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Thanks man! I plan on sending stuff in here for testing after the holidays when money frees up. I dont think any contamination remains just by the appearance alone. Im mostly concerned about solvant carry over due to incomplete drying, which is why I've stayed away from anything outside of class 3 solvents. Once I dial everything in and am happy with the process, I'll make a more detailed post with temps, time frames and materials needed.
Personally I trust what im doing way more than the Chinese raw manufacturers. They also have to recrystalize in the manufacturing process, and God only know what chemicals they use...
Yeah I dont see why not, test base has such a high melting point that you should be fine. I would let it air dry with moving air to get the bulk ethanol off it first. Don't want to make an explosive environment in your oven. I know ethanol vapors aren't good for you but compared to the other solvents its wayyyyyy easier to handle. Sometime you just catch a slight sweet scent of grapes and thats about it lolI'm all ready to perform this but with ethanol only and only on raws with high melting points.
Could probably bake the raws at a high temp to ensure ethanol evaporates while leaving the raws intact..still waiting for my TNE raws to arrive..
I think enanthate is the easiest ester to do if I'm correct I only briefly looked into it.One thing I would like to try is to add the ester onto test base with a Dean stark trap setup. So basically take cheap test base raws and turn them into test c or test e . Whats the worst that can happen lol. Stay tuned...
I bought a vacuum oven on ebay used really cheap. Though a good pump for this application that has solvent filters and cold traps can get expensiveI just picked up this bad boy, just slide it under the vacuum chamber pot and I'll be able to hold a rock solid temperature during drying +- 1C. Due to the latent heat of vaporization, those raws get super cold as the solvent evaporates and it slows down the process significantly
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This vacuum desicator was cheap on alibaba .you can use way lower heat under vacuum and make a mixed bed of desicant and activated charcoal to absorb moisture and chemicals.I'm all ready to perform this but with ethanol only and only on raws with high melting points.
Could probably bake the raws at a high temp to ensure ethanol evaporates while leaving the raws intact..still waiting for my TNE raws to arrive..
Hexane does seem to have a low evaporating temp pt but I'm not so sure how comfortable I am with using it..
Surprisingly enough the few chemicals it takes are fairly inexpensive and easy to source. Dean Stark trap is like $150 but I guess you can do it also with 4a mole sieves to absorb the water but there's really no way of telling when the reaction is completely finished that wayI think enanthate is the easiest ester to do if I'm correct I only briefly looked into it.
Nice setup btw!!This vacuum desicator was cheap on alibaba .you can use way lower heat under vacuum and make a mixed bed of desicant and activated charcoal to absorb moisture and chemicals.
Those work really well for a lot of applications. I have 1 very similar I used to use for rosin extraction from Canibus., this was my poor man's way of basically a vacuum oven lol.
Basically this vacuum pot on top of a PID hotplate lol
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Yeah I'm very happy with it luckily I already had the vacuum pump. I bought a lab wash bottle to repurpose as a cold trap but im not sure how well that will work. Maybe pack it some 13x mole sieves or something. Tired of changing vacuum pump oil everyday lol. Ethanol isent too bad but heptane turns that shit into a mess!Those work really well for a lot of applications. I have 1 very similar I used to use for rosin extraction from Canibus.
Ebay is loaded with used lab equipment at a fraction of the price. I just picked up a metlor toledo PH/ION meter for 200 bucks with the inpro probe and a milipore equinox sterility testing Peristaltic pump for 600 bucks.Nice setup btw!!
US solid has some good lab vacuum pumps with filters and all for way under normal price and they have really good stuff I have their moisture analyzer and mini centrifuge very good budget line.Yeah I'm very happy with it luckily I already had the vacuum pump. I bought a lab wash bottle to repurpose as a cold trap but im not sure how well that will work. Maybe pack it some 13x mole sieves or something. Tired of changing vacuum pump oil everyday lol. Ethanol isent too bad but heptane turns that shit into a mess!
My man! Keep us posted! If you find some new tricks, please let us knowI have some old test ace and base thats been sitting for years and was gonna toss it. You have inspired some experiments in the lab will report results.I will add MP and UV VIS absorbance pre and post
I might have missed it. Are you filtering the solvents and distilled or DI water your using to minimize bioburden in the finished productMy man! Keep us posted! If you find some new tricks, please let us know
So for water, I strictly use this usp grade endotoxin free sterile water. Pretty cheap. And I hot filter all the solvents when the raws are mixed in with a 1micon glass pad and a 0.1 micron ptfe filter underneath.I might have missed it. Are you filtering the solvents and distilled or DI water your using to minimize bioburden in the finished product
Also I clean all glass afterwards with liquinox and a foam brush, then rinse with 99.9% IPA. Non-liquid raws make a mess, especially ones with a high melting point. The IPA does a great job at stripping that off. Some times I could also boil the glass with liquinox if it was really stubborn.I might have missed it. Are you filtering the solvents and distilled or DI water your using to minimize bioburden in the finished product
