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Purify ferrous sulfate
Just a general comment to be taken with a grain of salt (NaCl?) by anyone who reads it: many (not al ...
14-12-2019 at 16:54
by: CharlieA
latest glassware purchase
@SWIM: It sounds like you need to invest in some glass-blowing equipment!:D Seriously, you might che ...
9-12-2019 at 16:35
by: CharlieA
How strict are you about using distilled water vs nondistilled/faucet water in your reactions?
Yes, $1USD/gallon is relatively cheap. Of course, you can always make your own distilled water. If I ...
28-11-2019 at 19:17
by: CharlieA
How strict are you about using distilled water vs nondistilled/faucet water in your reactions?
My methods:
-for chemistry/biology/biochemistry stuff of any kind: distilled water (~$1/gal at groc ...
27-11-2019 at 17:04
by: CharlieA
Discord
[rquote=626215&tid=154337&author=arkoma][rquote=626176&tid=154337&author=CharlieA]OK ...
14-11-2019 at 17:34
by: CharlieA
Discord
OK, this nearly octagenarian doesn't have a clue as to what a "discord server is. It sounds like it ...
13-11-2019 at 17:48
by: CharlieA
just one more question before i start contributing to this forum
[rquote=625702&tid=154286&author=Amos][rquote=625672&tid=154286&author=B(a)P][rquote ...
8-11-2019 at 14:08
by: CharlieA
Mystery Glassware Identification Thread
I think that this is just an "old-fashioned" glass stopper. Perhaps the "handle" was hand made by a ...
8-11-2019 at 13:57
by: CharlieA
just one more question before i start contributing to this forum
The most important things to learn from organic laboratory manuals are safety considerations and goo ...
7-11-2019 at 16:43
by: CharlieA
Is this small vacuum pump good for buchner funnels?
@Cou: many people use that type of pump. But, you can find it or similar on ebay for less, I think.
7-11-2019 at 16:37
by: CharlieA
is it normal that i just want to play around with chemicals and make organic molecules for the hell of it
[rquote=625455&tid=154271&author=Ubya]making something cor tha sake of doing it is at the co ...
4-11-2019 at 16:08
by: CharlieA
Reference source for atomic, covalent, ionic and Van-der-Waals radii?
[rquote=620570&tid=153090&author=j_sum1]Or you could use this periodic table. I have not ch ...
29-10-2019 at 16:11
by: CharlieA
DCM shrinks genuine coke bottle.
I've found that the best bottles for waste, solvents or otherwise, are 1-gal glass jugs. My source ...
28-10-2019 at 16:40
by: CharlieA
Storage containers
I agree with Abromination and Dr. Bob: go with glass. I also use HDPE/LDPE and PP containers, but I ...
25-10-2019 at 17:06
by: CharlieA
Hydration of alkenes, specifics
1. consult an organic chemistry textbook or organic chemistry laboratory manual.
2. google "additio ...
25-10-2019 at 16:59
by: CharlieA
methylamine from formaldehyde and NH4Cl won't complete
http://www.orgsyn.org/demo.aspx?prep=cv1p0347
This a preparation given in Organic Syntheses.
16-10-2019 at 16:45
by: CharlieA
Mass and Weight
In college, we handled our weights with ivory (or plastic?)-tipped forceps. Aside from possibly chan ...
15-10-2019 at 16:24
by: CharlieA
Vigreux column: 200mm vs. 300mm
To a first approximation, you might say the HETP (height equivalent to a theoretical plate) will be ...
12-10-2019 at 16:08
by: CharlieA
Storage containers
For most solids, I use peanut butter jars (PETE plastic). (I eat a lot of peanut butter.) I prefer g ...
12-10-2019 at 16:00
by: CharlieA
Denominator vs numerator - getting confused on which is which
@sodium stearate: right on!!!
5-10-2019 at 14:56
by: CharlieA
Who else is a chemistry major with a perilous future
First, I agree with hodges: the most important thing that you should learn in college is how to lear ...
5-10-2019 at 14:40
by: CharlieA
preparation of succinic anhydride
Very nice write up. And kudos to you for characterizing your product with a mp. This gives a lot of ...
4-10-2019 at 16:39
by: CharlieA
Mystery Glassware Identification Thread
Some possibilities come to mind:
1 - a seal to keep external air from entering the flask; you calle ...
3-10-2019 at 17:19
by: CharlieA
book review: Forensic Investigation of Clandestine Laboratories
Mayko, thanks for the insightful/thoughtful review. And thanks to Corrosive Joseph for the link. Now ...
21-9-2019 at 17:00
by: CharlieA
Setting Up an Amateur Lab
Robert Bruce Thompson and his wife also wrote "Illustrated Guide to Home Biology Experiments." Never ...
18-9-2019 at 16:53
by: CharlieA
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