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My water study (and this is mostly about microscopes) Some time ago there were couple of discussions here about choosing of a microscope. So, I believe th ... |
13-9-2024 at 04:47 by: teodor |
NileRed in the NY Times Amateur chemistry and success from the public's point of view. A complex topic with a bit of controv ... |
23-8-2024 at 00:32 by: teodor |
Laboratoriumdiscounter.nl ratings [rquote=693550&tid=157773&author=Keras]
... A pity he is on the wrong side of Belgium!
... |
12-6-2024 at 23:45 by: teodor |
Laboratoriumdiscounter.nl ratings [rquote=693545&tid=157773&author=woelen]
How is the status of this order now?
[/rquote]
... |
12-6-2024 at 11:08 by: teodor |
Metallic soaps There is a nice book "The alkaline-earth and heavy metal soaps" by S.B. Elliott (ACS monograph serie ... |
6-3-2024 at 23:58 by: teodor |
How hazardous is fluorine chemistry? NH4BF4 is quite volatile. I kept it in an open container for drying and it covered inside walls of m ... |
21-2-2024 at 06:01 by: teodor |
How hazardous is fluorine chemistry? This is molten NH4F inside my DIY home fume hood.
And I am still alive. So, the answer: it depends ... |
21-2-2024 at 02:11 by: teodor |
Simple guide for analytical chemistry Thanks Bedlasky for starting this thread. I myself try to study inorganic analysis and I already hav ... |
12-2-2024 at 05:22 by: teodor |
Can hydrogen peroxide be vacuum distilled straight from sodium percarbonate? [rquote=690399&tid=160113&author=bnull]
"The structure of PBS [sodium perborate] correspond ... |
23-1-2024 at 11:09 by: teodor |
Can hydrogen peroxide be vacuum distilled straight from sodium percarbonate? But making a solution will spoil the whole process which will now be the same as concentrating H2O2 ... |
23-1-2024 at 08:04 by: teodor |
Can hydrogen peroxide be vacuum distilled straight from sodium percarbonate? I believe the answer to the original question is dependent on one very important number: the vapour ... |
23-1-2024 at 01:50 by: teodor |
Easy-to-synthesize odor compounds Hexylcinnamaledehyde - yes, you are right, the scent is close to jasmin.
The scent of phenylethylp ... |
12-1-2024 at 06:37 by: teodor |
High Boiling Solvents for HCl Synthesis to Prevent Flask Cracking Thermal decomposition of MgCl2 hydrate to MgOHCl occurs at 235C which on heating gives dry HCl below ... |
12-1-2024 at 03:53 by: teodor |
Easy-to-synthesize odor compounds So, I have ordered most of the compounds I mentioned in that post from hekserij.nl . (I post already ... |
12-1-2024 at 02:44 by: teodor |
How strong is the effect of sodium ions really? Probably you can precipitate the traces of sodium by the pyroantimonate ion ([Sb(OH)6]-). The sodium ... |
10-1-2024 at 05:18 by: teodor |
Laboratoriumdiscounter.nl ratings 20th March 2023: a Hempel column with vacuum jacket was ordered
Several monthes later: when it wil ... |
9-1-2024 at 04:43 by: teodor |
2 vs 3 neck boiling flask? According to my observations there could be only one disatvantage of 3 necks vs 2 necks: when you us ... |
29-12-2023 at 08:06 by: teodor |
Speed of C programs, relative to Java Indeed, I am impressed by the performance of the modern JIT. But this achievement is only possible b ... |
29-12-2023 at 03:13 by: teodor |
Speed of C programs, relative to Java So, what is the time difference for Java vs C for different types of equations now? |
28-12-2023 at 00:42 by: teodor |
Speed of C programs, relative to Java I did some tests and I see that fma instructions (calculating a*b - c*d by Kahan's algorithm) are no ... |
24-12-2023 at 07:36 by: teodor |
Diethyl ether from ethanol and something else than sulphuric acid Keras,
the reaction is not dehydration, the reaction is formation of ethyl sulfate which undergo ... |
11-9-2023 at 00:34 by: teodor |
NaOAc, KOAc and K2CO3. [rquote=687244&tid=159849&author=Texium]Better yet though, just add acetic acid to convert a ... |
6-9-2023 at 13:52 by: teodor |
Chemical computers/Chemical electronic devices khlor, it was your initial question as well as my small participation in molecular optoelectronics b ... |
6-9-2023 at 01:12 by: teodor |
NaOAc, KOAc and K2CO3. You probably can easily separate K2CO3 and Na/K acetate (acetate is soluble in many organic solvents ... |
4-9-2023 at 07:26 by: teodor |
Solvent for realgar? But why Woelen do you need a slovent for such low-melting salt? Do you think it can produce too much ... |
28-8-2023 at 05:51 by: teodor |
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