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Air rifle pump for pressurizing catalytic hydrogenation vessel?
Ordinary cylinders of hydrogen are normally sold in pressures around 140-180 bar, and I carried out ... |
5-4-2017 at 06:51
by: PirateDocBrown |
Compression of gases (H2) by ATMs - how it works
Gods, please learn to work in the Metric System.
PV=nRT, the Ideal Gas Law, can be used to approx ... |
5-4-2017 at 06:17
by: PirateDocBrown |
whats better for storing Toluene?
I see no reason to move it.
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3-4-2017 at 12:51
by: PirateDocBrown |
N Methyl cleavage
Add a little chili pepper, call it "Chili P", and adopt the street name of "Cap'n Cook". |
3-4-2017 at 08:06
by: PirateDocBrown |
Mishap - Pyrex jugs can't withstand heat from a butane blowtorch
This guy seems to have found a good solution:
https://www.youtube.com/watch?v=QKFC0ke_DOU |
2-4-2017 at 18:56
by: PirateDocBrown |
Solubility of salts in mixed acid
Yes, I usually get the fertilizer grade nitrates, but have never had a problem recrystallizing them. ... |
2-4-2017 at 12:50
by: PirateDocBrown |
Solubility of salts in mixed acid
Where are you? In the US, NH4NO3 can be gotten in moderate amounts (1-2 kg) by mail order. Some gun ... |
2-4-2017 at 09:50
by: PirateDocBrown |
(DIY) bushing/reducing adapter, 40/38 to 24/29
Use a rubber stopper. Wrap it up completely with Teflon tape. Won't last forever, but should hold yo ... |
2-4-2017 at 07:56
by: PirateDocBrown |
Mishap - Pyrex jugs can't withstand heat from a butane blowtorch
Set the flask on wire gauze, held by a ring on a stand, burner underneath.
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31-3-2017 at 11:38
by: PirateDocBrown |
Chemicals that are expensive to buy but easy to make
Ask your dentist if he has any old mercury he hasn't got rid of yet.
But seriously, if you guys h ... |
30-3-2017 at 01:17
by: PirateDocBrown |
Using an erlenmeyer flask for refluxing
Erlenmeyer, condenser, and hot plate are pretty much exactly how I do such things. Water bath, if th ... |
30-3-2017 at 01:16
by: PirateDocBrown |
Chemicals that are expensive to buy but easy to make
I wouldn't call making phosphorus or alkali metals "easy" for a home chemist. |
29-3-2017 at 02:35
by: PirateDocBrown |
Using an erlenmeyer flask for refluxing
How do you propose keeping the vapor from escaping between the condenser and the flask? Or is it an ... |
29-3-2017 at 02:34
by: PirateDocBrown |
Nitroethane via NaNO2/DMF
[rquote=479188&tid=73174&author=Cryolite.]The Victor-Meyer necessitates a tedious recycling ... |
28-3-2017 at 11:51
by: PirateDocBrown |
Thoughts on a cheap vacuum pump?
Set up and running.
I got a 350 mL 9cm #3 frit with a 24/40 joint and vacuum connection.
I jus ... |
28-3-2017 at 11:46
by: PirateDocBrown |
Nitroethane via NaNO2/DMF
Why would you go this route? The Meyer reaction can be done in diethyl ether and would work fine for ... |
28-3-2017 at 11:30
by: PirateDocBrown |
Boro glass vs Quartz - both are SiO2 so how are they different?
[rquote=479095&tid=73160&author=XeonTheMGPony]It means you can't use alcohol lamps and such ... |
27-3-2017 at 19:09
by: PirateDocBrown |
Boro glass vs Quartz - both are SiO2 so how are they different?
Borosilicate can be worked into useful shaped using equipment found in a typical glassblowing shop. ... |
27-3-2017 at 19:01
by: PirateDocBrown |
Boro glass vs Quartz - both are SiO2 so how are they different?
Borosilicate is about 13% B2O3, 1-2% Al2O3, 4% or so Na2O, and the rest SiO2.
Of course fused qua ... |
27-3-2017 at 13:43
by: PirateDocBrown |
Organic Polymer from Glycerol and Citric Acid Experiment
A good chunk of my professional career was in the development of just such condensation polymers.
... |
26-3-2017 at 11:18
by: PirateDocBrown |
Interested in taking a chemistry class, help on how to go about this?
This might be good:
https://www.khanacademy.org/science/ap-chemistry
https://www.khanacademy.o ... |
25-3-2017 at 07:21
by: PirateDocBrown |
My nitric acid experiment worked, then failed
[rquote=478823&tid=73108&author=Melgar]
As far as breathing it in, it's an acute hazard, ma ... |
25-3-2017 at 02:52
by: PirateDocBrown |
Interested in taking a chemistry class, help on how to go about this?
Find a local community college. Much cheaper than a 4 year one.
I would strongly recommend you ta ... |
25-3-2017 at 00:27
by: PirateDocBrown |
Thoughts on a cheap vacuum pump?
Okie dokie! Arrived today! Filled it with oil, and am looking for a barb nipple to fit it to some ho ... |
22-3-2017 at 23:15
by: PirateDocBrown |
How to make 30% hydrogen peroxide?
Pool and spa supply stores sell ~30% H2O2, often by the gallon. |
22-3-2017 at 16:59
by: PirateDocBrown |
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