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Calcium Acetate Preparation Errr
Pottery CaCO3 may contain small amounts of CaSO4 and/or calcium silicates and silica.
When maki ... |
16-6-2011 at 10:24
by: not_important |
O2 concentrator
It's more complicated than that illo - see
http://en.wikipedia.org/wiki/Oxygen_concentrator
... |
15-6-2011 at 13:20
by: not_important |
Laser-Diode based Raman Spectroscopy
[rquote=212952&tid=13332&author=bquirky]if your not chasing high speed you can rotate your g ... |
15-6-2011 at 12:56
by: not_important |
Ways to Bromine (or HBr) from KBr
A bromide salt, MnO2, and a storng mineral acid =- H2SO4 is best but HCl works if there's a lot of e ... |
11-6-2011 at 19:10
by: not_important |
expiring dates on chemicals.?
Absorbs water, CO2, and other acidic gases from the air. Unless you have a really air-tight contain ... |
11-6-2011 at 14:42
by: not_important |
Butyric Acid - Synthesis/Extraction
[rquote=212457&tid=6401&author=blogfast25]...
For the oxidation of n-butanol this way, do ... |
11-6-2011 at 14:36
by: not_important |
Strontium and Barium
[rquote=212369&tid=16632&author=mr.crow]...
How about preparing the nitrate solution and ... |
10-6-2011 at 11:51
by: not_important |
Butyric Acid - Synthesis/Extraction
Another low cost method, discussed several times on other threads, is NaOCL bleach plus a nickle sal ... |
9-6-2011 at 13:12
by: not_important |
Strontium and Barium
If you use bicarbonate you must boil the solution to drive off CO2 as the alkaline earth bicarbonate ... |
9-6-2011 at 11:25
by: not_important |
"Gassing" alkaloids out of nonpolar with acetic acid?
Also usable are sulfates and phosphates, both generally of lower solubility in organic solvents than ... |
3-6-2011 at 12:46
by: not_important |
Copper Carbonate
An ordinary pressure cooking will get you no where near 45 bar, most culinary cooker top at at aroun ... |
27-5-2011 at 11:33
by: not_important |
Thinking about sulphur crystals, and other crystals
Note that sulphur transforms from the rhombic to the monoclinic form above 95.6 C, and v.v. Thus yo ... |
27-5-2011 at 11:30
by: not_important |
Copper Carbonate
Yeah, decanting - letting a ppt settle and pouring off most of the liquid - often is the best way to ... |
27-5-2011 at 11:03
by: not_important |
Vanillin acquisition.
Also
http://www.amazon.com/Krinos-Vanillin-Powder-gram-Jar/dp/B000LQMXN0/ref=sr_1_2?ie=UTF8& ... |
26-5-2011 at 10:06
by: not_important |
trimethyl borate
I know someone that used 4A molecular sieves to soak up the MeOH, the washed the used sieves with mo ... |
25-5-2011 at 10:02
by: not_important |
Making tunsten dioxide
Note that there are pure W, W+Th, and W+La welding rods. Check the type to get te pure W ones.
Y ... |
25-5-2011 at 09:52
by: not_important |
Impurities in Aluminium foil
Morgan has it - Fe, Si, and sometimes Mn are the main alloying elements in Al foils. Si is the prim ... |
19-5-2011 at 11:48
by: not_important |
Poison PDF in Library
No problems here on several machines, *NIX and Win and OS X and Vista over OS X. Recent versions of ... |
19-5-2011 at 10:55
by: not_important |
ZnS solubility
Solubility of salts in strong acids or alkalies generally means "soluble with reaction", HNO3 conver ... |
13-5-2011 at 10:31
by: not_important |
minimal gallium to prevent aluminum oxidation?
You're not preventing oxidation, you're encouraging it with the gallium. The surface layer of Al2O3, ... |
7-5-2011 at 15:36
by: not_important |
Cyclohexylamine
Depends on where you live for starters - which country, which region in larger countries.
You mi ... |
7-5-2011 at 15:20
by: not_important |
I need to dissolve Bakelite :)
I worked on this from the opposite direction decades ago for Carl Nicolai regarding making his crypt ... |
5-5-2011 at 12:43
by: not_important |
p-hydroxybenzaldehyde?
The para orientation is fairly specific to potassium salts, sodium gives mainly the ortho isomer exc ... |
28-4-2011 at 12:17
by: not_important |
make dry hex-1-yne
Note the using metal hydrides or reactive metals with 1-ynes may lead to replacement of the terminal ... |
23-2-2011 at 11:33
by: not_important |
Obtaining methyl methacrylate
Poilyacrylic plastics and polystyrene are among the easiest plastics to depolymerise, both useful fo ... |
21-2-2011 at 16:59
by: not_important |
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