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Most efficient condensers for distillations
if you go from a liebeg to a dimroth you'll notice quite a difference... |
7-1-2024 at 03:00
by: GreenD |
Are plastics really difficult to recycle ?
Oil is too cheap.
|
25-12-2023 at 10:52
by: GreenD |
Also have a 500 and 1L heating mantle (analog knobs) $20+shipping
So now I have:
250 mL reservoir soxhlet + condensor (+ carrying case $100+shipping)
500 mL reservo ... |
24-12-2023 at 12:59
by: GreenD |
500mL 24/40 soxhlet extractor + carrying case
Only used to make absinthe! Food safe! Not that it matters.
$100+shipping.
[img]https://i.im ... |
17-12-2023 at 10:58
by: GreenD |
500mL 24/40 soxhlet extractor + carrying case
I'll post picture later. Forgot how to do that |
11-12-2023 at 02:50
by: GreenD |
500mL 24/40 soxhlet extractor + carrying case
Nobody want a soxhlet huh? 
I dont know how else to sell this thing |
18-11-2023 at 16:35
by: GreenD |
500mL 24/40 soxhlet extractor + carrying case
I haven't posted in like a decade... profile is totally irrelevant now |
17-11-2023 at 04:28
by: GreenD |
500mL 24/40 soxhlet extractor + carrying case
I have a 500 mL soxhlet and paired condenser, 24/40 joint on the bottom. Also comes in a "condition ... |
16-11-2023 at 12:29
by: GreenD |
NMR purity analysis...?
So grad student I worked with shows me 9 peaks on an nmr spectrum that correlate to our product of i ... |
14-2-2014 at 18:13
by: GreenD |
TFA Formation - How?
We have an LC/MS in our lab and its been plaguing us with this TFA signal for some time.
We know ... |
1-9-2013 at 08:42
by: GreenD |
Real chemistry is dying out, why?
uh - on this note I came from a lab that used 'brute force chemistry'
It was really old technique ... |
11-7-2013 at 16:29
by: GreenD |
N-methylformamide problem, can any brains solve??
Not sure but it would seem to me pure formamide would be the lower bp, while the higher is a [b]solu ... |
19-6-2013 at 13:50
by: GreenD |
Dean Stark - Separating Acetone & Water? What?
Ran the expt verbatim, however only had a http://www.rightpricechemicals.com/media/catalog/product/c ... |
12-6-2013 at 09:30
by: GreenD |
Dean Stark - Separating Acetone & Water? What?
"Investigations on heterogeneously catalysed condensations of glycerol to cyclic acetals"
[i]The ... |
11-6-2013 at 16:00
by: GreenD |
Vacuum Oven Parts?
Hey all,
I have a napco 5831 vacuum oven. The thing 'turns on' that is - the indicator light turns ... |
3-6-2013 at 11:10
by: GreenD |
Amazon experiences
dudadiesel is legit. have sulfuric from them |
3-6-2013 at 11:06
by: GreenD |
TLC Reference paper
Ok, thanks. I don't see the necessity of doing this, but understand it now, at least. |
3-6-2013 at 10:52
by: GreenD |
TLC Reference paper
Need help understanding something again; odd description of developing TLC, in context they are tryi ... |
31-5-2013 at 10:16
by: GreenD |
NMR help
[rquote=285302&tid=24188&author=anoopai]Got from extract[/rquote]
extract of what... seriou ... |
24-5-2013 at 11:10
by: GreenD |
A challenge... how to get this product
Another Question (Even if it falls on deaf ears):
From above:
This sodium salt (21-5g.) was mixe ... |
24-5-2013 at 10:15
by: GreenD |
NMR help
So you just scraped something off the bottom of your lab bench and put it in an NMR tube?
How did ... |
22-5-2013 at 12:40
by: GreenD |
Explosives and Entropy
maybe off topic but a couple years ago my head researcher told me that there is a ratio of
N+Cl+O : ... |
22-5-2013 at 12:38
by: GreenD |
A challenge... how to get this product
Thank you very much deathtillation - that was very informative. Below is my procedure. (Replaced PCl ... |
15-5-2013 at 15:06
by: GreenD |
Chlorination Questions
I have come across perhaps a dozen papers describing chlorination of carboxylic and sulfuric acids ( ... |
15-5-2013 at 12:28
by: GreenD |
MS of Peptide - "fingerprint"
In MS spectra, you can find that there is this fingerprint for proteins. We found one yesterday, but ... |
10-5-2013 at 15:22
by: GreenD |
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