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Mantle weak magnet issue fix?
if the magent in the stirrer is 19.5mm then the magnet in the stir bar needs to be 19.5mm for maximu ... |
16-2-2021 at 22:41
by: macckone |
Primer compound alternatives
Hey Buddy,
The link you provided is going to be unusable for most people on this board.
It require ... |
16-2-2021 at 15:16
by: macckone |
Synthesis of Diethyl Ether
The high temperature catalytic route is usually not discussed because it is harder for the average p ... |
16-2-2021 at 14:56
by: macckone |
Removing acetone from chloroform
sodium metabisulfite will form an addition product with acetone.
The adduct is very soluble in wate ... |
16-2-2021 at 14:23
by: macckone |
magnesium aluminate refractory up to 1800C.
If you want to use clay, you can use the clay you have then add powdered mullite.
You are going to ... |
28-1-2021 at 17:24
by: macckone |
Maybe redundant topic, but is fire plasma ?
It is partially ionized gas, aka plasma.
It isn't pure plasma, like in a sustained electric arc.
I ... |
28-1-2021 at 16:38
by: macckone |
How to process very small volumes?
draculic,
If you live where drugs are decriminalized or legalized you see a lot of interesting thin ... |
27-1-2021 at 02:57
by: macckone |
How to clamp large flasks?
The flask itself is probably going to be fine up to at least 22L.
I lift 6 gal (about 22.7L) carboy ... |
27-1-2021 at 02:51
by: macckone |
What is this sludge in my perchlorate cell?
yobbo,
because the hydroxide and carbonate precipitates and CO2 is absorbed providing the 'acid'.
... |
27-1-2021 at 02:31
by: macckone |
Is there a route to glyoxal from oxalic acid in OTC products?
The most obvious is a strong reducing agent like lithium aluminum hydride.
Going from oxalic acid ... |
27-1-2021 at 02:12
by: macckone |
Homemade and Repurposed Lab Gear
I recently made a DIY overhead stirrer.
I got everything from amazon except the wall wart to power ... |
26-1-2021 at 15:50
by: macckone |
Urea
artemov,
Crashing out of water using alcohol as a cosolvent is useful for a number of purifications ... |
26-1-2021 at 15:32
by: macckone |
Klean Strip MEK discontinued?
sunnyside still makes MEK but it is not available in some states.
Toluene is restricted in mine and ... |
25-1-2021 at 13:27
by: macckone |
THIS WILL BE ILLEGAL IN FEBURARY 2021 (EU)
Hexamine fuel tablets are being replaced already.
Acetone - heat calcium acetate or oxidize isoprop ... |
15-1-2021 at 19:27
by: macckone |
Campa-chem original as formaldehyde source?
It is only blue if you use campa chem or add dye |
15-1-2021 at 19:17
by: macckone |
THIS WILL BE ILLEGAL IN FEBURARY 2021 (EU)
It isn't the end of home chemistry.
It just moves the goal posts.
This isn't exactly news. Ther ... |
15-1-2021 at 11:56
by: macckone |
Oxalate Stain Removal from Stainless Steel Question
use a power buffing wheel (regular sized or dremel).
Oxalic acid is a poor choice.
You likely etch ... |
14-1-2021 at 12:53
by: macckone |
filtering ammonia gas
bubbling carbon dioxide is less than optimal.
If you have an old coke or pepsi bottle, put the solu ... |
14-1-2021 at 11:41
by: macckone |
External heating for bath to allow use of magstir?
ps. by putting a stir bar in the beaker used as a heating bath, the bath gets stirred and it helps c ... |
14-1-2021 at 11:16
by: macckone |
External heating for bath to allow use of magstir?
boiling benzaldehyde does not require a vacuum.
The amount of benzoic acid created from the oxygen ... |
14-1-2021 at 11:14
by: macckone |
Campa-chem original as formaldehyde source?
Now you know why the meth is blue. |
13-1-2021 at 13:14
by: macckone |
External heating for bath to allow use of magstir?
Only mercury stirrer seals are really good for vacuum.
There are probably PTFE seals that work but ... |
13-1-2021 at 13:11
by: macckone |
Spontanious Cracking on New Branded Glassware ?
10C to 90C is 80C temp change.
That should be fine for 3.3 or lower expansion glass.
Good glas ... |
13-1-2021 at 13:05
by: macckone |
Sulphuric acid
I would use a double suck-back trap if I was going to do this.
Water and hot sulfuric acid are not ... |
12-1-2021 at 14:42
by: macckone |
Is it normal to get low yields all the time, or am I a bad organic chemist?
Practice helps a lot.
But some synthesis are poor yielding no matter what, regardless of what the p ... |
12-1-2021 at 14:33
by: macckone |
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