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Author: Subject: Community Project - Destroy a funnel!
itsafineday
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[*] posted on 31-3-2019 at 06:26
Community Project - Destroy a funnel!


I bought a funnel from an exotic far off land . Unfortunately the funnel has some issues that slipped by quality control and in order to get a replacement or refund I have to furnish a pic of the funnel destroyed. This is in support of their policy not to sell used glassware.

I think it would be a fun learning experience to make a video destroying the funnel with chemistry . This is a 120mm thick wall glass funnel. I would love to hear ideas about how to creatively destroy this funnel. I don't have the best stock of chemicals . I can buy some stuff or ship the funnel to someone with better chems and skills (as long as I get to ask dumb questions).

I think it would be a very cool thread to see just what sciencemadness can do to this funnel!



[Edited on 31-3-2019 by itsafineday]

IMG_20190331_103549.jpg - 912kB




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Metacelsus
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[*] posted on 31-3-2019 at 06:47


Some good old thermite would certainly do the trick. You could also use molten NaOH or KOH to dissolve it.



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XeonTheMGPony
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[*] posted on 31-3-2019 at 07:07


what is the problem, looks like a funnel to me.

if it survives going from hot water to cold water it is fine.
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itsafineday
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[*] posted on 31-3-2019 at 10:09


There is a venturi effect created by disparity of the funnel aperature and stem diameter.




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Ubya
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[*] posted on 31-3-2019 at 12:32


Quote: Originally posted by itsafineday  
There is a venturi effect created by disparity of the funnel aperature and stem diameter.


wait what?
do you mean it doesn't form a water "lock" (aka the stem doesn't fill with liquid)?





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itsafineday
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[*] posted on 31-3-2019 at 13:14


The hole in the bell of the funnel is much smaller than the diameter of the stem it feeds . It ends up aerating the liquid
rather than whirling smoothly without getting gassed up. It "sprays" into the stem.

[Edited on 31-3-2019 by itsafineday]




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Heptylene
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[*] posted on 31-3-2019 at 14:11


Dissolve it in molten NaOH?
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[*] posted on 31-3-2019 at 14:39


Maybe because it is a powder funnel, not intended for transferring liquids
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[*] posted on 31-3-2019 at 14:46


Tie a knot in the stem.

Or pack it really well, drop it from a high building. Then unpack it and hit it with a hammer.




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Vomaturge
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[*] posted on 31-3-2019 at 20:42


When I read "destroy a funnel," I thought of this. Not that it helps you (safety, legality, cost, having a picture of funnel afterwards etc...) Don't ask me why I've viewed that thread, when I never plan any experiments like that:o
I really wonder how important having a solid stream is, anyhow. Even with a good funnel, the flow often breaks up before reaching the bottom of the container. Unless, that is, the tip of the funnel is submerged. I'd say, keep it as and save them money, and you shipping delays
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[*] posted on 1-4-2019 at 02:17


well the hole could be easily drilled with a diamond tip




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Herr Haber
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[*] posted on 1-4-2019 at 03:08


Send it to me so I can test my ball mill :)
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itsafineday
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[*] posted on 1-4-2019 at 04:21


Quote: Originally posted by Vomaturge  
When I read "destroy a funnel," I thought of this. Not that it helps you (safety, legality, cost, having a picture of funnel afterwards etc...) Don't ask me why I've viewed that thread, when I never plan any experiments like that:o
I really wonder how important having a solid stream is, anyhow. Even with a good funnel, the flow often breaks up before reaching the bottom of the container. Unless, that is, the tip of the funnel is submerged. I'd say, keep it as and save them money, and you shipping delays


Yeah, I know what you mean, explosives are boring and I can't imagine anyone having any interest in them. Actually that's sarcasm . I can remember going door to door for spare change in a montana trailer park when I was 6 years old just so I could buy some fireworks at the fireworks stand. Crazy I was successful, too.









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itsafineday
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[*] posted on 1-4-2019 at 04:44


All you "Save The Funnel" folks are making me feel guilty. If Herr Haber can make it a good funnel with a ball mill then he can have it and I don't need to get a refund. I would want to see a pic of it all prettified and functional .



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[*] posted on 1-4-2019 at 05:49


I dont know if I can make a good funnel out of it but I can certainly solve RogueRose ground glass problem :D
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[*] posted on 12-4-2019 at 13:41


https://www.youtube.com/watch?v=nmktRTHL1NA

I'm new here, but this looks promising.




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[*] posted on 12-4-2019 at 14:54


It is a powder funnel.
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unionised
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[*] posted on 13-4-2019 at 02:10


Quote: Originally posted by Tsjerk  
It is a powder funnel.

No it's not.
Powder funnels have big holes + wide bore stems.
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[*] posted on 13-4-2019 at 03:19


OK, my bad.
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