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Filtering hydroxides, how to make them behave?
Sometimes, stirring the suspension for a time, with or without heat, will result in the particles st ... |
29-12-2018 at 18:22
by: CharlieA |
Extraction of ASA from Pills
[rquote=568626&tid=116801&author=hacker][rquote=568539&tid=116801&author=CharlieA]Yo ... |
28-12-2018 at 17:13
by: CharlieA |
Large lab
Although a large stock of chemicals is nice, more importantly, in my opinion, is having the necessar ... |
26-12-2018 at 17:15
by: CharlieA |
Alright looking for insight
I always said that sex could be an analogy for anything and everything!
Merry Christmas
Charlie |
25-12-2018 at 18:09
by: CharlieA |
Extraction of ASA from Pills
You can get an idea of the purity of your ASA by titration. Then your estimate of the purity would h ... |
24-12-2018 at 17:57
by: CharlieA |
Uranium ore tests
[rquote=562247&tid=111921&author=DoctorOfPhilosophy]Holy cow that's a lot of significant dig ... |
13-12-2018 at 17:36
by: CharlieA |
Equations for chemistry the maths
If you have all those equations down, you have a fine start to understanding some chemistry! |
11-12-2018 at 16:55
by: CharlieA |
Rusting from HCl Bottle
My semi-facetious suggestion: If you need a gallon size glass jug, buy a gallon of table wine. Drink ... |
8-12-2018 at 16:06
by: CharlieA |
Anyone want to use my lab/equipment/chemicals ?
Sulaiman, that is a very generous offer. I can't take you up on it. I'm in the states and have my ow ... |
8-12-2018 at 16:00
by: CharlieA |
Organic catalyst international sale: TEMPO and TBAB
My order arrived today in fine shape. And thanks for the nickel "nickel".
Happy Thanksgiving!
Char ... |
21-11-2018 at 17:18
by: CharlieA |
chalk project prep
MgHSO4 is not a valid chemical formula. Epson salt, magnesium sulfate heptahydrate, is MgSO4.7H2O. |
18-11-2018 at 17:02
by: CharlieA |
Kilogram Standard
Nuts!!! I just calibrated my balances with the (student, I think) set of brass weights I bought at a ... |
17-11-2018 at 17:20
by: CharlieA |
Nickel sulfate questions
I thought for electrolysis, the voltage for a reaction was determined by the entities, and the curre ... |
15-11-2018 at 17:25
by: CharlieA |
Vacuum Aspirator Problems
Ok Sulaimon, you sold me! I just ordered one from ebay-US for ~20USD. I figure at this price, it is ... |
13-11-2018 at 17:14
by: CharlieA |
Laboratory Equipment Suppliers Help
I don't follow this. At eight times (approximately) the rated pressure the desiccator failed? Would ... |
11-11-2018 at 17:32
by: CharlieA |
Vacuum Aspirator Problems
I note from the specifications for your aspirator that the maximum vacuum is 420 mm Hg. This is only ... |
11-11-2018 at 17:21
by: CharlieA |
Lessons Learned
Well said...also, don't leave something being heated. I learned this the hard way on my first indust ... |
10-11-2018 at 16:58
by: CharlieA |
Homemade and Repurposed Lab Gear
Clever! |
2-11-2018 at 16:22
by: CharlieA |
Mystery Glassware Identification Thread
These are flasks used in a Warburg apparatus for tissue culture. One port of the flask connects to a ... |
20-10-2018 at 15:33
by: CharlieA |
Test Tube Holder
Dr. P, Those are the best yet!
...but I think you have too much time on your hands! |
19-10-2018 at 15:55
by: CharlieA |
Proper scrubbing for a glove box
I like maccone's description of a simple fume hood. Instead of plexiglass, I would substitute clear ... |
9-10-2018 at 16:23
by: CharlieA |
Melting Point Analysis Old School Way - Thiele Tube
The idea is to measure at least 2 parameters of a substance to identify it. if you are pretty sure o ... |
6-10-2018 at 17:45
by: CharlieA |
Hydrogen
JJay - if that's your lab assistant, I don't see how you get anything done. I know I never had a lab ... |
22-9-2018 at 15:39
by: CharlieA |
Tired of reporting spam
Tonight is especially frustrating...3 pages of posts today, and 2 pages of them are spam. I think wh ... |
14-9-2018 at 16:47
by: CharlieA |
Lab gadgets
OK; I'm guessing it was a crayon/pencil holder/marker holder. I made some similar (a large flat-bed ... |
2-9-2018 at 16:19
by: CharlieA |
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