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What fluorescent chemical is in this orange powder?
I found the structure of the water soluble kind [url=https://maxmax.com/phosphorsdyesandinks/uv-inks ... |
31-5-2019 at 06:59
by: Ubya |
Accurate Transfer of Volatile Liquid Standards
Have you tried cooling? I mean keeping the standards in a fridge, or better in a freezer, and maybe ... |
31-5-2019 at 06:30
by: Ubya |
Metal oxides
some pottery oxides are fired at high temperature, causing a low reactivity, but yours could be unfi ... |
28-5-2019 at 23:56
by: Ubya |
Separating terpenes dissolved in ethanol from solution?
[rquote=613851&tid=150459&author=khourygeo77]1 mode has a heat precise enough that makes dis ... |
28-5-2019 at 13:16
by: Ubya |
Separation of paraffin wax
You could try to saponify beeswax and break the major component triacontanyl palmitate, separating t ... |
28-5-2019 at 13:11
by: Ubya |
Synthesis of satan and how to tear gas yourself in the process
The HCl is a catalyst, it should be used in really small quantities (Drops), to have that effect you ... |
27-5-2019 at 15:02
by: Ubya |
[Lab] Setup [opinions?]
[rquote=613721&tid=150373&author=Tkuze]
Ubya- im a professional chemist, so of course I hav ... |
27-5-2019 at 11:38
by: Ubya |
Separating terpenes dissolved in ethanol from solution?
[rquote=613643&tid=150459&author=S.C. Wack]Sand will not substitute as indicated by the pric ... |
27-5-2019 at 07:14
by: Ubya |
sharing Awesome Chemical Pictures (Read first comment)
[rquote=613680&tid=146675&author=woelen]That's interesting. How much solvent did you need fo ... |
27-5-2019 at 05:34
by: Ubya |
What is the goo formed by adding KOH to crude diethyl ether?
[rquote=613683&tid=149920&author=Keras]Or I was wondering if the acetaldehyde could be oxidi ... |
27-5-2019 at 00:42
by: Ubya |
Purifying calcium/ammonium nitrate fertilizer, how to determine product?
as other said, ammonium nitrate on decomposition gives N2O, not NO2. i have at home 5kg of ammonium- ... |
26-5-2019 at 11:19
by: Ubya |
[Lab] Setup [opinions?]
[rquote=613435&tid=150373&author=Tkuze]Exactly! Haha. I have a hood in my shared professiona ... |
23-5-2019 at 15:23
by: Ubya |
How to accurately determine NH3 concentration?
[rquote=613409&tid=150389&author=Sulaiman]Disposable pipettes at about one pence each are ch ... |
23-5-2019 at 12:07
by: Ubya |
How to accurately determine NH3 concentration?
[rquote=613393&tid=150389&author=fusso]What indicator should I use?[/rquote]
Probably met ... |
23-5-2019 at 09:18
by: Ubya |
How to accurately determine NH3 concentration?
titration is the keyword |
23-5-2019 at 06:16
by: Ubya |
Methyl Ethyl Ketone Peroxide
[rquote=613289&tid=20&author=Simoski]The company that I ordered from delivered MEK and not M ... |
23-5-2019 at 03:19
by: Ubya |
Preperation of ethyl salicylate
well, it's strange, it's a common didactic experiment, it's hard to get absolutely nothing |
21-5-2019 at 23:08
by: Ubya |
Tourist/sightseeing places related to chemistry
the first picture is surreal, looks like a cartoony chemical/radioactive waste pond, sooo cool j_sum ... |
21-5-2019 at 22:34
by: Ubya |
NaH2PO2 from China on Ebay?
[rquote=613035&tid=116454&author=Jules]I have an example of scrutiny of individuals buying c ... |
19-5-2019 at 14:07
by: Ubya |
Help getting into organic chemistry
SM library has a few organic lab books but i don't remember a book about the theory. i have the pdf ... |
17-5-2019 at 08:25
by: Ubya |
Liner Alkanes to cycloalkanes
maybe if you explain the procedure you had in mind someone here could help you with the details, but ... |
17-5-2019 at 08:17
by: Ubya |
Help wanted ... calibrating a 2kg F1 calibration weight.
[rquote=612777&tid=150069&author=unionised]Just a thought.
Imagine some kind soul offers to ... |
16-5-2019 at 14:07
by: Ubya |
Dichloromethane
[rquote=612753&tid=117726&author=Chemi Pharma]
As I have said, here where I live, both DC ... |
16-5-2019 at 12:11
by: Ubya |
Liner Alkanes to cycloalkanes
Starting from linear alkanes is not recommended, you can make cycloalkanes with the diels-alder reac ... |
16-5-2019 at 11:33
by: Ubya |
Screwed soap cleaning soln, how to proceed?
[rquote=612285&tid=149962&author=unionised][rquote=612246&tid=149962&author=DrScrabs ... |
16-5-2019 at 09:06
by: Ubya |
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