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The short questions thread (3)
Yes, but it's suboptimal. EtOAc is more polar, more soluble in water, and has a higher boiling point ... |
23-11-2012 at 09:17
by: Vargouille |
question about exothermic reaction and Nonflammable Ration Heater (NRH)
[url=http://olive-drab.com/od_rations_frh.php]"The new NRH consists of anhydride powders..."[/url]
... |
22-11-2012 at 04:33
by: Vargouille |
The high hand of low moral conduct
I'll grant you that there have been threads within "Legal and Societal Issues" that are not directly ... |
19-11-2012 at 17:34
by: Vargouille |
The high hand of low moral conduct
If I may interject, I think that the tipping point is whether or not the original topic had sufficie ... |
19-11-2012 at 14:01
by: Vargouille |
Sodium Hypochlorite
Down here in Florida, there's a pool place called "Pinch-A-Penny" that sells "Liquid Chlorine" in 2. ... |
19-11-2012 at 13:34
by: Vargouille |
copper II chloride crystals
When purifying copper compounds, I use bicarbonate, since there's not much hydroxide formed, and cop ... |
11-11-2012 at 16:01
by: Vargouille |
copper II chloride crystals
I would be quite nonplussed if anhydrous copper sulfate precipitated from an aqueous solution. Doubl ... |
11-11-2012 at 07:56
by: Vargouille |
how much water in ether
Of course. Adding a small amount to potassium or sodium will result in a reaction if there is water, ... |
11-11-2012 at 07:38
by: Vargouille |
sodium fluoride from calcium fluoride and sodium phosphate
They are not so much more expensive that using potassium rather than sodium is inadvisable. At 100C, ... |
11-11-2012 at 04:48
by: Vargouille |
copper II chloride crystals
After reading up on the thread again, I found woelen's post that contained this line:
[quote]The ... |
10-11-2012 at 10:20
by: Vargouille |
sodium fluoride from calcium fluoride and sodium phosphate
Since potassium and ammonium fluorides are much more soluble than the sodium version, potassium bein ... |
10-11-2012 at 09:50
by: Vargouille |
copper II chloride crystals
I am somewhat skeptical of that analysis of the results. According to [url=http://www.springerlink.c ... |
9-11-2012 at 17:30
by: Vargouille |
Object: make Gallic acid through iron gall ink
Diluting the tannic acid solution is fine as long as you keep the dilution constant for all trials, ... |
6-11-2012 at 11:19
by: Vargouille |
Object: make Gallic acid through iron gall ink
[url=http://www.havaris.ca/info/018/446.htm]"Oak bark also contains a phlobaphene, oak red, which is ... |
6-11-2012 at 03:25
by: Vargouille |
Object: make Gallic acid through iron gall ink
I doubt that it would take only three minutes to achieve complete conversion of tannic acid to galli ... |
5-11-2012 at 13:39
by: Vargouille |
Survivalist's Chemistry
In chronic usage, I'm certainly not qualified to judge the toxicity of iodide, especially not when t ... |
4-11-2012 at 15:39
by: Vargouille |
Survivalist's Chemistry
Iodide is not that toxic in the quantities in which it is used. [url=http://www.sciencelab.com/msds. ... |
4-11-2012 at 12:47
by: Vargouille |
Object: make Gallic acid through iron gall ink
Sulfuric acid is generally better for long hydrolysis reactions of complex organics because it is mu ... |
4-11-2012 at 11:50
by: Vargouille |
Survivalist's Chemistry
Of course not, and you would know how difficult, I'm sure, but having peroxide is presumed from the ... |
4-11-2012 at 09:14
by: Vargouille |
Survivalist's Chemistry
Water can also be treated with iodine, and then with ascorbic acid to remove the taste, to render it ... |
4-11-2012 at 08:20
by: Vargouille |
Object: make Gallic acid through iron gall ink
I made iron gall ink previously, with ferrous sulphate, gallic acid, gallotannic acid, glycerol, and ... |
4-11-2012 at 08:15
by: Vargouille |
post count decreasing
If you report spam, your post count will decrease as the spam is removed. Other than that, I haven't ... |
1-11-2012 at 00:12
by: Vargouille |
sodium hypochlorite
HOCl is not classified as a strong acid. It's pKa value, the value determining dissolution, and thus ... |
31-10-2012 at 10:21
by: Vargouille |
separation of nickel nitrate and copper nitrate
It will, but then you'll have competing solubility equilibria between the nitrates and the sulphates ... |
31-10-2012 at 00:56
by: Vargouille |
Possible to make Tartaric acid from Cream of Tartar?
Typically it's done by dissolving it in a minimum of hot water to dissolve most of it, filtering, or ... |
29-10-2012 at 14:39
by: Vargouille |
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