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Bromo-DDT, p,p-dibromo-diphenyl-1,1,1-trichloro-ethane
Tsjerk - wow, beautiful. I do not have any greenhouse, just garden. I attract ladybugs, they are ver ... |
6-2-2020 at 11:17
by: Fery |
Isn't this a little gem?
Hi woelen, thx for sharing. Interesting method. I know the method using HNO3+HCl to convert NH4+ int ... |
6-2-2020 at 09:03
by: Fery |
drying isopropyl nitrite with CaCl2
Instead of the fast reaction ("depleted black powder lacking S"), couldn't it be done in some "contr ... |
6-2-2020 at 08:46
by: Fery |
drying isopropyl nitrite with CaCl2
NaNO2 is a food additive, especially products from meat like sausages, ham etc. It binds to hemoglob ... |
5-2-2020 at 10:47
by: Fery |
drying isopropyl nitrite with CaCl2
[url=https://www.sciencemadness.org/whisper/member.php?action=viewpro&member=chemx01]chemx01[/ur ... |
5-2-2020 at 01:41
by: Fery |
Red Phosphorus Source
Yes customs administration searched her home and found methamphetamine and also other evidence mater ... |
5-2-2020 at 01:09
by: Fery |
Red Phosphorus Source
Yes, onyxmet seems to be kind for EU, because when buying from outside of EU the parcel is checked b ... |
4-2-2020 at 11:09
by: Fery |
Red Phosphorus Source
https://onyxmet.com/index.php?route=product/product&path=69_82&product_id=84 |
3-2-2020 at 14:29
by: Fery |
Preventing peroxide formation in recovered ether
This is not true ether stabilizer, but you can use FeSO4 to destroys peroxides before distillation a ... |
3-2-2020 at 14:23
by: Fery |
seperation of cobalt and copper
Co (s) + CuCl2 (aq) -> CoCl2 (aq) + Cu (s)
Addition of Co metal into solution of CuCl2 + CoCl2 p ... |
31-1-2020 at 13:49
by: Fery |
chemiluminiscence
I determined the H2O2 concentration, only approximately:
1,00 ml of H2O2 released 130 ml of O2 at 1 ... |
27-1-2020 at 11:09
by: Fery |
seperation of cobalt and copper
Hi KaliyaK, I did similar cation separations more than 25 years ago and luckily I found the brochure ... |
26-1-2020 at 10:03
by: Fery |
Manganates... not PERmanganates (Mn V and VI Redox Chemistry)
[rquote=613449&tid=149859&author=Bedlasky]I haven't any barium salt so I can't try this  . ... |
22-1-2020 at 13:27
by: Fery |
photos - azelaic acid from oleic acid by KMnO4 oxidation
saponification - reactants from the left: beaker with 100 g of sunflower oil high oleic acid, bottle ... |
20-1-2020 at 09:08
by: Fery |
azelaic acid from oleic acid - yield 70%
15 g NaOH + 150 ml 90% IPA, dissolve as much as you can - some NaOH stays undissolved, well KOH + et ... |
20-1-2020 at 05:43
by: Fery |
Azelaic acid
unionised that's it, you are right !
Tsjerk I'm currently out of my lab and will be back in 1 week, ... |
20-1-2020 at 00:35
by: Fery |
chemiluminiscence
karlos³ I used 30% H2O2 which was certainly older than 10 years but apparently it was stabilized so ... |
19-1-2020 at 06:29
by: Fery |
Azelaic acid
unionised yes the oleic acid gave 70% yield of azelaic acid but I should complete report and post it ... |
19-1-2020 at 06:09
by: Fery |
chemiluminiscence
Na DCCA is the best. NaOCl reacts too fast, TCCA too slow. DCCA speed is accurate.
This experiment ... |
18-1-2020 at 11:10
by: Fery |
Azelaic acid
Tsjerk I found the method here [url=http://orgsyn.org/Content/pdfs/procedures/CV2P0053.pdf]http://or ... |
18-1-2020 at 10:53
by: Fery |
Azelaic acid
[rquote=628368&tid=154608&author=Boffis]Have you tried boiling the 31.5g of semisolid scum w ... |
16-1-2020 at 09:49
by: Fery |
bornyl chloride synthesis by addition of HCl gas to alfa pinene
GDOSB I found the method, it was sitting in my disk for few months already... When you have a lot of ... |
11-1-2020 at 12:23
by: Fery |
bornyl chloride synthesis by addition of HCl gas to alfa pinene
Hi Metacelsus, I already tried this:
0,5 g anhydrous Na acetate + 2 ml of glacial acetic acid, comp ... |
11-1-2020 at 11:34
by: Fery |
Formula for dark green chromium acetate
Wow you've bought a chemical compound from a supplier who is even unable to label the bottle properl ... |
10-1-2020 at 03:45
by: Fery |
bornyl chloride synthesis by addition of HCl gas to alfa pinene
Mother liquor left after the second recrystallization was concentrated by partial evaporation to abo ... |
10-1-2020 at 00:11
by: Fery |
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