| Search |
| [Next Page] |
Czech amateur chemist found dead in his home(lab)
@Gargamel
Laboratory of Liptakov seems to be from Slovak republic and Brno is in Czech republic.
M ... |
18-3-2020 at 11:11
by: Fery |
d-limonene -> d-limonene nitrosochloride -> l-carvoxime -> l-carvone
l-carvoxime -> l-carvone
pls correct me if you find an error here, I did these calculations de ... |
17-3-2020 at 10:38
by: Fery |
d-limonene -> d-limonene nitrosochloride -> l-carvoxime -> l-carvone
Hi wg48temp9, you are right. Thanks to the quarantine - enough time to complete works outside and to ... |
16-3-2020 at 12:40
by: Fery |
d-limonene -> d-limonene nitrosochloride -> l-carvoxime -> l-carvone
d-limonene nitrosochloride -> l-carvoxime
18,3 g limonene nitrosochloride
7,5 g urea
90 ml I ... |
15-3-2020 at 23:57
by: Fery |
d-limonene -> d-limonene nitrosochloride -> l-carvoxime -> l-carvone
d-limonene -> d-limonene nitrosochloride
36,5 ml of d-limonene + 30 ml of IPA (isopropanol) an ... |
15-3-2020 at 23:47
by: Fery |
Ethylene / Propylene glycol as disinfectants ?
rockyit98 there is a difference between disinfection and sterilization
ethylene oxide is not be use ... |
7-3-2020 at 08:42
by: Fery |
allyl valerate - pineapple ester
DraconicAcid - I did not try that yet. Tert-butanol + acetic anhydride catalysed by ZnCl2 seems to b ... |
6-3-2020 at 09:10
by: Fery |
Ethylene / Propylene glycol as disinfectants ?
IIRC the toxicity of ethylene glycol in human body is caused predominately by its metabolites glycol ... |
6-3-2020 at 08:55
by: Fery |
allyl valerate - pineapple ester
I just searched databases and grabbed all scents pure for pineapple.
I love pears too (1-pentanol + ... |
5-3-2020 at 10:07
by: Fery |
allyl alcohol
Thx for the video link, very nice video.
By my experience the inert gas was not necessary (steam re ... |
5-3-2020 at 09:53
by: Fery |
Limonene Chemistry
wg48temp9 removing HCl (dehydrochlorination)
it could be done with urea also (Bordenca1951.pdf)
I ... |
1-3-2020 at 07:49
by: Fery |
allyl alcohol
Boffis it was very slow process (7 hours) but quite efficient. I've chosen a solvent not miscible wi ... |
1-3-2020 at 07:42
by: Fery |
allyl valerate - pineapple ester
j_sum I did it because of pineapple scent. I have almost every aliphatic carboxylic acid upto C9 (al ... |
29-2-2020 at 01:21
by: Fery |
Limonene Chemistry
Orange oil is quite cheap and you can buy it in 1 liter cans and even bigger... I have 2 l of techni ... |
29-2-2020 at 00:07
by: Fery |
Easy to obtain standards for titrations and other analytical methods
Potassium hydrogenphtalate for acidobasic titrations.
Zn metal for EDTA complexometric titrations ( ... |
28-2-2020 at 23:25
by: Fery |
Nickel carbonate!
Look for metal redox potential table. Pb is very close to Cu so reacts very slowly. Additionally, th ... |
28-2-2020 at 03:33
by: Fery |
allyl valerate - pineapple ester
I redistilled the product again now using appropriate 100 ml RBF (previously it was from 500 ml RBF ... |
28-2-2020 at 03:11
by: Fery |
Need to get water out of denatured ethanol
Heptylene that's a way to go too.
CaSO4 + 1/2 H2O -> CaSO4 . 1/2 H2O is very strong desiccator, ... |
27-2-2020 at 23:11
by: Fery |
allyl valerate - pineapple ester
To 1 L RBF was placed:
valeric acid 102 g 1 mol
allyl alcohol 70 g (approx 15% excess), from which ... |
27-2-2020 at 10:20
by: Fery |
Need to get water out of denatured ethanol
Yes but MgSO4 from pharmacies is MgSO4 . 7 H2O, it is used often for clearing colon before colonosco ... |
27-2-2020 at 09:12
by: Fery |
Need to get water out of denatured ethanol
then pls report the concentration of water still present after the dehydratation process or at least ... |
27-2-2020 at 03:48
by: Fery |
anhydrous allyl alcohol
To the 300 ml fraction was added 10 g NaOH which dissolved completely and formed bottom water layer. ... |
27-2-2020 at 02:52
by: Fery |
Need to get water out of denatured ethanol
rfx with CaO
3A molecular sieve
azeotropic distillation dehydratation (benzene works surely, perha ... |
27-2-2020 at 01:34
by: Fery |
allyl alcohol
This is continuation of the synthesis describe in the allyl bromide thread. For allyl bromide, there ... |
24-2-2020 at 11:34
by: Fery |
HCl gas generator for making (NH4)2[MoOCl5]
Why didn't you use HI as suggested in the book? There are some possibilities to prepare it (it is to ... |
22-2-2020 at 11:34
by: Fery |
| [Next Page] |
