believe that the various constituents are available except for Al Stearas. But this we could replace it by Mg or Zn stearate. Maybe best the last. It is only necessary to look for how much Zn stearate should be used to thicken liquid paraffin. When warming up the liquid paraffin, at about 120 ° C, Zn stearate will melt and when cool you get an oleogel. Problem is the amount of Zn stearate. I have not been able to find any value.

an alternative can be liquid paraffin with 4% Aerosil or with 25% White wax. This last figure seems to me to be on the high side. In either case, you can best assume half and add more if consistency does not meet.