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Using a 24/40 flask with my other 24/29 glassware
Thanks.
I can use this 24/40 flask then.
Its a nice flask and its a hazzle returning it. |
17-7-2020 at 12:04
by: Mateo_swe |
Extracting Ephedrine from Ma hung tea
Some of the Ephedra that grows in USA and Europe might not be high in Ephedrine and PseudoEpedrine b ... |
17-7-2020 at 11:41
by: Mateo_swe |
Using a 24/40 flask with my other 24/29 glassware
So i recieved my latest glassware order from ebay.
One flask, a dual neck 2000ml rbf has the wrong ... |
17-7-2020 at 09:41
by: Mateo_swe |
Homemade and Repurposed Lab Gear
And you have good light when doing the experiment.
Well, maybe not so fun if a flask with ethanol a ... |
16-7-2020 at 14:05
by: Mateo_swe |
Polypropylene funnel considerations
For these situations its good to have some compability charts for plastics and chemicals.
Here is 2 ... |
16-7-2020 at 08:34
by: Mateo_swe |
Vacuum glass implosion?
I often use flat bottomed round flasks for vacuum filtration with fritted funnels that has vacuum ni ... |
16-7-2020 at 08:24
by: Mateo_swe |
In case anyone's curious about acid burns, I spilled a small amount of boiling RFNA on my arm.
It shows that it instantly does damage where it touches the skin.
A small area like this on the arm ... |
16-7-2020 at 07:52
by: Mateo_swe |
Storage of Nitrocellulose
Thank you for all info.
I have done some reading and some say to store it wet.
The powder i have s ... |
16-7-2020 at 06:49
by: Mateo_swe |
HotPlate Branding
Someone should do a nice writeup how to make a DIY heating mantle of the replacement inner sleeves.
... |
15-7-2020 at 03:57
by: Mateo_swe |
HotPlate Branding
There is situations where those cheap hotplate stirrers can very well be used.
If you only do small ... |
15-7-2020 at 03:31
by: Mateo_swe |
Using reactor flasks as desiccators?
There isnt an O-ring on most desiccators.
Maybe on the plastic ones but the glass ones usually only ... |
15-7-2020 at 03:13
by: Mateo_swe |
Building a magnetic stirrer need advice.
You must be able to construct some kind of frame and then you can put some thin stainless steel plat ... |
14-7-2020 at 13:33
by: Mateo_swe |
NH4NO3 from N2, water and light
It sounds interesting, but you probably need very specialized equipment to make those nano wire surf ... |
14-7-2020 at 12:55
by: Mateo_swe |
HotPlate Branding
Hotplate/stirrers is one of those items where a used, working good brand one is a better investment ... |
14-7-2020 at 12:27
by: Mateo_swe |
Using reactor flasks as desiccators?
I have bought a Chinese desiccator with ceramic plate and a glass vacuum valve on top.
But it does ... |
14-7-2020 at 11:48
by: Mateo_swe |
latest glassware purchase
Is that 25, 50 or 100ml bottles?
That was a good price for 40 of those bottles.
That type is very ... |
14-7-2020 at 11:13
by: Mateo_swe |
Homemade and Repurposed Lab Gear
So a bunsen burner alternative, yes maybe it could be.
And the ring on top is a support for a flask ... |
14-7-2020 at 11:04
by: Mateo_swe |
Vacuum glass implosion?
Yeah, those are made for vacuum.
Its quite amazing how much strength the round shape adds to a stru ... |
14-7-2020 at 10:48
by: Mateo_swe |
How long can I store ethyl bromide in a mason jar at room temperature?
You could always make a "earth cellar".
If you dig a deep hole somewhere that are always in the sha ... |
14-7-2020 at 10:11
by: Mateo_swe |
Vacuum glass implosion?
I read that one should not use flat bottomed round flasks when using vacuum but never heard someone ... |
14-7-2020 at 09:40
by: Mateo_swe |
ZnCl2 + Al -> AlCl3
[rquote=638961&tid=155642&author=Opylation]I’m wondering if feeding the reaction into an i ... |
14-7-2020 at 09:23
by: Mateo_swe |
Storage of Nitrocellulose
Reading about a member here having an accident with some red P i started thinking about how i store ... |
14-7-2020 at 08:40
by: Mateo_swe |
Homemade and Repurposed Lab Gear
- Probably an electric bunsen burner
Well, the "Rim", or what it could be called (the metal circl ... |
14-7-2020 at 00:31
by: Mateo_swe |
The Wump Incident
This is very good info what can happen with just a minor quantity chemicals when not knowing what yo ... |
14-7-2020 at 00:13
by: Mateo_swe |
Homemade and Repurposed Lab Gear
Hmm, i dont think that a sulfur burner for indoor garden pest treatment would look like this.
It lo ... |
12-7-2020 at 11:43
by: Mateo_swe |
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