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Elemental sulfur from sulfates? No, it is not like alcohol / vinager, yeast happily grows with our without oxygen but will produce e ... |
12-9-2019 at 03:24 by: Tsjerk |
Elemental sulfur from sulfates? You don't want to work with sulfate reducing bacteria/archaea... They are facultative anaerobic. If ... |
11-9-2019 at 23:21 by: Tsjerk |
Formaldehyde odor Are you sure you have paraformaldehyde and not hexamine? |
11-9-2019 at 23:13 by: Tsjerk |
Path to carminic acid Hydroxide groups are meta/para directors, as all phenols have at least a meta position available I g ... |
11-9-2019 at 23:11 by: Tsjerk |
Path to carminic acid I've only checked the 1991 synthesis, so I don't know whether different paths have been discovered i ... |
10-9-2019 at 23:43 by: Tsjerk |
Need Help Separating different isomers of Halogenated Benzene Compounds Strange story about that electrophoresis... Molecules have to be charged to be effected by an electr ... |
10-9-2019 at 08:25 by: Tsjerk |
Potassium oxalate, K2C2O4 Can you check the melting point? Apperantly the anhydrous salt melts at 160 and the monohydraat at 3 ... |
10-9-2019 at 08:19 by: Tsjerk |
Paraformaldehyde from 37% formaldehyde https://www.sciencedirect.com/science/article/abs/pii/S0255270104002016
Might be helpfull. I have ... |
9-9-2019 at 13:51 by: Tsjerk |
Feasibility of preparing copper phthalocyanine at home I did something similar to the urea / di-acid in microwave reaction. I don't think there is HCl prod ... |
7-9-2019 at 14:33 by: Tsjerk |
Al catching fire in a cast iron crucible in a kiln? Doesn't aluminium burn on its own at very high temperatures?
I believe I once saw an aluminum ro ... |
3-9-2019 at 10:23 by: Tsjerk |
I burnt my copper tartrate Use CaCl2 as dessicator and add methanol or ethanol if needed. CaCl2 will absorb both alcohols and w ... |
1-9-2019 at 07:17 by: Tsjerk |
Dissolving Calcium ammonium nitrate in Ethanol I would leave the CaCl2 out of the solution and use it as dessicator. You will get the hydrated salt ... |
31-8-2019 at 07:49 by: Tsjerk |
Is it possible to generate electricity from a pH gradient? Look for the Nernst equation. It is how pH meters work. |
30-8-2019 at 06:58 by: Tsjerk |
Is it possible to generate electricity from a pH gradient? If you have a semi-permeable membrane it is easy. Bacteria and mitochondria reach 180 mV over their ... |
30-8-2019 at 04:17 by: Tsjerk |
Dissolving Calcium ammonium nitrate in Ethanol [rquote=621612&tid=153443&author=Kobold vor NH4]@Tsjerk
No, the only things written on bag ... |
30-8-2019 at 04:11 by: Tsjerk |
Dissolving Calcium ammonium nitrate in Ethanol Do you have the NPK number for your nitrate? And what does it look like? I've seen this name coming ... |
29-8-2019 at 12:50 by: Tsjerk |
Mystery compound, a challenge! Congrats! Sounds like a likely candidate. Even more so if you can measure the anhydride. |
28-8-2019 at 22:23 by: Tsjerk |
Cody like biosphere I had three large adult shrimp swimming happily with a bunch off eggs, but the all three died in a c ... |
28-8-2019 at 04:04 by: Tsjerk |
Mystery compound, a challenge! I did check the chlorsalicylic acid and its reaction with Fe(III) and it indeed forms an intense vio ... |
26-8-2019 at 14:48 by: Tsjerk |
Mystery compound, a challenge! Good luck! Keep us posted! |
26-8-2019 at 05:29 by: Tsjerk |
Mystery compound, a challenge! 5-Chlorosalicylic-acid? MP 171, soluble in acetic acid (pH<7). The phenol being formed by oxidati ... |
25-8-2019 at 11:27 by: Tsjerk |
Lugdunomycin The names seem similar, but are different.
about [url=https://en.wikipedia.org/wiki/Staphylococcu ... |
25-8-2019 at 06:09 by: Tsjerk |
Tungsten metal plus piranha solution? [rquote=621179&tid=153266&author=AJKOER]Per this study https://apps.dtic.mil/dtic/tr/fulltex ... |
24-8-2019 at 06:58 by: Tsjerk |
failiure at nitration, can I recover anything? That is what you call tar. It might be possible to recover acid from it, but only when you're really ... |
24-8-2019 at 06:54 by: Tsjerk |
Ester headache There are some esters that will give you a headache while working in a fumehood wearing cloves.
... |
23-8-2019 at 13:53 by: Tsjerk |
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