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KHSO4 from NaHSO4
How about swapping the sodium ions for potassium ions using a cation exchange resin? I haven't used ...
18-4-2019 at 16:39
by: CharlieA
Science equipment looking for a home
Dr. Bob, Would you by any chance have the glass stopper assemblies for the drying tubes?
Somehow I ...
15-4-2019 at 16:48
by: CharlieA
Shortest terms for the following concentration definitions?
For a dilute aqueous solution, g solute/L solution ca. = to g solute/g solution = (weight) percent.
...
15-4-2019 at 16:42
by: CharlieA
Thermodynamics - Heat of Vaporization change with pressure
From a theoretical view (definitely not my forte!), I would think that a substance would vaporize mo ...
15-4-2019 at 16:27
by: CharlieA
Nitric acid distillation goes wrong.looking for alternatives.
It is always best to confine ones self to experiments for which he has the proper needed chemicals a ...
15-4-2019 at 16:14
by: CharlieA
formula for calculating amount of compressed gas
Doesn't it say in the original post that each gas is in separate cylinder? In which case I would thi ...
11-4-2019 at 15:34
by: CharlieA
phosphomolybdic acid synthesis
Molybdenum exhibits many oxidation states with, generally, characteristic colors. See for example ht ...
10-4-2019 at 16:16
by: CharlieA
Sodium Sulfate unusual solubility
Maybe this will help.

https://chem.libretexts.org/Bookshelves/Inorganic_Chemistry/Supplemental_Mo ...
10-4-2019 at 15:58
by: CharlieA
Potential Extraction of Useful or Noteworthy Compounds from Fluorescent Light Phosphor
Thanks for the link. Interesting video , by an SM member. Now I've subscribed to his channel. I hope ...
4-4-2019 at 16:09
by: CharlieA
Dumb Question
This link references several ways to make POCl3: https://en.wikipedia.org/wiki/Phosphoryl_chloride
4-4-2019 at 15:56
by: CharlieA
Potential Extraction of Useful or Noteworthy Compounds from Fluorescent Light Phosphor
I am just curious (I know, it killed the cat) as to why you are doing this. That is, do you have spe ...
3-4-2019 at 16:14
by: CharlieA
Hempel columns
My guess is that longer is better, all things being equal. (I had an organic chemistry professor who ...
3-4-2019 at 16:08
by: CharlieA
Latest chemical order?
Thanks. I'll go look for some. I was thinking about synthesizing a small for amount for some TLC exp ...
3-4-2019 at 16:02
by: CharlieA
Dumb Question
Why do you think that it will? (I have no idea what the answer is). Do you have a reference to what ...
3-4-2019 at 15:54
by: CharlieA
Patches?
See the thread by Zephyr, Science Madness Patches!
3-4-2019 at 15:48
by: CharlieA
Latest chemical order?
Great find! Was the store orange or blue?
2-4-2019 at 16:16
by: CharlieA
distilled water for diy ph calibration solution ?
The pH of pure water is 7, by definition, because the [H+] = 1 x E-7M. Granted that the ionic stren ...
31-3-2019 at 17:00
by: CharlieA
pH paper: 1 colour vs multicolour?
I don't see much difference between applying a drop to the paper (which is 1 color before being plac ...
31-3-2019 at 16:54
by: CharlieA
Peptide synthesis is awesome
Note also that the unit price of a product goes down drastically as the quantity in a sale increases ...
31-3-2019 at 16:42
by: CharlieA
Any interesting uses for dimethylglyoxime?
So, how much do you have? I mean, could you sell a couple of grams and send it to the US?Charlie
...
25-3-2019 at 16:17
by: CharlieA
how can i prepare a strong Tea brew?
In a teapot, with a small amount of hot water?
25-3-2019 at 16:03
by: CharlieA
Working out concentration
[rquote=605634&tid=146624&author=captainC11]If a solution of 50ml weighs 59.44g in water...[ ...
18-3-2019 at 16:25
by: CharlieA
Failure to isolate Calcium Cyanate
Daffodile: Do you have a literature reference for this reaction, by any chance?
17-3-2019 at 16:32
by: CharlieA
Cenco and Wards prepared microscope slides
[rquote=265930&tid=22325&author=Mailinmypocket]I recently received a lot of prepared microsc ...
12-3-2019 at 16:36
by: CharlieA
Nitric acid spill
:D:D:D
11-3-2019 at 16:28
by: CharlieA
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