You mix equimolar amount of bisulfite powder and formaldehyde. Let it crystallize under a good ventilated hood.
NaHSO3 + CH2O => HOCH2- SO3 Na
It can be produced also as byproduct from Dithionite
https://en.m.wikipedia.org/wiki/Rongalite
Search found 1542 matches
- Wed Mar 20, 2024 3:37 am
- Forum: Chemistry forum
- Topic: How to make Sodium hydroxymethanesulfonate
- Replies: 5
- Views: 104
- Tue Mar 19, 2024 3:05 pm
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
No I am in Europe.
I have no idea what products you get in your device.
Maybe you have to do tests and experiments.
One concern is the water free sulfuric acid. It is very hygroscopic and will absorb water from the humidity in the air.
I have no idea what products you get in your device.
Maybe you have to do tests and experiments.
One concern is the water free sulfuric acid. It is very hygroscopic and will absorb water from the humidity in the air.
- Mon Mar 18, 2024 10:37 pm
- Forum: Chemistry forum
- Topic: Molecular formula of the compound CH₂O
- Replies: 13
- Views: 3098
Re: Molecular formula of the compound CH₂O
Possibilities CH3COOH, acetic acid, HCOOCH3 Methylformiate, HOCH2CHO Glycolaldehyde,
- Mon Mar 18, 2024 11:54 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
You mean SO3? Sulfur trioxide, Sulfuric anhydride ?
Probably yes. Normal sulfate will convert to disulfate, trisulfate,etc.
SO4 2- + SO3 => S2O7 2-
S2O7 2- + SO3 => S3O10 2-
And so one gets ( SO4 * n SO3) 2- , this should be conductive
Probably yes. Normal sulfate will convert to disulfate, trisulfate,etc.
SO4 2- + SO3 => S2O7 2-
S2O7 2- + SO3 => S3O10 2-
And so one gets ( SO4 * n SO3) 2- , this should be conductive
- Mon Mar 18, 2024 10:51 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
Do you stay in russia or in other country.
- Mon Mar 18, 2024 10:09 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
Dont say this to loud. The arm of the big bear can reach you every where.
- Mon Mar 18, 2024 10:05 am
- Forum: Chemistry forum
- Topic: Molecular formula of the compound CH₂O
- Replies: 13
- Views: 3098
Re: Molecular formula of the compound CH₂O
The empieric formula is 30 g/mol, but the measured molar mass was 60 g/l.
It could be also 180 g/mol if it is a sugar C6H12O6 means 6 x CH2O.
Empieric formula says nothing about the real molecule. Only with 30 g/mol it could be formaldehyde.
It could be also 180 g/mol if it is a sugar C6H12O6 means 6 x CH2O.
Empieric formula says nothing about the real molecule. Only with 30 g/mol it could be formaldehyde.
- Mon Mar 18, 2024 9:46 am
- Forum: Chemistry forum
- Topic: Molecular formula of the compound CH₂O
- Replies: 13
- Views: 3098
Re: Molecular formula of the compound CH₂O
Because the teachers has given it.
- Mon Mar 18, 2024 9:44 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
Are you russian?
- Mon Mar 18, 2024 9:41 am
- Forum: Chemistry forum
- Topic: Molecular formula of the compound CH₂O
- Replies: 13
- Views: 3098
Re: Molecular formula of the compound CH₂O
But it wasn't
It was 60 g/mol
It was 60 g/mol
- Mon Mar 18, 2024 6:02 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
If you want to obtain the metal, then a aqueous solution is sufficient. The sulfat will not be attacked. Its common way to do electrolysis. If you melt a chloride you get chlorine by electrolysis. But where do you get the hydrogen. This happens only also in an aqueous solution or you have to produce...
- Mon Mar 18, 2024 2:40 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
Use iron sulfate.
PS: For what purpose you need it?
PS: For what purpose you need it?
- Mon Mar 18, 2024 2:13 am
- Forum: Chemistry forum
- Topic: Condition of disharge sulfat anions on anode
- Replies: 37
- Views: 508
Re: Condition of disharge sulfat anions on anode
Ammoniumsalts will decompose to ammonia and hydrogen. The anion reacts like above to peroxodissulfate.
- Mon Mar 18, 2024 2:11 am
- Forum: Chemistry forum
- Topic: Chemistry
- Replies: 3
- Views: 102
Re: Chemistry
You cannot deposit copperoxide by electrolysis. This is only possible with copper itself.
- Sun Mar 17, 2024 1:34 pm
- Forum: Chemistry forum
- Topic: Chemistry
- Replies: 3
- Views: 102
Re: Chemistry
You cannot make Cu2O solution, because it is not soluble. If you create it, it will precipitate imidiatelly. Probably can make nano particles or spray version. Maybe Fehling solution could be used. https://en.m.wikipedia.org/wiki/Fehling%27s_solution Your solution can be made dissolve coppersulfat a...