| Search |
| [Next Page] |
DIY acid washed sand changed color unexpectedly
Have you checked the black particles to see if they are magnetic? I'm thinking that magnetite may be ... |
30-11-2020 at 14:49
by: CharlieA |
Powder addition in reflux?
One way is to use a 2-neck flask for the reaction/refluxing apparatus ("pot"). The powder to be adde ... |
27-11-2020 at 17:37
by: CharlieA |
Thanksgiving
Although it has been a downer of a year, Happy Thanksgiving everyone!
My wife and I ordered carryou ... |
26-11-2020 at 08:58
by: CharlieA |
Sodium Iodide does Not Dissolve in Acetone? Why?
In general, ionic compounds (like NaI and NaIO[sub]3[/sub]) are soluble in polar solvents. Acetone i ... |
22-11-2020 at 16:52
by: CharlieA |
Does Diatomaceous Earth Absorb Dissolved Salt?
Diatomaceous earth is silica. I would not expect it to absorb an appreciable of anything. |
18-11-2020 at 17:15
by: CharlieA |
New to chemistry
Following the RB Thompson book will be a great beginning, without trying to get into more exotic thi ... |
15-11-2020 at 17:07
by: CharlieA |
Mass and Weight
The cheapest way might be to titrate the acid with a standardized solution of a strong base. The cla ... |
11-11-2020 at 17:25
by: CharlieA |
Pretty Pictures (2)
[rquote=647265&tid=26378
...I visited the supplier yesterday to get some thiourea... ...
[/rqu ... |
26-10-2020 at 16:30
by: CharlieA |
Pretty Pictures (2)
[rquote=645346&tid=26378&author=arkoma]Rounded up eight old school mercury switches: [/rquot ... |
2-10-2020 at 16:31
by: CharlieA |
The Short Questions Thread (4)
Just a WAG (as opposed to a SWAG): could this be some kind of device to deliver 10 mL of a reagent f ... |
9-9-2020 at 17:03
by: CharlieA |
Book review...of sorts!
"A book I read that I always enjoyed for the interesting topics, although it doesn't really get very ... |
2-9-2020 at 16:44
by: CharlieA |
Book review...of sorts!
ShotBored: Thanks for the reference. I added it to my list to get from the public library; my list i ... |
1-9-2020 at 15:27
by: CharlieA |
Book review...of sorts!
Dr. Bob,
I have read the Gergel books. They were interesting reads. My first job after my undergrad ... |
31-8-2020 at 16:40
by: CharlieA |
Book review...of sorts!
It certainly is a loose connection, but JFK had to be born here to be eligible to become president ( ... |
30-8-2020 at 16:44
by: CharlieA |
Book review...of sorts!
karlos:
That story is new to me! The explanation would be very interesting. I'll give a look tomorr ... |
29-8-2020 at 16:52
by: CharlieA |
Small scale production of H2SO4 in the amateur lab
[rquote=643783&tid=156031&author=plastics]Shoot me down if you like but don’t bother weari ... |
28-8-2020 at 16:50
by: CharlieA |
Book review...of sorts!
I just finished reading "Power Unseen: how microbes rule the world", by Bernard Dixon (1996; ISBN 0- ... |
28-8-2020 at 16:18
by: CharlieA |
Help COVID-19 research
BrainAmoeba: I'm sure your participation will be appreciated. And as a bonus, when you reach certain ... |
11-8-2020 at 15:50
by: CharlieA |
Help COVID-19 research
At this link, you can donate your computer's "off time" to participate in research to fight COVID-19 ... |
10-8-2020 at 06:02
by: CharlieA |
Book review...of sorts!
Interesting read: Moseley and the Numbering of the Elements by Bernard Jaffe (Doubleday, 1971). Mose ... |
10-8-2020 at 05:53
by: CharlieA |
What happened to n2o3.com
I just brought n203.com up on my browser(Microsoft Edge). |
4-8-2020 at 16:07
by: CharlieA |
Can common soda glass bottles be reshaped?
[rquote=642010&tid=155824&author=wg48temp9]See the tutorial http://harrachglass.blogspot.com ... |
2-8-2020 at 18:11
by: CharlieA |
Can common soda glass bottles be reshaped?
[rquote=641998&tid=155824&author=S.C. Wack]They seemed to be normal bottles reheated enough ... |
2-8-2020 at 18:08
by: CharlieA |
Can common soda glass bottles be reshaped?
I wonder if those started out as regular soda bottles, or if they were cast that way? |
1-8-2020 at 16:07
by: CharlieA |
Homemade and Repurposed Lab Gear
OldNubbins: very clever idea; a nice-looking setup. (When I saw this, I wondered why I didn't think ... |
26-7-2020 at 16:14
by: CharlieA |
| [Next Page] |
