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Mercuric Chloride Synthesis Success?
Thanks for the inputs.

The hydrochloric acid is not from hardware store but an assayed reagent gr ...
22-5-2019 at 01:30
by: nimgoldman
Mercuric Chloride Synthesis Success?
I finally decided to prepare mercuric chloride (HgCl2) since this compound is hard to get by an amat ...
20-5-2019 at 11:57
by: nimgoldman
Unable to concentrate nitric acid to 68%
I've ran the experiment with 900 mL of 47% HNO3. It contains about 595 g of water so I added about h ...
18-5-2019 at 14:38
by: nimgoldman
NaOH attacking glass
I have a beaker made of thickened borosilicate glass in which I make concentrated (50%) NaOH solutio ...
14-5-2019 at 21:31
by: nimgoldman
Yellow ether?
Yes this happened to me. I store ether over KOH and whiff a bit of argon in the bottle to make an in ...
14-5-2019 at 21:27
by: nimgoldman
Unable to concentrate nitric acid to 68%
To concentration does not seem to work according to paper. They suggested as little as 10% sulfuric ...
14-5-2019 at 21:23
by: nimgoldman
Removing KOH from K-GHB
Thanks for all the input.

The pathway from GABA is certainly not the higher yielding one but for ...
9-5-2019 at 07:28
by: nimgoldman
Removing KOH from K-GHB
Okay I think it is clear now. Up to now I though pH 9-10 will burn tissue.. I have to learn more abo ...
8-5-2019 at 11:47
by: nimgoldman
Removing KOH from K-GHB
[rquote=611780&tid=147915&author=Tsjerk]Just use 1.1 eq gbl to NaOH in water and boil down t ...
7-5-2019 at 17:03
by: nimgoldman
Removing KOH from K-GHB
[rquote=611759&tid=147915&author=advanced warning]If you have pure GBL, why reflux with etha ...
6-5-2019 at 19:15
by: nimgoldman
Ethanol Purification for Synthesis
Thanks for reassuring about the sufficiency of good distillation.

I tried potassium permanganate ...
6-5-2019 at 18:37
by: nimgoldman
Ethanol Purification for Synthesis
[rquote=610174&tid=148767&author=Assured Fish]I suppose it really is quite dependent on exac ...
24-4-2019 at 11:12
by: nimgoldman
Ethanol Purification for Synthesis
I never had any problems with self-produced ethanol in any syntheses so far as well as using it as e ...
22-4-2019 at 12:31
by: nimgoldman
HCL in medicine
Another reason for using specific salt form can be water absorption. One such example is [url=https: ...
21-4-2019 at 14:33
by: nimgoldman
Unable to concentrate nitric acid to 68%
[rquote=609481&tid=147593&author=S.C. Wack]Perhaps you should try to do everything the oppos ...
21-4-2019 at 14:17
by: nimgoldman
Unable to concentrate nitric acid to 68%
Okay I've read the part about concentrating nitric acid from "Absorption Of Nitrous Gases" pp. 279 - ...
19-4-2019 at 09:41
by: nimgoldman
Removing KOH from K-GHB
[rquote=608446&tid=147915&author=Metacelsus]If you have any GBL left over, you could add jus ...
14-4-2019 at 22:34
by: nimgoldman
Removing KOH from K-GHB
[rquote=608426&tid=147915&author=DavidJR]Acidify with HCl to produce the free acid, distill ...
12-4-2019 at 18:03
by: nimgoldman
Removing KOH from K-GHB
I synthesized some potassium gamma-hydroxybutyrate (K-GHB) by refluxing gamma-butyrolactone (GBL) wi ...
12-4-2019 at 15:05
by: nimgoldman
Unable to concentrate nitric acid to 68%
I will try that.

[rquote=608277&tid=147593&author=WGTR]There is a book in the Sciencemadn ...
12-4-2019 at 13:31
by: nimgoldman
Unable to concentrate nitric acid to 68%
I just measured the HNO3 concentration in the receiving flask and it was 29%.

Now I realized conc ...
10-4-2019 at 20:03
by: nimgoldman
Unable to concentrate nitric acid to 68%
[rquote=608191&tid=147593&author=UC235]What is it that you're using to measure density? Dens ...
10-4-2019 at 18:49
by: nimgoldman
Unable to concentrate nitric acid to 68%
Okay so I repeated the fractional distillation using vacuum and the separation was still poor.

Th ...
10-4-2019 at 18:01
by: nimgoldman
Unable to concentrate nitric acid to 68%
[rquote=608049&tid=147593&author=WGTR]Can't you get close to 68% nitric acid simply by boili ...
9-4-2019 at 16:32
by: nimgoldman
Unable to concentrate nitric acid to 68%
As for the density calculation, yes I checked the temperature and it was 28 °C. For the density of ...
9-4-2019 at 10:08
by: nimgoldman
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