| Search |
| [Next Page] |
Is there any trick to get stir bars to stay centered and spin on flat bottom flasks?
I seem to have a problem in that flat bottomed beakers/flasks aren't really flat bottomed, but conve ... |
25-7-2020 at 15:46
by: CharlieA |
Zn + technical HCl = red precipitate?! Selenium?
Looks can be deceiving... |
25-7-2020 at 15:39
by: CharlieA |
How to start organic chemistry?
Maybe you could consult a first-year organic chemistry laboratory manual for ideas, and to give you ... |
24-7-2020 at 15:34
by: CharlieA |
Pretty Pictures (2)
VS: great pix! great job! |
23-7-2020 at 15:17
by: CharlieA |
What mechanism typically stops a gas evolving reaction reaching "infinite" pressure?
If I weren't so lazy, I would make the following calculation. I would assume reacting 1 mole of Al w ... |
20-7-2020 at 16:06
by: CharlieA |
How reactive are gallium and indium in the reactivity series?
In general, elements in the same family (vertical column) of the periodic table, which you might enj ... |
20-7-2020 at 15:48
by: CharlieA |
plastic coated glass
https://www.usplastic.com/catalog/item.aspx?itemid=32019
These give a better grip and can help co ... |
17-7-2020 at 16:06
by: CharlieA |
Homemade and Repurposed Lab Gear
Nifty!!! |
15-7-2020 at 17:30
by: CharlieA |
Homemade and Repurposed Lab Gear
Better living through electricity... |
13-7-2020 at 17:08
by: CharlieA |
UK source for stains & microbio stuff
Here in the US, I bought similar items from Home Science Tools, a company that caters to the home-sc ... |
12-7-2020 at 17:42
by: CharlieA |
Ways to precipitate sodium ions?
If you are just wanting to treat your Na ion waste before discarding it, why not just evaporate the ... |
12-7-2020 at 17:37
by: CharlieA |
Acid problems
Some random thoughts: heating too rapidly? no anti-bumping provisions, g. boiling stones? an ebullia ... |
10-7-2020 at 15:26
by: CharlieA |
18K Gold sould I drop it in aqua regia.
I hate to say it but your "conscious" was unconscious. I hope I'm wrong, but this smells very strong ... |
8-7-2020 at 16:30
by: CharlieA |
Bad days in the lab or with glassware?
I'm just speculating ($5 word for guessing): I would start with the oven at room temperature and rai ... |
6-7-2020 at 17:14
by: CharlieA |
The basics of chemistry - Best Video contest
I second Khan academy...it covers a wide variety of subjects, not just chemistry.
Unfortunately, I ... |
6-7-2020 at 16:53
by: CharlieA |
Bad days in the lab or with glassware?
[rquote=639926&tid=24908&author=Refinery]I put a fritted filter funnel in an oven in order t ... |
5-7-2020 at 16:26
by: CharlieA |
latest glassware purchase
From the looks of the clamp, it looks like it might be multi-functional; perhaps to hold a thermomet ... |
3-7-2020 at 15:57
by: CharlieA |
Question help
Whether the C has 3 hydrogens attached or 3 unshared pairs, it can still be sp3 hybridized and there ... |
9-6-2020 at 16:47
by: CharlieA |
Acetone storage?
The cheapest 1-gal HDPE jugs might be milk jugs...and you can drink (ugh) the milk first (I use it o ... |
24-5-2020 at 17:44
by: CharlieA |
Porcelain toilet bowl tank - anyone think of any possible uses?
I second the flower pot idea. On your front lawn it would certainly be a conversation piece. |
21-5-2020 at 16:20
by: CharlieA |
sassafras extraction from roots - anyone have experience or know yeilds?
I'd rather make root beer from sassafras...if I knew how! |
19-5-2020 at 16:35
by: CharlieA |
Synthesis for Hydrogen Peroxide?
I'm really confused! Aside from Johnny Windchimes post (and I thank you for that; I needed the remin ... |
13-5-2020 at 16:08
by: CharlieA |
"In Memoriam" Page
[rquote=635534&tid=155339&author=Fulmen]I like the idea, just keep in mind that others might ... |
7-5-2020 at 15:40
by: CharlieA |
Dum Question
[rquote=635121&tid=155282&author=CharlieA]An old technique to pour liquids from a bottle (on ... |
1-5-2020 at 16:27
by: CharlieA |
Dum Question
An old technique to pour liquids from a bottle (one-handed): grasp the open bottle in one hand, and ... |
30-4-2020 at 16:14
by: CharlieA |
| [Next Page] |
