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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: ![:P](./images/smilies/tongue.gif)
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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