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Melissa essential oil solvent extraction
Your suggestion about cheese cloth is pretty good, though I think my method is not very smart. I rea ... |
17-8-2013 at 07:01
by: Random |
How is soil analysis exactly performed?
from wikia:
[quote]
Soil testing Soil testing is often performed by commercial labs that offe ... |
17-8-2013 at 06:18
by: Random |
Melissa essential oil solvent extraction
[img]https://www.horizonherbs.com/images/products/lemon-balm-Melissa-officinalis-plant-seed.jpg[/img ... |
15-8-2013 at 15:32
by: Random |
Phthalate from PVC tubing and wire insulation
Actually almost same results were obtained with both types of pvc material. I think after I put them ... |
13-8-2013 at 19:05
by: Random |
Soluble Manganese (II) salts from battery MnO2 w/ metabisulfite
I would gladly provide the reference, but all I remember that I have seen it on versuchschemie.net. ... |
13-8-2013 at 18:59
by: Random |
Soluble Manganese (II) salts from battery MnO2 w/ metabisulfite
Do you mean reduced manganese as in manganese (II) sulfite? I heard transition metal sulfites are qu ... |
11-8-2013 at 05:34
by: Random |
Potassium nitrate from 15-15-15 fertilizer
[rquote=295072&tid=25533&author=Oscilllator]Well just FYI wikipedia says ammonium carbonate ... |
11-8-2013 at 05:19
by: Random |
Soluble Manganese (II) salts from battery MnO2 w/ metabisulfite
I have read somewhere a way to reduce MnO2 using metabisulfite, but it also included NaHSO4 which I ... |
11-8-2013 at 05:16
by: Random |
Phthalate from PVC tubing and wire insulation
I added a small amount of cut PVC tubing into the test tube:
<img src="http://t1.gstatic.com ... |
11-8-2013 at 05:05
by: Random |
Potassium nitrate from 15-15-15 fertilizer
From what I read on the fertilizer it contains the following:
[quote]
15% Nitrogen: around 6.4 ... |
7-8-2013 at 22:34
by: Random |
Is "nascent hydrogen" actually a free radical?
Which would explain the reduction with metal/acid.
[quote]
t sufficiently low temperatures, fr ... |
4-8-2013 at 15:48
by: Random |
Glycogen anyone?
What is it used for in biochemistry? |
31-7-2013 at 14:47
by: Random |
Urea is not hydrolyzing in Ca(OH)2..
I mixed excess of Ca(OH)2 with urea solution and left it for one day, then added CuSO4 to a very sma ... |
30-7-2013 at 14:39
by: Random |
How to calculate time required for electrolysis until completion
For example if I have battery 9V 200mA and electrolyse a saturated solution 250mL of CuSO4(aq), is i ... |
27-7-2013 at 08:25
by: Random |
getting rid of urea
I have npk fertilizer and i need to hydrllize urea so i can recrystalize kno3 from it. I tried to ad ... |
19-7-2013 at 00:20
by: Random |
Lovely Smells
[rquote=292469&tid=24883&author=Crowfjord]@Madscientist: that reminds me of a trick I played ... |
15-7-2013 at 22:23
by: Random |
Sweet smell of AN fertilizer
I remember the last time when I was handling a lot of AN, I could smell it and it was very pleasantl ... |
15-7-2013 at 03:51
by: Random |
Pine resin derivatives
papaya, never thought of this, I'm going to do it next time because I threw this sample away..it was ... |
12-7-2013 at 15:21
by: Random |
Stories of extremely chemophobic parents and yours :p
[rquote=287701&tid=24531&author=bfesser]
<li>Specify the exact asbestos mineral. For ... |
12-7-2013 at 04:59
by: Random |
Question
How fast does urea hydrolize in Ca(OH)2? I don't care if ammonia is still in solution I just don't w ... |
11-7-2013 at 21:55
by: Random |
Acid strength
[rquote=291890&tid=25041&author=Magpie]
I think relative salt solubility is more relevant t ... |
11-7-2013 at 21:47
by: Random |
Best way to get rid of hypochlorite?
I don't know bfesser, Beginnings or General Chem forum.. anything works for me. It's not like the th ... |
11-7-2013 at 21:33
by: Random |
Why is citric acid such a fertile ground for bacteria/fungus?
Every time I make a citrate salt, fungus attacks it and grows on it like crazy.
I even made coppe ... |
11-7-2013 at 21:29
by: Random |
Best way to get rid of hypochlorite?
Haha no worries bfesser 
Anders, any other alternatives to H2O2? I have very old 3% solution ... |
11-7-2013 at 21:16
by: Random |
Best way to get rid of hypochlorite?
If I was to attemp a hoffman rearrangement of benzamide to aniline, there would be still some hypoch ... |
11-7-2013 at 21:01
by: Random |
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