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Extraction of pH indicator from black pellargonium
%&○₩♧>☆#!
My bad, they were Petunias! I'm not a botanical expert. My bad. Sorry.
... |
14-6-2017 at 21:29
by: MeshPL |
urgent help carcinogenic nickel and cobalt nitrate
[quote]
Boiling phosphorus in NaOH could result in the production of phosphine, that sounds like ... |
14-6-2017 at 21:15
by: MeshPL |
urgent help carcinogenic nickel and cobalt nitrate
Calm down, there's no reason to panic. Salts have hard time penetrating skin. Wash your hands WELL. ... |
14-6-2017 at 11:59
by: MeshPL |
Extraction of pH indicator from black pellargonium
I don't know. We just call it pelargonium, and I commited some misspellings by writing pellargonium. ... |
13-6-2017 at 22:04
by: MeshPL |
Rather stupid smokebomb composition.
Did another experiment. Fuel will not help mixtue burn unless in large quantities. However both CuO ... |
13-6-2017 at 06:30
by: MeshPL |
Extraction of pH indicator from black pellargonium
Did it again with 2 fresh flowers and about 50 ml of water. Microwaving was necessary to extract the ... |
13-6-2017 at 06:26
by: MeshPL |
Extraction of pH indicator from black pellargonium
My mum being a big fan of monochromatic flowers has some black pellargoniums. I collected some of th ... |
12-6-2017 at 05:50
by: MeshPL |
Rather stupid smokebomb composition.
I tried adding a catalyst. It helped. A bit.
4g of potassium chlorate and 2g of urea were thoroug ... |
12-6-2017 at 04:58
by: MeshPL |
Rather stupid smokebomb composition.
CO(NH2)2 + KClO3 ---> CO2 + 2H2O + KCl + N2
Simple enough.
Molar mass of urea: 12+16+2×14+ ... |
5-6-2017 at 11:30
by: MeshPL |
Rather stupid smokebomb composition.
Just tried stochiometric mixture of urea with KClO3 (I prefer it to permanganate as it is not colour ... |
5-6-2017 at 08:15
by: MeshPL |
Rather stupid smokebomb composition.
I made some NH4SCN and permanganate mix with more accurate stechiometry and tested it.
Ammonium t ... |
1-6-2017 at 07:37
by: MeshPL |
Rather stupid smokebomb composition.
I do not have KClO4, only KClO3. But the latter will form NH4ClO3, so it is a no no. I may try with ... |
30-5-2017 at 22:08
by: MeshPL |
Rather stupid smokebomb composition.
Old, not dry, ammonium thiocyanate and potassium permanganate crystals were separately powdered. App ... |
30-5-2017 at 09:11
by: MeshPL |
Problem with a burner
Could be. Turns out that there was a lot of junk in side of the burner (how did it got there?), shak ... |
18-5-2017 at 09:20
by: MeshPL |
Preparation of Copper (I) oxide from copper?
Copper I oxide can be made from copper ii solutions just by addition of sulfite and maybe changing p ... |
17-5-2017 at 20:51
by: MeshPL |
Birch reduction - why does it reduce OH from pseudoephedrine, rather than reducing the benzene ring?
An interesting fact: lithium in ammonia will reduce almost any substituent on benzylic position to C ... |
17-5-2017 at 20:37
by: MeshPL |
Problem with a burner
I MAY have a problem with a burner in my school. It doesn't behave like a good laboratory burner. Un ... |
17-5-2017 at 14:20
by: MeshPL |
How can i safely dispose of my lump of sodium?
That's not that bad idea. Just find suitably high bridge or a lake/pond next to a hill and throw it. ... |
22-3-2017 at 22:33
by: MeshPL |
Indigo: a ghetto synthesis
I don't know. I don't really have means to reflux reactions. I was wondering if it was possible to m ... |
15-3-2017 at 05:28
by: MeshPL |
Indigo: a ghetto synthesis
Oh, but how are you going to make o-nitrobenzaldehyde? I don't know for sure, but it is not easy to ... |
14-3-2017 at 15:12
by: MeshPL |
Indigo: a ghetto synthesis
So I was wondering if it was possible to synthesise indigo dye with as little equipment and reagents ... |
14-3-2017 at 14:16
by: MeshPL |
Effects of NaOH on cellulose
I knew about this 2 stage process , but I just wondered, if it was possible to avoid extra steps, wh ... |
13-3-2017 at 05:28
by: MeshPL |
Effects of NaOH on cellulose
Lubricant... petroleum jelly will be a good one for sure and is commonly available. Still worried ab ... |
12-3-2017 at 23:08
by: MeshPL |
What is the smell of red phosphorus?
Even if your phosphorus is pure, it may be possible, that merely exposing it to moisture and air for ... |
12-3-2017 at 14:17
by: MeshPL |
Effects of NaOH on cellulose
I technically don't have the mold yet, (hence: "assume"), guess 2 part mold is the only option. Do y ... |
12-3-2017 at 14:11
by: MeshPL |
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