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How to find or define units? [rquote=513504&tid=81797&author=RawWork]Is there anything natural stable and standard?[/rquo ... |
8-4-2018 at 13:59 by: Fulmen |
How to find or define units? As Xeon correctly points out all of the SI-units are arbitrary by nature. If removed from any reliab ... |
7-4-2018 at 14:15 by: Fulmen |
Copper (ii) Oxide Powder from Wire Scraps I doubt boiling will aid in oxygen absorption. First of all warm solutions dissolve less oxygen, and ... |
6-4-2018 at 23:33 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel I give up. After acidifying it with sulfuric acid I added potassium carbonate in hope of precipitati ... |
6-4-2018 at 07:52 by: Fulmen |
Fisher Accumet IC (transistor?) replacement? I think Twospoons has covered everything. It definitively looks like the LM7805:
http://bg-electron ... |
5-4-2018 at 23:31 by: Fulmen |
Copper (ii) Oxide Powder from Wire Scraps I won't comment on the direct oxidation, but if you're going for a wet process avoid the direct prec ... |
5-4-2018 at 09:16 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel Don't see why not. I don't see any reason for "titrating" the calcium, a slight excess of acid shoul ... |
4-4-2018 at 23:49 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel That's an excellent point, and both of these are far more soluble than the sulfates. I think it's wo ... |
4-4-2018 at 15:51 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel I feel I've come as far as I can with the calcium route. Either I'm getting chromate precipitation o ... |
4-4-2018 at 12:06 by: Fulmen |
Looking for the right exothermic reaction Honestly, if I knew the solution I wouldn't tell you for a million dollars. That's a product that wo ... |
3-4-2018 at 23:36 by: Fulmen |
Making an acrylic büchner funnel I wouldn't use SAN for any solvent (except water) or strong acids/lye. I made the funnel for recryst ... |
3-4-2018 at 15:18 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel Decanting sort of works, but it's awfully slow and inefficient. But it's not the calcium chromate ca ... |
3-4-2018 at 01:05 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel The new funnel and a very coarse filter has helped a lot. Or at least postponed the problem with the ... |
2-4-2018 at 13:35 by: Fulmen |
Reversible reactions for energy storage Stop digging, you've already hit rock bottom. |
2-4-2018 at 09:57 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel I did use vacuum, I managed to McGyver the broken funnel good enough for a couple of runs. Besides, ... |
2-4-2018 at 09:30 by: Fulmen |
Making an acrylic büchner funnel O ye, of little faith. Watch and weep:
[file]66851[/file] |
2-4-2018 at 09:26 by: Fulmen |
Reversible reactions for energy storage [rquote=512786&tid=81610&author=RawWork]Energy is power per time like W=P/t or W=P*t, forgot ... |
2-4-2018 at 08:46 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel Re: your rest, I don't really see the point. The color and pH-response should be enough to confirm t ... |
1-4-2018 at 23:44 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel It doesn't look like a simple suspended solid, settling even for a day doesn't do anything to it. Be ... |
1-4-2018 at 14:00 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel What should this test indicate?
Personally I'm loosing my frikkin' mind here. I keep getting thi ... |
1-4-2018 at 13:36 by: Fulmen |
Starting from scratch This site has excellent science courses:
https://www.khanacademy.org/science/chemistry |
1-4-2018 at 01:50 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel It's worth a try I guess.
I'm about done cleaning up this giant cluster f*ck. I ran out of HCl, so ... |
31-3-2018 at 15:20 by: Fulmen |
Seperating chrome from iron and nickel, stainless steel I think I know where it all started going wrong. I used the data from the [url=https://en.wikipedia. ... |
31-3-2018 at 13:26 by: Fulmen |
Starting from scratch You lazy fuck. Google would have told you that in seconds, just search "ester + reaction". |
31-3-2018 at 08:55 by: Fulmen |
Reversible reactions for energy storage The idea of storing seasonal energy chemically isn't really viable, you would have to store an insan ... |
31-3-2018 at 03:08 by: Fulmen |
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