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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:
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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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