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Oxygen Sensor for Glove Box or Other use?
IMO a Glycerol/water electrolyte would be inefficient because it has a high viscosity so ion mobilit ...
31-10-2011 at 09:25
by: matei
Oxygen Sensor for Glove Box or Other use?
[rquote=226046&tid=17879&author=Harristotle]Hi.
My favourite oxygen sensor is a hearing aid ...
30-10-2011 at 10:47
by: matei
Preparation of bis(2-chloroethyl) ether
I think it would be easier and safer to replace bis(2-chloroethyl)ether with diethyleneglycol ditosy ...
4-10-2011 at 04:59
by: matei
Analysis of methyl-chlorinated toluene
As Paddywhacker said you should optimize the temperature program. Because toluene is volatile and is ...
23-7-2011 at 04:14
by: matei
Analysis of methyl-chlorinated toluene
Why GC/MS didn't work? You didn't have a peak for toluene in the chromatogram?
22-7-2011 at 12:43
by: matei
Plastics spectroscopy on the cheap
The only useful (rapid and relatively straightforward) spectroscopic method for polymer identificati ...
20-7-2011 at 14:03
by: matei
Glassware identification question
The vacuum adapter should look something like this:
8-5-2011 at 14:24
by: matei
Glassware identification question
Claisen flasks are used for vacuum distillations. The ground joint on top of the flask is for insert ...
8-5-2011 at 02:21
by: matei
Some Questions
[rquote=205126&tid=15867&author=Claisen]They are 5 in total so 10 optical isomers. Is that r ...
25-3-2011 at 08:12
by: matei
polymere
[rquote=205116&tid=15864&author=triond]
by looking this its look like nylon-66
[/rquote] ...
24-3-2011 at 22:32
by: matei
over heating of benzoyl chloride
Your benzoyl chloride should be pure enough for making benzoate esters or whatever you want to do wi ...
16-3-2011 at 06:13
by: matei
Ampoule sealing inside the glove box
Just attach a piece of vacuum rubber tube with a stopcock to the ampoule after its filled, get it ou ...
10-3-2011 at 09:47
by: matei
Aquarium nitrite test kit (sulfanilic acid based)
I think you should use a concentration of nitrite in the range the kit is supposed to measure. A lar ...
1-3-2011 at 13:23
by: matei
Aquarium nitrite test kit (sulfanilic acid based)
The kit is based on the Griess test for nitrites. Solution A contains sulfanilic acid and HCl, and s ...
1-3-2011 at 12:08
by: matei
why heat after reflux
In the second step you have to replace the reflux condenser with a distillation head and distill off ...
14-2-2011 at 07:16
by: matei
Separation of isoflavinoids
Compunds containing carbonyl groups are easily separated using Girard's reagents. You can read more ...
15-12-2010 at 10:24
by: matei
need explanation pls
I think the iron compounds in the crucible will catalyze the decomposition of the hydrogen peroxide.
8-12-2010 at 08:14
by: matei
Filter paper that doesn't stretch
Inorganic membranes (such as the aluminium oxide membranes from Whatman) seem to be what you are loo ...
2-12-2010 at 06:24
by: matei
Metal from phone in HCl (nickel?)

Most of stainless steel alloys are non-magnetic. To be more specific, austenitic stainless steel, ...
31-10-2010 at 13:58
by: matei
Electrolyte gel bridge?
Well, if you prepare the Agar gel in a beaker, you can insert the tube vertically in the hot mixture ...
30-10-2010 at 09:51
by: matei
Electrolyte gel bridge?
IMO the simplest way of obtaining such a salt bridge would be with Agar mixed with KCl. The Agar (or ...
30-10-2010 at 06:49
by: matei
Perfluorooctanesulfonic acid (PFOS) from KPFOS
The second method Nicodem suggested was actually used to get PFOS out of its K salt, according to [i ...
4-8-2010 at 14:22
by: matei
Perfluorooctanesulfonic acid (PFOS) from KPFOS

I think you might find something useful in these references:

1) Modern Fluoroorganic Chemistry: ...
3-8-2010 at 12:22
by: matei
Soviet glass electrodes
Sure, you only have to use 2 of them to calibrate the pH-meter, one for the acid domain and one for ...
1-8-2010 at 04:35
by: matei
Soviet glass electrodes
Well, if the reference electrode works, than you can place both the reference and the glass electrod ...
1-8-2010 at 02:43
by: matei
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