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Using a computer water cooling kit for distillations?
smuv points out the important factor, the input heat flux vs the capacity of the cooler/radiator. T ... |
26-7-2011 at 08:32
by: not_important |
Forum needs subscript and superscript tags
[rquote=216634&tid=17033&author=kmno4]I mentioned similar things years ago, but administrato ... |
22-7-2011 at 19:07
by: not_important |
Ammonium Bifluoride Reactions
The attached may be of interest:
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22-7-2011 at 18:33
by: not_important |
Misuse of laboratory materials
Part of continued effort to press this case may have been due to the purpose of the display - warnin ... |
16-7-2011 at 15:24
by: not_important |
Onyx 100% Acetone... does it need drying? Purifying?
Note that when referring to pre-WWII literature, the means of production of acetone and thus the imp ... |
16-7-2011 at 13:40
by: not_important |
Keeping solvents dry
CaCl2 isn't a very good drying agent, when drying air CaCl2 will leave around a quarter gram of H2O ... |
16-7-2011 at 13:27
by: not_important |
Substitute for dioxane
[rquote=215920&tid=15239&author=maxidastier]I know that it works better with p-TsOH, but I s ... |
15-7-2011 at 11:17
by: not_important |
Rare earth nitrate
[rquote=215471&tid=16807&author=hadiish](snip)
you said I must prepared Re(OH)3 firstly the ... |
9-7-2011 at 17:04
by: not_important |
Silver nitrate - green !!?? help
Green generally is from copper. Take the crude AgNO3, dry, then fuse in a ceramic container at 250 ... |
8-7-2011 at 10:31
by: not_important |
The TRUTH about Elemental Scientific...
Note that there was a run on KI after the earthquakes in Japan, from people in panic mode and almost ... |
8-7-2011 at 09:39
by: not_important |
Potassium Chloride and Potassium Nitrate
[rquote=215323&tid=16926&author=Neil]
If you burn a sample of NoSalt the colour is pretty c ... |
8-7-2011 at 09:24
by: not_important |
Home Made TLC plates
[rquote=215225&tid=12350&author=HexJam]Ah ha! Apparently the chemical they add to make it UV ... |
7-7-2011 at 12:12
by: not_important |
quaternary ammonium salt reaction
I assume so, but ...
the S-benzyltiuronium R-S-C(=NH)(NH3) is a derivative of thiourea S=C(NH2) ... |
7-7-2011 at 11:57
by: not_important |
Potassium Chloride and Potassium Nitrate
Once again, remember that KCl + HNO3 <-> KNO3 + HCl, and 3HCl + HNO3 is aqua regia which deco ... |
7-7-2011 at 11:46
by: not_important |
quaternary ammonium salt reaction
[rquote=215248&tid=16910&author=Magpie][rquote=215216&tid=16910&author=497]I always ... |
7-7-2011 at 09:35
by: not_important |
Tin (II) Chloride
If you go to the Internet Archives or Google Books, and search for "solubilities" and the last names ... |
6-7-2011 at 12:33
by: not_important |
Aluminium chloride hexahydrate: strange behaviour?
That's similar to the industrial method, using HCl(g) to saturate a cold solution of AlCl3. Drying ... |
1-7-2011 at 12:49
by: not_important |
Hydrogen peroxide concentration by freezing I need to make 12% h2o2 from 3%
You start with 3%, you hope to get 30% - ten times as concentrated, should be about 1/10 the volume ... |
1-7-2011 at 11:29
by: not_important |
(Diggers) toluene Inhibitors?
Not really, SFAIK most toluene is derived from petroleum (as you said). I believe the main impurity ... |
25-6-2011 at 19:10
by: not_important |
Recover Tungsten From Tungsten Carbide Scrap
Wash with non-polar solvent to remove oils, then with water to pull water soluble/miscible coolant a ... |
25-6-2011 at 14:21
by: not_important |
Synthesis of COMPLETLY inorganic polymer ( No fuc**ng carbon atoms)
Plastic sulphur, as well as in the molten state around maximum viscosity.
Polysulfides, derivati ... |
23-6-2011 at 12:27
by: not_important |
Tungsten Compounds from W Electrodes
Not a lot of detail, but :
http://www.cleanroom.byu.edu/wet_etch.phtml (click on 'tungsten') s ... |
23-6-2011 at 12:20
by: not_important |
benzilic acid ethyl ether=benzilic acid ethyl ester?
The Rhodium page you're quoting from clearly shows that this is the ethyl ether. Technical instruct ... |
18-6-2011 at 17:03
by: not_important |
Butyric Acid - Synthesis/Extraction
[rquote=212609&tid=6401&author=blogfast25]...
Thanks! I wonder if it would work on that vin ... |
17-6-2011 at 10:14
by: not_important |
Chlorotoluene
Note that the reference with acetic acid is using glacial acetic acid as a solvent/diluent.
Old s ... |
17-6-2011 at 10:05
by: not_important |
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