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Oxalic Acid Danger
Also, spinach contain appr 1% OA. |
28-12-2018 at 05:52
by: Fulmen |
Oxalic Acid Danger
I've also seen OA listed as "extremely toxic", but Wikipedia has the following to say:
"In humans, ... |
27-12-2018 at 23:01
by: Fulmen |
Copper oxide
That has not been the case in my experiments. Gels tend to produce extremely fine particles, to the ... |
26-12-2018 at 12:33
by: Fulmen |
Can we travel back in time really?
[rquote=568840&tid=117013&author=Antineutron]Still can't get it[/rquote]
Then you need to r ... |
25-12-2018 at 11:14
by: Fulmen |
Best method for absorption or scrubbing of gases from air
This is a common technique used in a wide array of industrial applications. Any good process enginee ... |
18-12-2018 at 13:44
by: Fulmen |
Oxalate from formate?
Sounds interesting, but it's a little too ambitious for me. |
17-12-2018 at 01:24
by: Fulmen |
I need help with optoisolators. . .
Why the aversion against dividers? How 'bout LM3xx regulators? |
16-12-2018 at 10:13
by: Fulmen |
Oxalate from formate?
Whatever, I don't see it as germane to this topic. My initial focus was to investigate formates as a ... |
16-12-2018 at 08:39
by: Fulmen |
Oxalate from formate?
I'm sure you're right. It was nevertheless too impure for my taste, so I didn't see any other choice ... |
15-12-2018 at 10:56
by: Fulmen |
Oxalate from formate?
I ended up reprocessing everything via the calcium/sulfuric acid-route. It's a bit more wasteful, bu ... |
15-12-2018 at 08:35
by: Fulmen |
Oxalate from formate?
Idunno, I heated it until it melted to a glass. There seemed to be some black insoluble matter in it ... |
11-12-2018 at 13:43
by: Fulmen |
Oxalate from formate?
The numbers are in, and they have me somewhat confused. Weight loss upon drying is consistent with t ... |
11-12-2018 at 12:52
by: Fulmen |
Oxalate from formate?
Fusso: 
Drying at ambient takes it's sweet time. It feels dry, but it's still loosing weight ev ... |
10-12-2018 at 13:21
by: Fulmen |
Will leaving stuff on an electronic balance decalibrate it?
It's quite possible. Any material under strain can creep over time. Structurally it's not a big prob ... |
9-12-2018 at 14:14
by: Fulmen |
Oxalate from formate?
LOL.
After some rough calculations and a little guesswork I started with 25g of sodium oxalate a ... |
9-12-2018 at 02:06
by: Fulmen |
Oxalate from formate?
Thanks, that was useful. The calcium/sulfuric acid method is covered on page one, so that is definit ... |
8-12-2018 at 23:58
by: Fulmen |
Oxalate from formate?
I have tried to convert it again by dissolving it in a minimum of boiling water, then add conc. HCl ... |
7-12-2018 at 12:15
by: Fulmen |
Oxalate from formate?
Dang, seems like I still have the sodium salt. That fits better with the solubility, but how do I co ... |
6-12-2018 at 22:39
by: Fulmen |
Oxalate from formate?
Another batch, so far it seems like I got similar yields. I dropped the other batch on the floor, so ... |
5-12-2018 at 13:30
by: Fulmen |
Oxalate from formate?
Yay! I redid the experiment, dissolving the product in 200ml of 15% HCl. Rather than trying to disso ... |
4-12-2018 at 09:40
by: Fulmen |
Oxalate from formate?
I got a fair amount of precipitate (29,2g dried @80°C, 26,7g @120°C), the first to form was a fine ... |
3-12-2018 at 09:44
by: Fulmen |
Oxalate from formate?
I did a preliminary test with 48,5g of NaOOCH and 1,5g NaOH, using a stainless beaker and a blow tor ... |
2-12-2018 at 11:33
by: Fulmen |
Oxalate from formate?
I noticed a slight smell of formaldehyde when drying the formate (120°C), this could be an issue as ... |
1-12-2018 at 06:28
by: Fulmen |
Oxalate from formate?
I'm recrystallizing some HCOONa now, it's a real PITA but at least I don't have to worry about yield ... |
30-11-2018 at 06:08
by: Fulmen |
Oxalate from formate?
This looks very promising. Here are some excerpts from the paper:
[i]Levi and Pita(3) ... stated ... |
29-11-2018 at 08:18
by: Fulmen |
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