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Pepper to Piperine problem
If the end goal of piperine extraction is to make piperonal maybe another route is easier.
De-methy ... |
28-1-2023 at 12:16
by: Mateo_swe |
Confusion on SO3 Synthesis
Have you read Len´s book "Small-scale Synthesis Of Laboratory Reagents"?
Chapter 20 - Sulfur Triox ... |
26-1-2023 at 06:21
by: Mateo_swe |
Preparation of Thalidomide
Very nice!
OK, you used urea and not thiourea.
Thiourea is said to give better yields, if you ca ... |
25-1-2023 at 12:54
by: Mateo_swe |
Phthalic anhydride by thermal decomposition of phthalic acid (Photo-essay)
Nicely done and a excellent write-up. |
23-1-2023 at 14:00
by: Mateo_swe |
Preparation of Thalidomide
Very nicely done, SplendidAcylation, good work!
And a good writeup as well with repeated experime ... |
23-1-2023 at 12:50
by: Mateo_swe |
Idiocy in action; don't be me
Sorry for your loss, arkoma.
Rainwater, holy shit that looks bad.
You are so lucky you are alive ... |
23-1-2023 at 05:52
by: Mateo_swe |
Suitable manometer
A common vacuum gauge.
One of these
[img]https://i.ebayimg.com/thumbs/images/g/S1QAAOSwdhdcQjRf/s- ... |
23-1-2023 at 05:34
by: Mateo_swe |
Replacement for acetonitrile in oxone oxidation
Just buy acetonitrile, you are in Europe.
If you cant get it ask one of the sellers in the "Reagent ... |
23-1-2023 at 05:22
by: Mateo_swe |
pharma / food grade ethanol - distillation using Hempel column
Slower fermentation at a slightly lower temp probably reduce impurities as you say, and slower disti ... |
19-1-2023 at 05:36
by: Mateo_swe |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
Im more intrested in the contaminating stuff than water content.
Its not so hard to remove water up ... |
19-1-2023 at 05:01
by: Mateo_swe |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
Wow, 99.9% and 99.95% ethanol.
Getting that % from fermentation and distillation is impressive and ... |
17-1-2023 at 10:09
by: Mateo_swe |
pharma / food grade ethanol - distillation using Hempel column
Excellent results, nicely done.
Time to buy some sugar, turbo-yeast and fire up the old distiller ... |
17-1-2023 at 09:45
by: Mateo_swe |
Anyone experiment with paramagnetic liquids?
Not what you asked but a bit related and quite cool.
If one take a little bit of ferrofluid and p ... |
17-1-2023 at 06:44
by: Mateo_swe |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
Thats nice tnx, i look into it.
I just looked at various etanol products but all contain what i s ... |
17-1-2023 at 06:16
by: Mateo_swe |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
OK
If i want some pure ethanol there is a product avaliable that contains this according to the saf ... |
17-1-2023 at 05:28
by: Mateo_swe |
Ion exchange resin -> membrane
Ion exchange membranes dont have to be so expensive, there are many different ones and some are not ... |
17-1-2023 at 03:39
by: Mateo_swe |
Distilled some EtOH denatured with Bitrix, and the distillate smells funny
[rquote=680393&tid=159226&author=blogfast25][rquote=680386&tid=159226&author=unionis ... |
17-1-2023 at 03:11
by: Mateo_swe |
Sulfur/Selenium/Tellurium High-K dielectric
You are probably correct, but will the mixed compound still have the high dielectric K-factor that B ... |
2-1-2023 at 14:42
by: Mateo_swe |
hho electrolysis plate configuration
Junk_Enginerd, you said you used at maximum 1500W and the flame produced by that was laughably small ... |
2-1-2023 at 14:26
by: Mateo_swe |
Sulfur/Selenium/Tellurium High-K dielectric
Onyxmet has Barium Titanate if a smaller amount is needed, but its quite expensive.
I think for mak ... |
2-1-2023 at 12:22
by: Mateo_swe |
Other acids than oxyacids
Honey, have you seen my wedding ring?
Sorry babe, had to use it for the new synthesis challenge but ... |
2-1-2023 at 10:49
by: Mateo_swe |
Nitric acid skin burn
Looks painful, i hope you heal soon.
HNO3 for warts?
I have seen mini flasks of glacial acetic a ... |
2-1-2023 at 10:17
by: Mateo_swe |
Sources of Diethylene glycol, Triethylene glycol, and 1,2,4-Butanetriol
Hendi liquid fuel is a similar product that says 100% DEG. |
30-12-2022 at 15:12
by: Mateo_swe |
Tungsten rod not pure ?
The second ebay link in OPs post states its pure tungsten rod 99.99%
But they are only 100mm long a ... |
30-12-2022 at 14:29
by: Mateo_swe |
Vaccum Distilling Xylene - Foaming and Boil Over - How to Prevent?
Have you tried not to use any vacuum?
140°C isnt high temp, or are there any other resons for usin ... |
21-12-2022 at 05:25
by: Mateo_swe |
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