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DIY melting point apparatus
Sure thermocouples can be inaccurate. Just build a correction table into from output voltage to temp ...
30-5-2024 at 21:46
by: wxyz
Very cheap 400KV,DC HV generator
I note that the description of the device now says "400KV 400000V" so it could be anywhere in that r ...
19-12-2022 at 20:34
by: wxyz
Some practical questions about Grignard reactions
[rquote=673239&tid=158575&author=SplendidAcylation]
1) How long does the Grignard reagent n ...
4-5-2022 at 14:08
by: wxyz
PdCl[sub]2[/sub]
[rquote=670648&tid=158338&author=Cryolite.]Are you sure what you have is PdCl2? All of mine ...
17-2-2022 at 20:47
by: wxyz
Method for demethylation of secondary amine?
Maybe you can make the amine temporarily tertiary by adding benzyl group, then remove the group you ...
20-3-2021 at 19:51
by: wxyz
Just bought an FTIR Spectrometer
[rquote=641322&tid=155503&author=Brunton] I also noticed that the laser beam is hitting the ...
17-3-2021 at 21:09
by: wxyz
Crystallisation - truly a dark art
[rquote=649475&tid=156563&author=Eddygp]
Imagine my surprise when a complex that had failed ...
7-3-2021 at 19:31
by: wxyz
Pumping any Liquid through Teflon Tubes - Affordable Compression Fitting Valves?
You can use common stainless compression fittings and valves for plastic tubing, if you are willing ...
3-3-2021 at 17:55
by: wxyz
Reduce cinnamaldehyde to hydrocinnamaldehyde
Catalytic hydrogenation with Pd/C will reduce double bonds, usually without affecting aldehydes. On ...
31-12-2017 at 18:29
by: wxyz
Removal of Oxygen & Carbon Dioxide from Air (Glovebox Design)
[rquote=184058&tid=14250&author=aliced25]Yeah, but this is only part of the system I am thin ...
2-3-2015 at 18:16
by: wxyz
Fourier transform spectroscopy
Hi,
I am also very interested in "building" a FTIR spectrometer. Actually, I have made some progre ...
7-4-2012 at 11:38
by: wxyz
Oxygen Sensor for Glove Box or Other use?
[rquote=226142&tid=17879&author=unionised]I haven't checked but, to be much use as a power s ...
2-11-2011 at 21:34
by: wxyz
Oxygen Sensor for Glove Box or Other use?
Thanks for all the replies!

The garbage bag method sounds great: simple and efficient. I am going ...
30-10-2011 at 09:48
by: wxyz
Oxygen Sensor for Glove Box or Other use?
Thanks for the reply. I wasn't so much worried about pulling a hard vacuum as the box collapsing und ...
28-10-2011 at 18:38
by: wxyz
Oxygen Sensor for Glove Box or Other use?
So This all started when I landed a huge glove box at a local auction for only $100. It is made of c ...
28-10-2011 at 10:12
by: wxyz
do it yourself hydrogenation
Thanks a lot for the clarification. When I get conflicting information from different sources I usua ...
7-2-2011 at 11:48
by: wxyz
do it yourself hydrogenation
[rquote=200818&tid=15413&author=smuv]Reduction of a styryl group is a snap with Pd/c at room ...
6-2-2011 at 20:21
by: wxyz
what do you use to store iodine/bromine
[rquote=200883&tid=15452&author=hkparker]I store Iodine in a amber glass jar with a plastic/ ...
6-2-2011 at 11:45
by: wxyz
what do you use to store iodine/bromine
Thanks for the pointer to the bottles. And I like that tightly closed box with sodium thiosulfate id ...
6-2-2011 at 11:05
by: wxyz
what do you use to store iodine/bromine
I once had bottle of 25g iodine from some chemical manufacturer. After about 10 or 15 years the iodi ...
6-2-2011 at 10:29
by: wxyz

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