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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
Preparation of dimethyl carbonate without autoclave or phosgene
I bought some DMC from a chemical supplyer, but it was 50Euros for a liter.
If you are inside EU yo ...
20-7-2021 at 09:25
by: Mateo_swe
Rare and hard to obtain chemicals for sale
Received my second order today.
Well packed and exactly what i ordered, fast delivery.
Thanks for ...
20-7-2021 at 08:49
by: Mateo_swe
Puryfiing 99% denatured alcohol
In Sweden we call homemade ethanol made for drinking "Hembrännt", hem=home, brännt=brewed, distill ...
17-7-2021 at 07:31
by: Mateo_swe
liquid cooling for an ozone generator?
I found a patent where they use a electrolytic process for the production of ozone that seem very in ...
17-7-2021 at 02:29
by: Mateo_swe
liquid cooling for an ozone generator?
I think the mineral oil is a great idea, and it isolates any high voltage good.
If you then can con ...
16-7-2021 at 08:40
by: Mateo_swe
(Video) Sugar dehydration - an alternative to the use of concentrated sulfuric acid
Looks a bit like when i was young and mixed KNO3 and common sugar and set it on fire.
I soon found ...
15-7-2021 at 10:24
by: Mateo_swe
Cleaning glassware with limited reagents.
I would also recommend a classic porcelain Buchner funnel and filter papers, especially when i know ...
15-7-2021 at 09:11
by: Mateo_swe
Can I expect good separation of haloform products?
Is there no risk of phosgene if doing the acetone with aqueous calcium hypochlorite distillation pre ...
14-7-2021 at 23:02
by: Mateo_swe
Zn-Hg amalgam safety
I know the mercury is still present in the Al-Hg but i thought the main working reaction was to remo ...
13-7-2021 at 10:11
by: Mateo_swe
Zn-Hg amalgam safety
Hmm, when doing Al-Hg the Mercury(II)chloride is removing the oxide layer of the Al making it very r ...
12-7-2021 at 16:15
by: Mateo_swe
Storing chemicals and ordinary refridgerators and freezers
How long can one store H2O2 before the % starts to go down?
I have heard people say "my H2O2 is old ...
12-7-2021 at 14:51
by: Mateo_swe
liquid cooling for an ozone generator?
Maybe you can coat the outside of the stainless steel tube with something that is isolating and cond ...
12-7-2021 at 14:03
by: Mateo_swe
The perfect washbottle - which one should I get?
If you want really small bubbles there is these all stainless steel diffusion stones used for homebr ...
12-7-2021 at 13:11
by: Mateo_swe
Quartz tubes
Links dont work
12-7-2021 at 12:28
by: Mateo_swe
Storing chemicals and ordinary refridgerators and freezers
The things that smell are,
Some solvent mix "cellulose thinner" in a original metal container with ...
4-7-2021 at 04:19
by: Mateo_swe
What are most dangerous toxic chemicals you are comfortable handling in your home lab?
Lets say you want to do some reactions in your home lab that call for using one of the more high tox ...
4-7-2021 at 02:50
by: Mateo_swe
What are most dangerous toxic chemicals you are comfortable handling in your home lab?
Very strange i didnt get the same effects.
I know ozone smells at very low concentrations but i mus ...
3-7-2021 at 00:23
by: Mateo_swe
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