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New chemistry forum for Hive Bees
It's nice to see old names again. I miss leu, hope he's OK. Almost 9 months since Nicodem logged in. ... |
9-12-2019 at 18:01
by: S.C. Wack |
Any method to convert potassium dichromate to ammonium dichromate?
That's odd, calcium chlorate/chloride seems to work OK for that. But anyways if you're going to remo ... |
8-12-2019 at 19:36
by: S.C. Wack |
Legality discourse split from "4-Allylcatechol Methylenation"
Actually the phrase arose from trying to find a way to say pre-woelen staff, without throwing them u ... |
30-11-2019 at 13:20
by: S.C. Wack |
Legality discourse split from "4-Allylcatechol Methylenation"
s_s is demonstrating impulse control. Newer members here may not be aware that this has never been a ... |
29-11-2019 at 14:02
by: S.C. Wack |
Do u guys make glacial acetic acid from 5% vinegar?
USA vinegar leaves a yucky residue when distilled to dryness or is neutralized and evaporated. A sti ... |
29-11-2019 at 08:41
by: S.C. Wack |
Azeotropic esterifications
Chemistry existed before videos. https://www.sciencemadness.org/whisper/viewthread.php?tid=10937 |
28-11-2019 at 08:36
by: S.C. Wack |
Do u guys make glacial acetic acid from 5% vinegar?
Vinegar is not the same thing worldwide. Vinegar may (USA) or may not have a certain legal definitio ... |
28-11-2019 at 08:30
by: S.C. Wack |
Do u guys make glacial acetic acid from 5% vinegar?
The plan may work in some countries but not with vinegar in the USA among others. |
28-11-2019 at 06:27
by: S.C. Wack |
Do u guys make glacial acetic acid from 5% vinegar?
Everyone has missed the never before seen flaw in this brilliant, unheard of plan. |
27-11-2019 at 20:37
by: S.C. Wack |
1-chloro-2-propanone (chloroacetone)
It appears that the making of chalk for chalkboards as it was in my youth is a lost art unknown to t ... |
25-11-2019 at 18:57
by: S.C. Wack |
latest glassware purchase
I'm not sure what if any size standards the Chinese follow with their RBFs. They seem incapable of m ... |
25-11-2019 at 16:37
by: S.C. Wack |
Azeotropic esterifications
Maybe the question is what kinds of azeotropes may form in a mixture of benzene, ethanol, water, and ... |
24-11-2019 at 10:18
by: S.C. Wack |
How strict are you about using distilled water vs nondistilled/faucet water in your reactions?
pH can also be an issue with city water...I installed home RO. We use a big RO system at work. |
21-11-2019 at 19:11
by: S.C. Wack |
Suggestions for glass joint-grease that won't get stuck after vacuum distillations?
Dow is not expensive at all compared to Krytox and Apiezon greases, but it has an officially short s ... |
21-11-2019 at 19:00
by: S.C. Wack |
Removal of aldehyde from alcohol
Did you dry before evaporating? Maybe it's just a little wet. |
21-11-2019 at 18:50
by: S.C. Wack |
Hydrogenation of cinnamic aldehyde
NaBH4 is the preferred way to make Pd catalysts. And Pt, and Ni...but in this case...Pd. |
20-11-2019 at 18:15
by: S.C. Wack |
Do NH4OH and S React?
[rquote=626459&tid=154452&author=draculic acid69]so yes but I think you might need some etha ... |
20-11-2019 at 04:03
by: S.C. Wack |
Do NH4OH and S React?
The real question is, does KClO3 dissolve in ammonia...I'm not sure I want to test this. Obviously t ... |
19-11-2019 at 18:35
by: S.C. Wack |
Ammonium formate from Ammonium chloride
[rquote=626360&tid=154078&author=mackolol]I think that just bubbling ammonia through formic ... |
17-11-2019 at 15:00
by: S.C. Wack |
The moment (or moments) that made you realize you had a passion for chemistry
[rquote=625788&tid=81070&author=Pyro_cat]At a very early age I remember being fascinated by ... |
10-11-2019 at 15:44
by: S.C. Wack |
pet ether/n-hexane from gasoline/petrol
You omit the KMnO4 then say it doesn't work? Distillation of gasoline is organic chemistry? If there ... |
10-11-2019 at 15:11
by: S.C. Wack |
vacuum distillation
You can refuse to consider mixing in a water chiller now that I've mentioned it. |
7-11-2019 at 17:58
by: S.C. Wack |
How to verify/identify sodium azide?
[rquote=625414&tid=154258&author=Deathunter88]Why don't you just buy reagent grade sodium az ... |
2-11-2019 at 13:52
by: S.C. Wack |
Mercury/HNO3 incident
Mercury on copper such as a US penny tends to be obvious. Zn or Al should be fine but Mg and Sn are ... |
2-11-2019 at 07:56
by: S.C. Wack |
Mercury/HNO3 incident
You realize of course bases tend to precipitate mercury salts...BTW sulfide, oxide, and other Hg sal ... |
2-11-2019 at 06:32
by: S.C. Wack |
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