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Can you make methanol from formic acid?
Just as I was thinking that formaldehyde can be made from methanol, because latter is very otc but f ... |
11-7-2020 at 11:46
by: Refinery |
Calcium chloride hydrate latent heat?
I boiled down(or up, in this instance) a hydrated mixture of CaCl2 and water to create a prepared he ... |
11-7-2020 at 00:39
by: Refinery |
Opening a lab on the Danube River
Many countries have legislation that allows prosecution for overseas matters as if they were punisha ... |
10-7-2020 at 23:37
by: Refinery |
Chemical Availability Changes from 15 years ago (US)
I also believe in the lack of demand. It is technically legal to sell everything but a very few spec ... |
10-7-2020 at 23:19
by: Refinery |
OTC glacial acetic acid need help
[rquote=640222&tid=75811&author=Tsjerk]Give it a good shake, but otherwise a very small amou ... |
10-7-2020 at 13:09
by: Refinery |
Boiling Stones?
I'm pretty much betting between these three options:
1) Bleeder tube (with forced air if system i ... |
10-7-2020 at 12:56
by: Refinery |
Problem boiling down sulfuric acid
Has anyone tested an ordinary bleeder tube with air pump to induce bubble stream into sulfuric acid? |
10-7-2020 at 12:53
by: Refinery |
Lab and insects
I'm not sure if there are any reasonable permanent solutions for those.
Any groundmongers could b ... |
10-7-2020 at 10:50
by: Refinery |
Steam distillation tubing size?
According to "laboratory methods of organic chemistry" a steam distillation with flask of water is s ... |
10-7-2020 at 08:36
by: Refinery |
Steam distillation tubing size?
Does the size matter when choosing glass tube for steam distillation? I would think that very small ... |
9-7-2020 at 23:44
by: Refinery |
OTC glacial acetic acid need help
This might be a dumb question, but I have GAA standing in the fridge at 6C and it is still in very l ... |
9-7-2020 at 12:48
by: Refinery |
Chemical Availability Changes from 15 years ago (US)
Things seem to fluctuate and they are not even based on law or anything. 10 years ago some stuff was ... |
9-7-2020 at 00:06
by: Refinery |
18K Gold sould I drop it in aqua regia.
I'm surprised if they contain any significant amount of gold.
There are whole industry branches i ... |
8-7-2020 at 23:56
by: Refinery |
Nitrate salt sources
I was still thinking about the use of calcium nitrate in displacement reaction for a fertilizer slur ... |
8-7-2020 at 06:51
by: Refinery |
Nitrate salt sources
[rquote=640110&tid=155592&author=RogueRose]Your equation is messed up. cal Nit + Sodium Car ... |
8-7-2020 at 03:31
by: Refinery |
Nitrate salt sources
[rquote=638933&tid=155592&author=cyanureeves]there is cheap calcium nitrate where i live and ... |
7-7-2020 at 12:01
by: Refinery |
Oxidation of aldehydes to carboxylic acids?
Probably oxidation by molecular oxygen (air) using catalyst. The documents I've seen warrant high yi ... |
7-7-2020 at 11:51
by: Refinery |
Working with lead compounds
Evaporation sounds good, then. And so, if concentration by boiling is performed, the liquid should b ... |
7-7-2020 at 11:29
by: Refinery |
Opinions of working with carcinogenic alkyl halides such as bromoethane?
Supposedly if you use proper PPE your exposure to hazardous materials is limited to almost zero. I h ... |
7-7-2020 at 11:27
by: Refinery |
Soda Lime glass
PYREX is borosilicate, being a trademark. Pyrex is tempered soda glass.
I have used common glass ... |
7-7-2020 at 11:08
by: Refinery |
does autoignition temperature even matter when refluxing a liquid?,
The concept of vapor leaks and autoignition remains the same, but you added a fear factor of 10bar p ... |
7-7-2020 at 10:59
by: Refinery |
Methanol vapours
Methanol concentration in body is 2-5g to cause toxic effects. That would require to breath in huge ... |
7-7-2020 at 10:48
by: Refinery |
odorless heating baths?
I committed a small test with CaCl2 due to having a kg of it right on hand. I mixed about 500mL of w ... |
7-7-2020 at 10:12
by: Refinery |
Anyone else having horrible shipping delays, or is my package lost?
Fastest shipping from China: 7 days.
Slowest shipping from China: 50+ days and pending... |
7-7-2020 at 08:28
by: Refinery |
Bad days in the lab or with glassware?
If dried with acetone, I would not use oven to dry it because of that. I'm wary of using oven to dry ... |
7-7-2020 at 04:39
by: Refinery |
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