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We should start a petition to remove iodine as a List I drug precursor in the US
Indeed iodine can be easily made from KI, and probably other readily available iodides. I think it ...
21-10-2017 at 11:46
by: Magpie
We should start a petition to remove iodine as a List I drug precursor in the US
[rquote=495165&tid=77591&author=Diachrynic][rquote=495111&tid=77591&author=ninhydric ...
20-10-2017 at 14:13
by: Magpie
Is recycling worth it?
This is a fantastic discussion and would get an A+ as a class paper. I'm sorry I have nothing to co ...
16-10-2017 at 10:35
by: Magpie
Slow high torque electric motors for stirrer?
Thanks for the suggestion, Melgar. I had no idea Arduinos were so cheap.

I have sent for compone ...
16-10-2017 at 10:33
by: Magpie
Slow high torque electric motors for stirrer?
The 555 timer circuit that I have used for years does not work anymore. I have been troubleshooting ...
15-10-2017 at 15:15
by: Magpie
Slow high torque electric motors for stirrer?
I have decided to upgrade my stepper motor mixer using a huge motor: Oriental Motor's PKP296D45AA, w ...
15-10-2017 at 05:40
by: Magpie
Preparation of elemental phosphorus
Yes, condenser design is important and less than optimum design was the cause of many of my troubles ...
14-10-2017 at 03:40
by: Magpie
Preparation of elemental phosphorus
First the P4 must be condensed using a proper condenser. Then it will drop out the bottom of the cy ...
14-10-2017 at 00:11
by: Magpie
Tour My Lab
Beautiful lab. I like the epoxy bench top.

I wouldn’t worry about cutting a hole in your roof ...
13-10-2017 at 20:40
by: Magpie
From KJ/mole to Celsius
[rquote=494498&tid=77505&author=BaFuxa]


I know the different bonds dissociation energie ...
13-10-2017 at 07:48
by: Magpie
US 2nd amendment right to freedom of expression
I heartily support the 2nd amendment rights of the constitution. I believe it is the foundation of o ...
11-10-2017 at 15:14
by: Magpie
US 2nd amendment right to freedom of expression
I heartily support the 2nd amendment rights of the constitution. I believe it is the foundation of o ...
11-10-2017 at 11:13
by: Magpie
Preparation of elemental phosphorus
My suggestions are for producing clean P at high yield, not for convenience of the operator.

Use ...
11-10-2017 at 10:27
by: Magpie
Preparation of elemental phosphorus
I like your design, but would make a few changes:
1. Change carbon to aluminum.
2. Monitor all ...
11-10-2017 at 04:23
by: Magpie
oleum & SO3
new confirm test





[Edited on 11-10-2017 by Magpie]
10-10-2017 at 19:46
by: Magpie
What was your first organic chem experiment?
Benzene from NaOH and benzoic acid:

1. NaOH + benzoic acid + heat ---> Na benzoate + H2O

...
10-10-2017 at 15:19
by: Magpie
Unfreezing glass joints?
I just freed a very tight 24/40 joint of an adapter with a Chemglass 250ml rbf.

I had sealed the ...
10-10-2017 at 14:21
by: Magpie
Unfreezing glass joints?
1. Try rapping with wood dowel.
2. Cool inner piece with ice water, solid CO2 in acetone, or liqu ...
9-10-2017 at 17:36
by: Magpie
Preparation of elemental phosphorus
Yes PH3 is due to the presence of water. I don't know how phosphine is formed from water and P.

...
8-10-2017 at 16:37
by: Magpie
oleum & SO3
[rquote=493650&tid=727&author=Magpie]I made oleum at 10X scale today, 60g as predicted. I h ...
8-10-2017 at 16:21
by: Magpie
oleum & SO3
picture test

[file]61837[/file]

This works! Used Paint to reduce size of a picture that woul ...
8-10-2017 at 16:04
by: Magpie
Preparation of elemental phosphorus
Damn that retort is hot, metal researcher! Thanks for this fine video. Yes, that is PH2-PH2 burnin ...
8-10-2017 at 15:22
by: Magpie
oleum & SO3
[rquote=493987&tid=727&author=NEMO-Chemistry][rquote=493650&tid=727&author=Magpie]I ...
8-10-2017 at 13:46
by: Magpie
Preparation of elemental phosphorus
yes, I believe the intimate contact provided by molten aluminum/SHMP greatly augments the reaction r ...
6-10-2017 at 07:47
by: Magpie
Very OTC Sodium NItrite
NaNO2 can be bought very cheaply at Ace hardware where salts are used to brine salmon eggs.

[Edited ...
6-10-2017 at 07:39
by: Magpie
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