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Condenser overpowering and joint size?
https://sklep-chemland.pl/en/szklo-laboratoryjne/chlodnice/chlodnice-ze-szlifem/chlodnice-dimrotha/c ... |
25-3-2021 at 22:46
by: Fery |
Nitric oxide/antiviral nose spray for COVID-19
symboom - the nitric oxide is very interesting neurotransmitter and it also affects vessels in male ... |
24-3-2021 at 07:15
by: Fery |
How much vacuum can an aspirator pull?
So I checked the old water aspirator with a manometer and it is much more powerful than the evacuate ... |
24-3-2021 at 06:31
by: Fery |
Nicotinamide => Nikethamide & Nicorandil
Nikethamide & Nicorandil are very old pharma substances, seem not to be used anymore, do you wan ... |
23-3-2021 at 00:38
by: Fery |
Nitric oxide/antiviral nose spray for COVID-19
NO is also synthesized in human body from arginine, the enzyme involved is NOS (NO Synthase)
there ... |
23-3-2021 at 00:30
by: Fery |
Cold and Minty
zed you can oxidize menthol using aqueous environment with dichromate+H2SO4, or in acetone environme ... |
22-3-2021 at 13:38
by: Fery |
Latest chemical order?
in my country you can buy 25 kg KNO3 food grade for 71 EUR
https://fichema.cz/dusinan-draseln-kno3/ ... |
20-3-2021 at 08:11
by: Fery |
furfural
Hi Boffis, grated horseradish has quite unpleasant effect in copious secretion from nose and flood o ... |
17-3-2021 at 07:05
by: Fery |
Latest chemical order?
Hi DraconicAcid, pls post then your experiments, I'm very interested in them. I've bought a little o ... |
17-3-2021 at 06:51
by: Fery |
First o-toluidine synthesis - running into some issues with the reaction mixture
it needs to be at least slightly alkaline
you cannot distill toluidine hydrochloride, you need free ... |
15-3-2021 at 13:07
by: Fery |
furfural
[rquote=652316&tid=15774&author=Boffis]Ethyl furoate, what does that smell like  ?[/rquote] ... |
15-3-2021 at 10:12
by: Fery |
Fumaric acid synthesis question
I've just received 250 g of fumaric acid (min. 99,5%) among a lot of other reagents. This order was ... |
15-3-2021 at 07:48
by: Fery |
Latest chemical order?
I have to highly recommend S3 chemicals, a Germany-based company. They sell also to individuals some ... |
15-3-2021 at 07:43
by: Fery |
First o-toluidine synthesis - running into some issues with the reaction mixture
This advice is too late, but why did you use Sn instead of Fe? Better yield / purer product / easier ... |
15-3-2021 at 07:21
by: Fery |
transesterification of hormones
yes vacuum |
14-3-2021 at 13:16
by: Fery |
Steam distillation of mint - not working?
Again the same procedure. 1 kg of dry mentha piperita herb from my garden was hydrodistilled. It had ... |
14-3-2021 at 10:50
by: Fery |
How much vacuum can an aspirator pull?
It was some time ago... I already have 2-stage oil rotary vacuum pump and manometer. But that time I ... |
14-3-2021 at 09:37
by: Fery |
How much vacuum can an aspirator pull?
Hi Fyndium, when distilling out fuming nitric acid from a mixture of azeotropic HNO3 + H2SO4 the gla ... |
13-3-2021 at 23:59
by: Fery |
transesterification of hormones
Hi, so do you have testosterone acetate and would you like to convert it to undecanoate? Like adding ... |
13-3-2021 at 23:32
by: Fery |
How much vacuum can an aspirator pull?
I have 2-stage oil rotary vacuum pump and one old plastic water aspirator pump.
Few months ago I've ... |
13-3-2021 at 07:00
by: Fery |
Speculative investments in chemical elements
10 y ago I invested approx 10000 EUR into somewhat like 1200 kg of Cu 0,55 mm sheets when covering t ... |
11-3-2021 at 09:11
by: Fery |
Where to get phosphorus pentoxide in Canada, and what's a reasonable price for it?
this is EU seller so I do not know whether you could avoid problems with customs (check laws and cus ... |
10-3-2021 at 07:51
by: Fery |
mononitrotoluenes (nitration of toluene)
OK I finally have pure 2,4-dinitrotoluene from the remainders in distillation flask after vacuum dis ... |
10-3-2021 at 07:36
by: Fery |
latest glassware purchase
I won in an auction a beautiful historical glass piece made in Sklarny Kavalier CZ under brand name ... |
10-3-2021 at 07:18
by: Fery |
latest glassware purchase
Fyndium, you are right, the biggest RBF 1 L:
https://sklep-chemland.pl/en/szklo-laboratoryjne/szklo ... |
9-3-2021 at 23:34
by: Fery |
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