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Anhydrous oxalic acid
i found on the web that it starts subliming at 157°C, so you are probably safe with good ventilatio ...
5-7-2020 at 18:10
by: Ubya
DIY Centrifuge?
[rquote=639967&tid=14472&author=mayko]Another Prakash Lab invention: the HandyFuge, based on ...
5-7-2020 at 17:57
by: Ubya
Reducing bumping in vacuum distillation
What phenomenon this is based on?

you are introducing bubbles, other bubbles can grow fron those, ...
5-7-2020 at 08:24
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
mh i'm sorry if i'm not explaining well, i'm really not good at teaching.
yes each molecule can hav ...
5-7-2020 at 06:33
by: Ubya
Importing/Exporting Chemicals in the EU
also depends to who you are selling, it is different if you are selling 1ton of chemicals to a chemi ...
4-7-2020 at 08:04
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
[rquote=639793&tid=155667&author=semiconductive]@ubya
Missed this:
[quote]
limonene is no ...
4-7-2020 at 03:05
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
[quote]Hmmm....
Is the website, Wrong? I don't know, I didn't see a color listed. I did ask what ma ...
4-7-2020 at 02:32
by: Ubya
How to grow crystals & Why do they form?
[rquote=639789&tid=155721&author=Yttrium2]I think I got it right, form the supersaturated so ...
3-7-2020 at 18:41
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
sinensetin is not orange, i found one source that said it is white to beige https://m.chemicalbook.c ...
3-7-2020 at 03:19
by: Ubya
Blowing 100k on science equipment
that's wonderful news!

i would invest in good microscopes, they keep their value pretty well.
an ...
1-7-2020 at 19:05
by: Ubya
Removal of superfine copper particles from stir bar
[rquote=639631&tid=155701&author=Draeger]Today I got some superfine copper particles stuck i ...
1-7-2020 at 16:41
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
In School, you have a mentor; or at least you've paid someone to be a mentor.
They have learned fro ...
1-7-2020 at 16:33
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
[quote]
But, how would a straight chain of Carbons with hydrogen on all sides ... hexane ... as an ...
1-7-2020 at 04:22
by: Ubya
Airport Chemical Screening
[rquote=639472&tid=154615&author=mysteriusbhoice]I wonder if shit does come up can you weasl ...
29-6-2020 at 12:33
by: Ubya
Finally I isolated Sodium (and potassium)
well you already have a direct source for NaK :)

maybe you could try a few recrystallizations to ...
29-6-2020 at 12:25
by: Ubya
UK source for stains & microbio stuff
[rquote=639488&tid=155685&author=wg48temp9]Look in eBay, for example https://www.ebay.co.uk/ ...
29-6-2020 at 12:19
by: Ubya
UK source for stains & microbio stuff
i have some methylene blue powder, a few grams should be a life supply, i can send you a few grams i ...
29-6-2020 at 06:33
by: Ubya
how to distinguish a solution containing chloroform from one with dichloromethane?
[rquote=639435&tid=155680&author=Assured Fish]Ill second AvBaeyer's suggestion for the dichl ...
29-6-2020 at 03:13
by: Ubya
how to distinguish a solution containing chloroform from one with dichloromethane?
in my endless journey of trying to distill DCM from solvents, i yet again failed to get a clear resu ...
28-6-2020 at 17:40
by: Ubya
Calcium oxide purity?
i think that he wants to add sulphuric acid to ammonium nitrate to make nitric acid and ammonium sul ...
28-6-2020 at 14:48
by: Ubya
C + NaOH experiment - Did anything happen?
nothing probably happened, even if some atoms of sodium managed to form, they reacted with the oxyge ...
28-6-2020 at 14:22
by: Ubya
Orange-limonene reaction and sulfuric acid, color chemistry
[quote]Someone knowledgeable should modify the wikipedia article which misses this essential point o ...
28-6-2020 at 06:21
by: Ubya
Working with lead compounds
[rquote=639312&tid=155653&author=Refinery]Does it make difference in aerosol formation if th ...
27-6-2020 at 12:23
by: Ubya
What phenomenon this is?
the more saturated solution going at the bottom of the less saturated solution is not something stra ...
27-6-2020 at 02:47
by: Ubya
solvent tin can lied about its composition, but it may contain phenol
[rquote=639283&tid=155661&author=draculic acid69]First step is distill out the methanol/tolu ...
27-6-2020 at 02:43
by: Ubya
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