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NFPA Diamond inconsistencies
For magnesium turnings, it depends on the size of the turnings as well as impurities.
coiled magnes ...
30-11-2020 at 03:04
by: macckone
Magnetic Stirrer
It looks like it is too small for the magnet on the stir plate.
So it is getting one pole stuck to ...
30-11-2020 at 02:37
by: macckone
Resistance of PVC tubing to common ether vapors
deathhunter,
PVC != Aluminum

PVC will act like a sponge for solvents.
Even at low levels.

Mo ...
30-11-2020 at 02:10
by: macckone
Fume hood motor
Most blowers designed for hydroponics are brushless and have coated windings to reduce corrosion.
O ...
30-11-2020 at 02:00
by: macckone
Steel wool on hot plate for even heating??
BBs are your friend.
You can easily get copper coated shot.
Solid copper shot is going to be harde ...
30-11-2020 at 01:38
by: macckone
Is there a limit to what alcohols you can make with the grignard reaction? steric hinderance?
The short answer is stearic hinderance will prevent the formation of increasingly bulky alcohols.

...
30-11-2020 at 01:19
by: macckone
3v cap
PS. it is christmas season again.
Christmas mini light bulbs are 3.5v and have nice leads and the f ...
29-11-2020 at 13:49
by: macckone
Electrolysis with high voltage and plasma "electrode"
Fluorite,
High voltage discharge tends to eat electrodes pretty quickly.
See Electrical Discharge ...
29-11-2020 at 13:26
by: macckone
Do not buy from laboyglass.com
Covid has had far reaching consequences, not the least of which is shutting down call centers or sev ...
29-11-2020 at 13:18
by: macckone
3v cap
You can buy tungsten wire.
A glass cutter is about $5 and will make that job a lot easier.
Score t ...
29-11-2020 at 13:14
by: macckone
Resistance of PVC tubing to common ether vapors
Ether is incompatible with PVC. You say it is thin so I would expect rapid deterioration.
You also ...
29-11-2020 at 12:43
by: macckone
Do not keep illegal drugs for personal use in your house, if you do chemistry as a hobby
It goes without saying don't do anything illegal and you have less issues.
Fortunately here they ha ...
29-11-2020 at 12:26
by: macckone
Weird scent from electrolysis of sodium hydroxide solution. Any ideas as to what it could be?
drain cleaner often has fragrance in it. no clue why but it does.
between aerosols and god knows w ...
25-11-2020 at 09:32
by: macckone
Glass syringe needles?
there are teflon needles on amazon but you have to buy 500 and they are expensive for a pack.
24-11-2020 at 17:40
by: macckone
Are hexane and petroleum ether interchangeable?
There is a video of a similar procedure with gasoline on extractions & ire channel.

https://w ...
22-11-2020 at 21:46
by: macckone
How to prevent mold in a home made evaporative cooler?
Pyro cat,
That would work.
The turbidity of the water would have to be managed and it has to be at ...
22-11-2020 at 21:37
by: macckone
Glassware PLUS joints?
It is a UK based brand: https://aplusinterchange.com/
20-11-2020 at 15:30
by: macckone
Have just started a scientific glassblowing company in eastern Washington state
Clear_horizons_glass,
I submitted a request via the web form.
Do you do work in silica or just bor ...
13-11-2020 at 14:42
by: macckone
Citric acid to Isopropanol. Possible method?
decomposition reactions are always messy.
Pyrolysis of wood as a classic example.
The primary prod ...
13-11-2020 at 14:39
by: macckone
Covid vaccine results
Tsjerk,

To some extent they can. More importantly the government gets to decide.
For example th ...
13-11-2020 at 14:12
by: macckone
Covid vaccine results
Dr Bob,
I agree with the mired in politics.
The pfizer vaccine is really promising.
I just don't ...
11-11-2020 at 21:38
by: macckone
Getting the sulfur smell out of glassware and reagent bottles
Yes, toluene and xylene need a phase transfer catalyst to be oxidized by hypochlorite.
A lot of mer ...
11-11-2020 at 21:23
by: macckone
Make Sodium Hypochlorite from Calcium Hypochlorite?
20% can be used but you want to keep it on ice and slowly add the acetone.
Once the initial reactio ...
11-11-2020 at 07:31
by: macckone
Ammonia from sodium hydroxide & urea. what would be the by-product cyanide or carbonate?
If the reaction is performed dry you get cyanate that rearranges to cyanide as the temperature rises ...
10-11-2020 at 21:58
by: macckone
Covid vaccine results
The russian vaccine does not appear to have been through sufficient testing for most countries to al ...
10-11-2020 at 21:33
by: macckone
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