I don't know if you got a satisfactory answer to your question. But I thought it would be relevant to say something about my experience.
I am using a magnetic heater/stirrer and sometimes there are large lumps in the media I am stirring. I found a product from Bel-Art that is a PS capsule to snap around the stirbar, so the bar can spin away and not be disurpted by large lumps. I did not want to use that plastic, so I got a 60 mm diam glass petri dish, put it at bottom with its top. Drilled some holes and I get the circulation and the protection of the stir bar I want. It would be more convenient though if the lid of the petri dish could be fastened to the lower - I would not be looking for a sterile seal, but just something to keep them together.
By the way, you can get stainless steel petri dishes (rosescientific.com) so presumably they could tolerate some minor fine and brief threading to accommodate a screw type lid.
On Thursday, January 17, 2013 at 6:15:15 PM UTC-5, Sebastian wrote:
-- I am using a magnetic heater/stirrer and sometimes there are large lumps in the media I am stirring. I found a product from Bel-Art that is a PS capsule to snap around the stirbar, so the bar can spin away and not be disurpted by large lumps. I did not want to use that plastic, so I got a 60 mm diam glass petri dish, put it at bottom with its top. Drilled some holes and I get the circulation and the protection of the stir bar I want. It would be more convenient though if the lid of the petri dish could be fastened to the lower - I would not be looking for a sterile seal, but just something to keep them together.
By the way, you can get stainless steel petri dishes (rosescientific.com) so presumably they could tolerate some minor fine and brief threading to accommodate a screw type lid.
On Thursday, January 17, 2013 at 6:15:15 PM UTC-5, Sebastian wrote:
Anyone come across petri dishes that are autoclavable and have a screw cap or other air tight seal? I hate using plastic dishes. Land fills hate it too. Jars tend to be too space consuming. Most other vessels have space-hungry designs.
Sebastian S Cocioba
CEO & Founder
New York Botanics, LLC
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