Looking for help with electric vacuum and bottle top filtration process

[deepak]

Thank you brother 5%peg 300/400 would be enough for winny suspension 75mg/ml ???

 

[Giru]

Call me crazy, but i use 20% peg400 hahahaha. It works like a charm! My recipe is 25% BB, 2% BA, 2% PS80, 20% peg400, the rest Physiological serum


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[deepak]

So with your recipe it can hold winny suspension @100 mg/ml ???

 

[Giru]

No bro. I don't know that. I do mine at 50mg/ml. I am not a big fan of big concentrations. Normally they are painfull in oil, i dont wanna imagine that in suspension ehehhe


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[deepak]

No problem bro .I will try for 75mg/ml .I hope it will work with the recipe you gave me.

 

[deepak]

Do you mix ps80 in physiological serum separately or you put BA,BB,peg 400, winny raw,ps80 in beaker.i asked bcoz some people mix ps80 in water and some not.

 

[Giru]

Deepak i mix winny,ps80,peg400 and until get a clear solution at about 320F. Then let it cool down. When it is at 100-90C ii filter it to a 250ml bottle, add ba and the the serum


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[Giru]

Deepak i mix winny,ps80,peg400 and until get a clear solution at about 320F. Then let it cool down. When it is at 100-90C ii filter it to a 250ml bottle, add ba and the the serum


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Close the bottle with the screw and shake like crazy for 5 min. Then is done


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[marecki_urs]

Guys , how about filter membranes in Nalgene Rapid Flow ? Is it possible to get a PTFE - type ? Im using lot of EO , also guaiacol ,peg 400, and trying my best to prevent filter melting after contact with solvents/cosolvents. How about those Nalgene Membranes , will they stand all solvents/cosolvents without melting a membrane ?