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difference between NAC ester and NAC amide
It is recommended that n-acetyl cysteine amide be stored at below 0C temps. I assume that's because ... |
30-6-2017 at 02:52
by: soma |
"ester" (vitamin) C
The term "ester C" has been used referring to an oxidized form of ascorbate which (according to the ... |
28-6-2017 at 00:31
by: soma |
magnetic stirrer problem
The label on it says cat no.: 14-511-2 |
26-6-2017 at 02:21
by: soma |
magnetic stirrer problem
I took it apart and it doesn't seem to need oil. The motor looks like a small standard fan type. It' ... |
25-6-2017 at 02:22
by: soma |
magnetic stirrer problem
I'm thinking of taking it apart and oiling it. |
24-6-2017 at 00:50
by: soma |
magnetic stirrer problem
I had been thinking of using insulating material. The stirrer gets to around 40C. The stirrer/hotpla ... |
23-6-2017 at 14:11
by: soma |
magnetic stirrer problem
I've got 2 magnetic stirrers. They both heat up after being on for over an hour. This is a problem b ... |
23-6-2017 at 02:01
by: soma |
molecular sieve and acids (esterification)
Thanks for that link.
I'm wondering how necessary the sulfuric would be if the water is removed b ... |
4-6-2017 at 01:07
by: soma |
molecular sieve and acids (esterification)
I'm about to run an esterification reaction using n-acetyl cysteine, ethanol, and sulfuric acid (cat ... |
3-6-2017 at 02:38
by: soma |
chromatography - polarities
Thanks.
The 2nd reference I quoted was from http://www.columbia.edu/cu/chemistry/ugrad/hssp/EXP_8 ... |
31-5-2017 at 01:19
by: soma |
chromatography - polarities
In reading about chromatography, one site says:
[i]Polarity Ranking of the Functional Groups:
(m ... |
29-5-2017 at 01:59
by: soma |
tlc polarity
With a mixture of hexane and ethyl acetate as eluant, would the mixture tend to separate with the et ... |
26-5-2017 at 00:51
by: soma |
mole fractions and equilibrium constants
The next part of this has to do with the equilibrium constant.
The Ke for this is 3.77. They are ... |
17-5-2017 at 03:08
by: soma |
mole fractions and equilibrium constants
Thanks.
I wasn't counting the ethyl acetate as part of the whole. |
16-5-2017 at 04:26
by: soma |
mole fractions and equilibrium constants
A book I'm reading says that with a mixture of 1 mole of acetic acid and 1 mole of ethanol, "the equ ... |
16-5-2017 at 01:35
by: soma |
problem with mettler b5 microbalance
We've got a mettler b5 microbalance. The zero knob adjuster seems to have a problem. Sometimes, when ... |
7-5-2017 at 01:45
by: soma |
synthesis of NAC methyl ester
They also run this reaction for a really long time (22 hours). The esterifications I've looked at go ... |
30-4-2017 at 03:11
by: soma |
synthesis of NAC methyl ester
Thanks.
So then you could increase the yields by eliminating the water created by the reaction.
... |
28-4-2017 at 01:15
by: soma |
synthesis of NAC methyl ester
In the patent ( http://www.sumobrain.com/patents/wipo/Method-preparation-n-acetyl-cysteine/WO2015148 ... |
27-4-2017 at 01:50
by: soma |
synthesis of n-acetyl cysteine amide
Further update:
The tlc showed that there was NAC amide produced. The standard seemed to dimerize ... |
16-4-2017 at 02:07
by: soma |
how to make MgO from MgCO3
Thanks. |
14-4-2017 at 00:13
by: soma |
sources of l-cysteine
[rquote=480513&tid=73394&author=DraconicAcid]I suspect that it's illegal to offer such cyste ... |
14-4-2017 at 00:11
by: soma |
sources of l-cysteine
[rquote=480514&tid=73394&author=alking]Why are you trying to extract l-cysteine? You can buy ... |
14-4-2017 at 00:06
by: soma |
sources of l-cysteine
[rquote=480493&tid=73394&author=UC235]http://www.orgsyn.org/Content/pdfs/procedures/CV1P0194 ... |
14-4-2017 at 00:02
by: soma |
how to make MgO from MgCO3
I want to make light burned MgO from MgCO3. I've got a thermocouple thermometer that can go up to 70 ... |
12-4-2017 at 00:29
by: soma |
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