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Everyday Chemistry
Your cleaning problems remind me of a dishwasher (a person, not a machine) in a laboratory where I w ...
21-3-2017 at 16:36
by: CharlieA
Everyday Chemistry
JJay: I'm with you on questions of grammar. A good place to start is right on this forum. Ungrammati ...
20-3-2017 at 15:09
by: CharlieA
KleanStrip denatured alcohol - what is the unlisted additive?
Why not start with Everclear? It's available at Wallyworld.
20-3-2017 at 15:01
by: CharlieA
concentrating under vacuum
Why can't you just allow the isopropanol and water to evaporate at room temperature?
Do you know t ...
15-3-2017 at 16:38
by: CharlieA
latest glassware purchase
The one I received broken was just like that one, but had a glass stopcock. May I ask where it was p ...
7-3-2017 at 04:30
by: CharlieA
latest glassware purchase
I don't know if the rod affects using the apparatus tilted or not. I think that its main purpose is ...
25-2-2017 at 15:05
by: CharlieA
latest glassware purchase
If you haven't received your Dean-Stark trap yet, I hope it arrives in 1 piece. Mine arrived in two ...
24-2-2017 at 18:22
by: CharlieA
Salt & Vinegar
Nuts! I thought you were on to something that the alchemists missed!:):):) What are your plans for ...
24-2-2017 at 06:38
by: CharlieA
Salt & Vinegar
You mixed salt (NaCl, I assume), vinegar, and hydrogen peroxide, and tried to filter out rust (Fe2O3 ...
23-2-2017 at 18:08
by: CharlieA
The Short Questions Thread (4)
@zts16: The Mettler is a heck of a bargain. I remember the first time I had a chance to use one. I c ...
11-2-2017 at 16:39
by: CharlieA
The Short Questions Thread (4)
Per Lange's Handbook of Chemistry, 15the ed.: sol 0.17 g per 100 parts water; sol in acids! (duh; I ...
10-2-2017 at 18:45
by: CharlieA
Acid/Base extraction of ASA from aspirin
A much "gentler" way to isolate ASA from aspirin is to wash the aspirin in cold water to remove sol ...
3-2-2017 at 18:29
by: CharlieA
Nickel Chloride
[rquote=473584&tid=72067&author=Praxichys]You could add sodium bicarbonate or sodium carbona ...
3-2-2017 at 17:46
by: CharlieA
latest glassware purchase
What a great buy! May I ask where you purchased it?
2-2-2017 at 18:44
by: CharlieA
Indium metal - $5.00 + $0.50/g to US addresses. Galinstan alloy (mp < 0˚C) also available at this rate.
NurdRage has a great video showing the effect of soaking an aluminum baseball bat in gallium. After ...
1-2-2017 at 19:10
by: CharlieA
latest glassware purchase
JJay: Those are nice looking gas washing bottles. What size are they, and where did you get them?
27-1-2017 at 17:28
by: CharlieA
The Short Questions Thread (4)
How about burning off the C with a Bunsen burner or Bernz-0-Matic?
27-1-2017 at 17:22
by: CharlieA
after packing chromatography column
The release of dissolved gases (the subject under discussion) is not the same as "boils/boiling." " ...
14-1-2017 at 18:07
by: CharlieA
after packing chromatography column
effervesce
13-1-2017 at 17:57
by: CharlieA
Literature for insight?
I'm not referring to any specific source (because I can't remember), but the best advice I ever read ...
2-1-2017 at 18:17
by: CharlieA
What kind of adhesive can I use to heal a crack in glasswear?
I'm not sure I would consider an implosive failure as an "unlikely event, especially under vacuum. W ...
30-12-2016 at 17:44
by: CharlieA
best place to get Chloroform?
confused: I am confused with you! What kind of vessel were you using? Was it sealed? I think I have ...
30-12-2016 at 16:44
by: CharlieA
Mg/Methanol is amazing
...
Look at the following example:
Why is the yield so bad?

[img]https://picload.org/image/rgwd ...
21-12-2016 at 17:25
by: CharlieA
checkmark symbol
[rquote=467790&tid=71031&author=Ozone]It also looks like a short-hand version of "square roo ...
29-11-2016 at 19:27
by: CharlieA
Do Walgreens Instant Cold Packs still contain Ammonium Nitrate?
Today I bought "up and up" cold packs from Target. A box of two cold packs cost about $3.50 USD and ...
29-11-2016 at 19:11
by: CharlieA
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