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Golden rain experiment ruined . Did not recrystallise out on cooling
You'll have to be more specific than that if you want help. What procedure you followed, how much of ... |
29-12-2019 at 12:34
by: Heptylene |
How would you continue a chemistry hobby, if you had to move into an unsuitable living space?
Do non-smelly chemistry, or work at small scales.
Non-smelly could be inorganic chemistry, electroc ... |
26-12-2019 at 02:13
by: Heptylene |
Substitute solvent for p-aminophenol (instead of EtOEt?)
Even a short liebig should work provided you use ice cold water and proceed slowly. A long liebig wo ... |
22-12-2019 at 06:59
by: Heptylene |
latest glassware purchase
Nice find SWIM! Though Oldershaw and similar columns have a large hold-up correct? What kind of scal ... |
9-12-2019 at 15:03
by: Heptylene |
latest glassware purchase
As promised, a picture of the weir inside the colmn. As you can see, the condensate flowing on the w ... |
9-12-2019 at 12:31
by: Heptylene |
latest glassware purchase
I'm don't have access to my lab right now, but I'll post close-up shots later. The oblique plate is ... |
7-12-2019 at 06:29
by: Heptylene |
Distillation head!
Christmas came early this year, I found a very nice partial-takeoff distillation head for $100 on eb ... |
6-12-2019 at 14:12
by: Heptylene |
questions on platinized asbestos
Silica wool will work better than glass wool as a catalyst support. Glass will soften at the operati ... |
17-11-2019 at 01:53
by: Heptylene |
pet ether/n-hexane from gasoline/petrol
[rquote=625769&tid=154310&author=Schmiddy]
where I live you need a company license to buy a ... |
10-11-2019 at 05:11
by: Heptylene |
DIY black light
You can get UV LEDs for several cents on ebay. Typically there are models from that produce 365 to 4 ... |
9-11-2019 at 13:50
by: Heptylene |
How do you do research for organic procedures?
Finding the correct workup procedure is not easy, and one way to learn is by reading experimental se ... |
30-10-2019 at 13:16
by: Heptylene |
Distilled, De-ionised or Tap water?
It depends on your tap water. I know mine contains a lot of calcium salts. Just heating the water to ... |
25-10-2019 at 12:50
by: Heptylene |
Sizing Rashig rings for Hempel column
Thank you all for your advice and experience. Any thread hijacking was welcome Praxichys! Clearly a ... |
22-10-2019 at 13:18
by: Heptylene |
Where to get cheap TLC plates?
I've seen them on ebay in large sizes (200x200 mm). At uni we cut those large sizes into smaller one ... |
20-10-2019 at 12:28
by: Heptylene |
Sizing Rashig rings for Hempel column
I'm want to get a new column for some upcoming distillations. The column will also double as a packe ... |
20-10-2019 at 10:17
by: Heptylene |
Cleaning a florence flask
Put table sald inside the flask and shake it around. Salt is soft and won't scratch the glass but wi ... |
17-10-2019 at 10:33
by: Heptylene |
Mass and Weight
Interesting videos! Any chance you might investigate whether skin oil changes then result? I handle ... |
15-10-2019 at 12:08
by: Heptylene |
"Horworka" distillation link
By breather channel do you mean an opening at the top of the condenser? This is definitely planned, ... |
6-10-2019 at 10:45
by: Heptylene |
Improvised column head
So I've thought about this a bit more. What this distillation link is lacking is a thermometer inlet ... |
6-10-2019 at 04:51
by: Heptylene |
"Horworka" distillation link
I'll keep looking on ebay for distillation heads, though I'd like it in 29/32 (or 29/42) which is an ... |
30-9-2019 at 12:12
by: Heptylene |
"Horworka" distillation link
Has anyone ever seen a piece of glassware like this? A distilling link according to Horworka, whoeve ... |
29-9-2019 at 06:16
by: Heptylene |
presentation about explosives to school
Yeah demonstrations with actual explosives are probably not a good idea.
Explosives are still an ... |
8-9-2019 at 06:00
by: Heptylene |
How to accurately determine NH3 concentration?
[rquote=613421&tid=150389&author=Ubya][rquote=613409&tid=150389&author=Sulaiman]Disp ... |
7-9-2019 at 07:10
by: Heptylene |
Weird Question about KMnO4
Maybe KMnO4 is completely insoluble in DCM? I have a hunch it's poorly soluble at best. Maybe you we ... |
5-8-2019 at 11:33
by: Heptylene |
Building a Ionization Chamber
Your questions is pretty vague. It's like me saying "I want to build a mass spectrometer and I need ... |
4-8-2019 at 03:19
by: Heptylene |
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