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KHSO4 Potassium bisulfate
I have been looking for some Potassium bisulfate KHSO4 but even though its used in winemaking it see ... |
7-9-2021 at 10:00
by: Mateo_swe |
Fan for DIY fume/extraction hood
Hmm, i have to measure the with and height of the front when fully open.
I cant remember if the wit ... |
27-8-2021 at 05:59
by: Mateo_swe |
Fan for DIY fume/extraction hood
Its an fume/extraction hood that has a fan on top sucking the air + fumes out of the hood and to the ... |
20-8-2021 at 12:30
by: Mateo_swe |
Fan for DIY fume/extraction hood
I have built a fume extraction hood and are just finishing the last painting on it.
For fan i have ... |
20-8-2021 at 03:37
by: Mateo_swe |
Different molecular sieves question
OK.
So one could also use 4A molecular sieves to dry 96% ethanol to get absolute ethanol, is that c ... |
18-8-2021 at 06:17
by: Mateo_swe |
Chromatography Silica 60Å, 15-40µm
The think the dangers with silica dust is related to the particle size.
Any powder with around the ... |
18-8-2021 at 05:23
by: Mateo_swe |
Used rotary evaporators
I actually have thought about making a rotovap myself.
First i looked into making the rotary-statio ... |
17-8-2021 at 03:10
by: Mateo_swe |
Used rotary evaporators
Thank you for the info.
It seems to be a rather complicated task to try put together a rotovap fr ... |
16-8-2021 at 13:09
by: Mateo_swe |
Alibaba
Most things are made in China now, and that is also the good quality stuff.
Just because its made i ... |
16-8-2021 at 07:47
by: Mateo_swe |
Used rotary evaporators
I really want a rotovap but i dont have enough money to buy a new, good quality brand one.
So i gue ... |
16-8-2021 at 06:23
by: Mateo_swe |
Homemade and Repurposed Lab Gear
Thanks Konductor
Good to know these cleaning vacuum devices dont produce a continuous flow of ste ... |
16-8-2021 at 04:55
by: Mateo_swe |
Chromatography Silica 60Å, 15-40µm
I dont want to grind silica myself so buying it is probably the only option.
I could not measure th ... |
14-8-2021 at 00:54
by: Mateo_swe |
Heating bath agitation and temp control?
You could get a plastic bucket, cut pail or any resistant container and then use either foam spray, ... |
13-8-2021 at 08:37
by: Mateo_swe |
Chromatography Silica 60Å, 15-40µm
Does anybody know any shop/webstore in EU that sells chromatography silica gel 60, 0.015–0.04mm fo ... |
13-8-2021 at 05:43
by: Mateo_swe |
Storage of 35% H2O2
Sodium Perborate could be useful ta have in the future and i dont think its part of any "oxy-action" ... |
30-7-2021 at 08:31
by: Mateo_swe |
Storage of 35% H2O2
I found the SM thread about preparation of sodium perborate and also the Prepchem preparation of sod ... |
28-7-2021 at 08:49
by: Mateo_swe |
Storage of 35% H2O2
[rquote=663206&tid=157743&author=woelen]I am afraid that something is wrong with your H2O2.
... |
28-7-2021 at 07:43
by: Mateo_swe |
Storage of 35% H2O2
It says on the label:
Deka Fine Chemicals
Hydrogen Peroxide 35%, Pure, Stabilized.
It also says:
... |
22-7-2021 at 22:57
by: Mateo_swe |
Storage of 35% H2O2
Hmm, the PE plastic bottles were brand new, unused and i washed them with water before i put the H2O ... |
22-7-2021 at 07:14
by: Mateo_swe |
Storage of 35% H2O2
I recently bought 2L of 35% H2O2.
I currently have them in roomtemp and the plastic PE bottles are ... |
22-7-2021 at 01:00
by: Mateo_swe |
Different molecular sieves question
Molecular sieves are used to dry solvents and chemicals.
I read 3A Molecular sieves are used to dry ... |
21-7-2021 at 06:37
by: Mateo_swe |
NEY MARK IV DIGITAL VACUUM OVEN
What a nice vacuum oven, i would keep it and look for a manual.
The left dial says "minutes", maybe ... |
20-7-2021 at 23:54
by: Mateo_swe |
1,2-Methylenedioxybenzene from Sesamol(4-Hydroxy-1,2-Methylenedioxybenzene). Tosylation and reduction?
I would save the Sesamol for something better/more interesting.
Methylation of catechol with DCM wo ... |
20-7-2021 at 22:49
by: Mateo_swe |
Cheap 97% sulfuric acid and 35% hydrogen peroxide [from EU]
Received ordered 35% H2O2 and 97% sulfuric acid, fast delivery.
Thanks for providing these chemical ... |
20-7-2021 at 22:06
by: Mateo_swe |
Reagents for sale [from EU] [WORLDWIDE SHIPMENT]
Received ordered 35% H2O2 and 97% sulfuric acid, fast delivery.
Thanks for providing these chemical ... |
20-7-2021 at 22:05
by: Mateo_swe |
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