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Everyday Chemistry
I made 400 grams of 60 % nitric acid by distillation from sodium nitrate and sulfuric acid. I tried ...
31-8-2018 at 02:46
by: Heptylene
What to do with a long glass tube
If it is not quartz, it could make a nice starting point for large ampoules of chlorine, bromine etc ...
28-8-2018 at 08:03
by: Heptylene
Ostwald reactor from platinized silica wool
Incredible! That's a nice catalyst support, I'm guessing the beads fit in the reaction tube right? T ...
26-8-2018 at 02:37
by: Heptylene
Beginning question about making copper chloride
If you are not in a hurry, you can just put copper in hydrochloric acid (with some excess, say 50 % ...
24-8-2018 at 04:16
by: Heptylene
Order a chemical, get something else
I bought "food grade" vanillin from ebay once. The vanillin was cheap, in fact suspiciously so (10 $ ...
23-8-2018 at 12:53
by: Heptylene
Unable to reply to U2U
Yes I did it the way you describe but nope, doesn't work.

I also tried sending a new message to t ...
23-8-2018 at 12:42
by: Heptylene
Unable to reply to U2U
I can't reply to a U2U I received. I tried multiple times over different days with the same result: ...
23-8-2018 at 05:14
by: Heptylene
tris(4-nitrophenyl)methanide, an easily formed blue carbanion
I guess I could try degassing some THF and compare the decomposition rate with that in non-degassed ...
20-8-2018 at 04:15
by: Heptylene
Color in more dilute solution
I tried dissolving an extremly small amount (much less than 1 mg) in DCM and added base as before. T ...
19-8-2018 at 11:10
by: Heptylene
tris(4-nitrophenyl)methanide, an easily formed blue carbanion
I just finished the synthesis of tris(4-nitrophenyl)methane, an interesting molecule which can be de ...
19-8-2018 at 09:40
by: Heptylene
Preparation of methanol by electrolysis
I thought I would share this [url=https://www.youtube.com/watch?v=ReynCCgqLUY]gem I found on youtube ...
15-8-2018 at 04:28
by: Heptylene
Responsible Chemical Waste Disposal
@Abromination: You might want to add NaOH to your copper salts (provided there is enough of them to ...
14-8-2018 at 16:02
by: Heptylene
Bad days in the lab or with glassware?
Goddammit! I broke by 250 ml pressure-equalizing addition funnel yesterday, in the most stupid way p ...
14-8-2018 at 11:41
by: Heptylene
Monthly or bi-monthly "exotic" group chemical/reagent purchase - w/re-shipping to members
What happened with blogfast25?

I must say that I personally wouldn't risk shipping some of those ...
14-8-2018 at 05:38
by: Heptylene
Ostwald reactor from platinized silica wool
Thank you for the measurements, I might get away with using a 10-20 cm furnace then, although my tub ...
11-8-2018 at 07:00
by: Heptylene
Ostwald reactor from platinized silica wool
If measuring the temperature of the gradient is not too much of a hassle I would be interested in th ...
10-8-2018 at 15:41
by: Heptylene
Ostwald reactor from platinized silica wool
Wow! Impressive work WGTR! I must say that furnace look just perfect for heating the reaction tube.
...
10-8-2018 at 09:23
by: Heptylene
Everyday Chemistry
Does anyone know what happened to the old thread? I found a [url=http://www.sciencemadness.org/talk/ ...
9-8-2018 at 03:10
by: Heptylene
Everyday Chemistry
Today I prepared ethyl benzoate from benzoic acid, dry ethanol and sulfuric acid on 0.5 molar scale. ...
8-8-2018 at 04:37
by: Heptylene
Responsible Chemical Waste Disposal
Personally I have four containers for the waste I produce:
1) Toxic heavy metals liquid waste, that ...
6-8-2018 at 12:46
by: Heptylene
Isopropyl iodide success!
@DavidJR apparently the product is phosphorous acid: H3PO3, although I haven't really tried to verif ...
2-8-2018 at 06:57
by: Heptylene
Isopropyl iodide success!
This is a follow-up to the [url=http://www.sciencemadness.org/talk/viewthread.php?tid=85044]thread I ...
1-8-2018 at 08:44
by: Heptylene
Ostwald reactor from platinized silica wool
@WGTR That cooling design is really neat! Looking forward to seeing it when its finished.
24-7-2018 at 03:10
by: Heptylene
Choosing best reflux column & condenser to order
For the length of the Liebig what kind temperature water do you usually use in the condenser? With 1 ...
19-7-2018 at 12:06
by: Heptylene
Isopropyl iodide from iPrOH/Red P/I2. Unexpected product
So I followed your suggestion TheRealKP and washed the product three times with water (ca. 3x25 ml), ...
19-7-2018 at 11:51
by: Heptylene
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