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10 liter flask frozen joint
I occasionally use 3-5L flasks at work, but usually when a joint freezes, I grab a rubber coated pla ... |
21-8-2010 at 06:37
by: aonomus |
Vacuum from a fridge compressor
An air compressor tank such as http://www.princessauto.com/tools/compressor-componentry/tanks/815545 ... |
20-8-2010 at 16:17
by: aonomus |
Vacuum from a fridge compressor
I have been wondering about building a 'standby' vacuum system using a small water tank, a vacuum pr ... |
20-8-2010 at 13:22
by: aonomus |
1k for new labware, What would you get.
Well, you might have to be a bit more specific.
- What is 'small scale', 0.1g, 1g, 10g?
- What ... |
15-8-2010 at 18:41
by: aonomus |
Dow Corning Vacuum Grease Cleanup
[quote]
And I was reading the silicone wiki about the curing process producing acetic acid. I kn ... |
4-8-2010 at 12:08
by: aonomus |
Identification of Lead Acetate
If it is a metal salt and is water soluble, you can use qualitative identification to try to find ou ... |
2-8-2010 at 20:05
by: aonomus |
Smoking heating mantles?
Left it for 30 minutes on full, continued to have that odor. There was one spot on the underside of ... |
1-8-2010 at 14:27
by: aonomus |
No more sodium from ebay
I've found that a good alternative source to ebay are lotion/soap/perfume formulation suppliers that ... |
30-7-2010 at 21:24
by: aonomus |
True Vacuum Pump vs. Water Aspirator
@peach: what do you do for oil in your fridge compressor, both in regards to oiling it, and retainin ... |
28-7-2010 at 19:21
by: aonomus |
Bad days in the lab or with glassware?
[rquote=183606&tid=13214&author=DDTea]Well, I guess I live a very tame life these days. A b ... |
27-7-2010 at 19:57
by: aonomus |
Smoking heating mantles?
I tried to avoid breathing the smoke where I could. It had a acrid odour/taste that smelled more of ... |
26-7-2010 at 20:13
by: aonomus |
Smoking heating mantles?
Even on a 50% setting and 20 minutes of heating, it still smoked. Didn't get to the point of boiling ... |
26-7-2010 at 18:14
by: aonomus |
DIY Flashback Arrestor
A water bubbler would act as a flashback arrestor but you want a weak point in the system as a blow- ... |
26-7-2010 at 13:01
by: aonomus |
Esterified fatty acids
You need 2 steps usually when it comes to vegetable oils and fatty acids. You could try a direct hyd ... |
26-7-2010 at 13:00
by: aonomus |
Smoking heating mantles?
I think tomorrow I will set it up again in the backyard with a RBF full of water with a vigreux colu ... |
25-7-2010 at 20:57
by: aonomus |
Smoking heating mantles?
A friend of mine was clearing out a section of his lab recently and found an old replacement heating ... |
25-7-2010 at 11:35
by: aonomus |
Crystal Growing
Thats interesting that 5-10% NaOH causes the NaCl to saturate. I'll have to try that this week.
I ... |
25-7-2010 at 08:32
by: aonomus |
Distillation apparatus for ethanol with plastic bottles
Words of warning when using Turbo Yeast
- Keep the temperature low so you generate fewer furfuryl ... |
25-7-2010 at 08:27
by: aonomus |
Safely decomposing hydrogen peroxide in solution?
I did not do a test with another copper (II) salt such as CuSO4. Lesson learned. |
25-7-2010 at 08:16
by: aonomus |
Safely decomposing hydrogen peroxide in solution?
Well, I had already started to heat up the batch when I remembered to test for peroxides, at about 5 ... |
24-7-2010 at 21:58
by: aonomus |
True Vacuum Pump vs. Water Aspirator
Don't forget that wash bottles = suckback. Not a worry if you are distilling to drive off something, ... |
24-7-2010 at 20:07
by: aonomus |
Safely decomposing hydrogen peroxide in solution?
So I'm in a bit of a situation, I use CuCl2/HCl/H2O2 copper etchant for circuit board manufacturing ... |
24-7-2010 at 19:58
by: aonomus |
True Vacuum Pump vs. Water Aspirator
To provide another consideration: an air aspirator gives good enough suction to do filtrations and H ... |
23-7-2010 at 20:10
by: aonomus |
Cleaning Glassware W/Acid-base Washes
I've used FisherSci's 'sparkleen', though what I've noticed is that while its cheaper, I need to use ... |
20-7-2010 at 22:07
by: aonomus |
good rubber solvent
I've recently learned the hard way, that toluene over 24h does indeed make suba-seal septa swell and ... |
17-7-2010 at 05:04
by: aonomus |
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