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Originally Posted by
Ketone_force
Thanks man for the valuable info.
So if i am using a pressure cooker:-
I have to use a vegetable steamer basket to hold vials. 121 C for 15 min (I will do 30 min). let it cool, drain the water and start the flame again to let the vials dry.
Now I have to pull the vials one by one use a sterile instrument & put the stopper.
I am right or should I do something else.
You don't have to throw away your vials, you can probably use that gear. If you want to be extra careful just re-filter them.
Yeah you need some distance between the water and the vials and equipment that you're sterilizing. Easy and cheap way is to get a vegetable steam basket or something to put the stuff on.
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Originally Posted by
Enigma
Guess what? Even autoclaving won’t kill some of those bacterial spores. Some need to be coaxed out of their protective “shells” by being exposed to moisture, giving them a false sense of security. THEN they can be killed with “sterilizing” temps. Even dry heat.
But, everything in your tutorial is great.
Didn't notice a flow hood in your list of most important things. As I keep saying, all these procedures are moot if done in open atmosphere.
Pinning dirty gear isn’t going to hurt anyone...until it does.
Yeah some bacteria is a pain in the ass to get rid of. The pressure and heat will destroy the spores though. Dry heat isn't recommended. Majority of people still use their oven though.
I mostly wrote it for "kitchen chemists" That's why I didn't mention flow hood. It's pretty nice to have one but TBH it's not crucial as long as you're careful. Oil and vials don't have much contact with the "outside" anyways.
It's easy to build a flow hood though.
"Pinning dirty gear isn’t going to hurt anyone...until it does." Lol very true!
I recommend you guys to only make gear for like 6months or at most 12 months.
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So I should collect all the gear in a beaker, reheat it and filter through .2 micron PVDF filter in new vials.
This will do the job
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Originally Posted by
Ketone_force
So I should collect all the gear in a beaker, reheat it and filter through .2 micron PVDF filter in new vials. This will do the job
Tbh I don't think you have to do it. I wouldn't, but it's up to you.
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so guy I followed method explained by THX and every thing went perfect. Used sterile water for the cleaning and boiling as well. Thanks THX.
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