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recharging dehumidifier r410a//r134a//propane
Considering that a refrigerant leak is the cause of the unit's failure, you may be exposing yourself ...
23-10-2019 at 05:23
by: Praxichys
Constructing a Hershberg stirrer
Just [url=https://blogs.sciencemag.org/pipeline/archives/2009/12/15/manfred_christl_rides_again_bonu ...
23-10-2019 at 04:17
by: Praxichys
high sensitivity low explosives
[rquote=624802&tid=154209&author=Sulaiman]You are effectively making a firearm ... consider ...
23-10-2019 at 04:14
by: Praxichys
Na-Ga metal miscibility
The neat thing is that it should be possible to grow crystals of sodium from gallium by making a sol ...
22-10-2019 at 11:45
by: Praxichys
Change in weight due to the moons gravity.
I was interested so I broke out the calculator:

Standard 2-body gravitational equations were used ...
22-10-2019 at 10:26
by: Praxichys
Sizing Rashig rings for Hempel column
I don't meant to hijack the thread but here are the details of my apparatus/process:

The distilla ...
22-10-2019 at 07:03
by: Praxichys
Sizing Rashig rings for Hempel column
A 700mm Hempel column is total overkill for most of those things. The problem with a column that big ...
21-10-2019 at 06:55
by: Praxichys
I quit using cannabis to be a safer chemist.
Take it from someone who has been a habitual drinker to say that the mental clarity that comes from ...
21-10-2019 at 06:01
by: Praxichys
bioreduction of ketones to chiral alcohols with carrot slices
Two can play at that game.

[img=300x200]https://i.imgflip.com/3dl08z.jpg[/img][img=300x200]https: ...
17-10-2019 at 08:37
by: Praxichys
Cleaning a florence flask
You can also add soapy water and a handful of rock salt, then shake vigorously to scour the sides.
17-10-2019 at 06:01
by: Praxichys
bioreduction of ketones to chiral alcohols with carrot slices
Just as long as nobody mistakes it for soup. :D

Have you assessed the chirality of the product at ...
16-10-2019 at 11:56
by: Praxichys
Mass and Weight
The techniques in that .pdf are fascinating. It amazes me how much science is behind something so de ...
16-10-2019 at 04:11
by: Praxichys
Polypropylene Storage Container VOCS
My wife bought me a cheap shower curtain from China (yes, it was a periodic table) and it reeked of ...
14-10-2019 at 08:35
by: Praxichys
Vigreux column: 200mm vs. 300mm
[rquote=624302&tid=154163&author=Sulaiman]I've only used Hempel columns
(air condenser(s) p ...
14-10-2019 at 06:16
by: Praxichys
Denominator vs numerator - getting confused on which is which
[quote]Bottles per gallon would be 32/128[/quote]

No. I think your disconnect is a misunderstandi ...
9-10-2019 at 12:01
by: Praxichys
Burnt hotplate cord
If you're worried about it, just cut out the damaged part and make the cord shorter. I've done this ...
8-10-2019 at 05:12
by: Praxichys
Denominator vs numerator - getting confused on which is which
Unit analysis is your friend. I would suggest watching some videos on that. Have you reached algebra ...
2-10-2019 at 10:00
by: Praxichys
Boric oxide/Carbon at 1000C to Diborane?
What did they use in that paper? A platinum boat, perhaps? If I've done my research correctly, boric ...
1-10-2019 at 09:46
by: Praxichys
Missing persons
I am beginning to think so, too. I'm coming from a 150Mbps connection and by the last machine poll w ...
30-9-2019 at 10:29
by: Praxichys
Missing persons
That lab no longer exists, unfortunately. I ran out of time to make lab videos in mid 2018 while loo ...
30-9-2019 at 09:22
by: Praxichys
Detonator casing physics
I use these as detonator cases and they are cheap and work extremely well:

[url=https://www.ebay. ...
27-9-2019 at 11:03
by: Praxichys
Electric initiator
I used to clip the tips off christmas lights. These days, it's easier just to buy electric matches f ...
27-9-2019 at 06:34
by: Praxichys
Processing lead from batteries - finding a method that works
You probably already know this but lead ingots on ebay are like 50-60 cents per pound, shipping incl ...
25-9-2019 at 09:11
by: Praxichys
Thioacetic acid / thioacetates source
What about creating a disposable H2S generator, one where maybe some disposable reaction container l ...
25-9-2019 at 09:06
by: Praxichys
Ammonium formate from Ammonium chloride
You can always use a gas washing bottle to absorb the ammonia directly into ice-cold water to elimin ...
25-9-2019 at 08:45
by: Praxichys
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