wg48temp9
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Cheap pressure equalizing addition funnels ebay
Rex-scientific has some cheap 100mL addition funnels for sale on Ebay 24/29 PTFE stopcock for £5.69 They also have 50mL ones only £2 each if you buy
4.
I am wg48 but not on my usual pc hence the temp handle.
Thank goodness for Fleming and the fungi.
Old codger' lives matters, wear a mask and help save them.
Be aware of demagoguery, keep your frontal lobes fully engaged.
I don't know who invented mRNA vaccines but they should get a fancy medal and I hope they made a shed load of money from it.
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wg48
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Wow Rex are fast now as the have a depot in the UK.
My 50ml addition funnels arrived this morning just a few days since I ordered them. Fast but inaccurate they are 19/26 not 24/29 joints.
They do have PTFE stopcocks., very nice I must say, should I get some 19/29 glass to go with them.
It will cost me more for an adapter or stopper than a funnel.
PS: excellent problem correction service after contacting them they have already refunded my costs.
I do have some PTFE blocks I wonder how hard it can be to turn and drill PTFE.
[Edited on 14-1-2019 by wg48]
Borosilicate glass:
Good temperature resistance and good thermal shock resistance but finite.
For normal, standard service typically 200-230°C, for short-term (minutes) service max 400°C
Maximum thermal shock resistance is 160°C
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Texium
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I'm sure you could probably find a single 19/26 stopper and a 19-24 adapter for pretty cheap if you keep looking. It's not like you need one for
every funnel.
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Ubya
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if it wasn't for the 20$ shipping cost to my house it would be a great deal
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wg48
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I see they have changed the ad to 19/26 and the free post to £14.50. Sorry I guess you missed the original ad. Apparently they sold 22 so perhaps
some other members got lucky. Thinking about it if its $20 post for four its still a good price if you want four and with PTFE stopcocks.
[Edited on 14-1-2019 by wg48]
Borosilicate glass:
Good temperature resistance and good thermal shock resistance but finite.
For normal, standard service typically 200-230°C, for short-term (minutes) service max 400°C
Maximum thermal shock resistance is 160°C
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