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Pretty Pictures (2)
[quote]After just a couple times it had modified surface texture to a somewhat gritty appearance.[/q ...
18-11-2017 at 07:32
by: hissingnoise
Washing fruit
And never start a pizza at the crust... :cool:


2-11-2017 at 12:01
by: hissingnoise
filtering dirty concentrated sulfuric acid
Ye olde [url=http://www.ebay.ie/itm/12-CARBON-GRAPHITE-STIR-ROD-10mm-STIRRING-MIXING-HOLDER-CRUCIBLE ...
2-11-2017 at 11:49
by: hissingnoise
Washing fruit
[quote]He could just be trying to limit the urine and feces content of his snacks[/quote]
Whoops! T ...
2-11-2017 at 08:13
by: hissingnoise
Desensitize ETN?
Poorly purified ETN is certainly 'touchy' but ETN, recrystallised from acetone (with a pinch of NH[s ...
2-11-2017 at 08:07
by: hissingnoise
Washing fruit
[quote]Any and all thoughts on this I appreciate[/quote]
Try picking your fruit at sites other than ...
2-11-2017 at 07:58
by: hissingnoise
keten lamp
[quote]In a document I found (564 Schmidlin Ketene Synthesis, can't remember from where) they claim ...
2-11-2017 at 04:40
by: hissingnoise
filtering dirty concentrated sulfuric acid
Graphite rod is cleaner and better than carbon ─ linseed-oil-impregnated graphite is better still. ...
1-11-2017 at 07:59
by: hissingnoise
Tinkering with flyback generator for ozone
[quote]It all seems to function more or less respectably from the side of electronics, but what give ...
31-10-2017 at 13:08
by: hissingnoise
Myth of Streching Space
[quote]It would be just great to hear about a new idea from anyone at some time[/quote]
Not to worr ...
31-10-2017 at 10:00
by: hissingnoise
Retort for sulphuric acid distillation?
[quote]Oh...the stuff I was wanting to get to 96%+ is a very lurid purple 91%~ concentration drain c ...
31-10-2017 at 04:09
by: hissingnoise
Myth of Streching Space
Ahem! It's hard to offer anything but the most banal of generalities on a subject large as this, but ...
30-10-2017 at 08:24
by: hissingnoise
filtering dirty concentrated sulfuric acid
Smaller fritted funnel, perhaps ─ or if you'd concentrated the acid in an open pyrex dish, boiling ...
29-10-2017 at 12:48
by: hissingnoise
Sulfuric Acid from Oxalic Acid and Copper Sulfate: does not work
Your stoichiometry was off, perhaps ─ did you, for instance, get the expected precipitate?



28-10-2017 at 11:21
by: hissingnoise
Myth of Streching Space
Did you mean: [i]what in Space you were talking about[/i]? ;)


28-10-2017 at 10:30
by: hissingnoise
Myth of Streching Space
[rquote=495771&tid=77818&author=Melgar]
First of all, I'm glad to see that you're investig ...
28-10-2017 at 09:22
by: hissingnoise
Acetic anhydride preparation
[quote]
hissingnoise: if you have to chlorinate something, it makes far more sense to chlorinate su ...
25-10-2017 at 07:35
by: hissingnoise
Acetic anhydride preparation
You're welcome. The PCl[sub]3[/sub] synthesis from red P, unfortunately, requires PCl[sub]3[/sub] fo ...
24-10-2017 at 11:46
by: hissingnoise
Acetic anhydride preparation
Of the various syntheses of the anhydride, the ketene process and the reaction (POCl[sub]3[/sub]+NaO ...
24-10-2017 at 05:02
by: hissingnoise
Acetic anhydride preparation
FWIW, and it's not much, the correct patent is US 1680760 A ─ the words "straws", "clutching" and ...
24-10-2017 at 04:15
by: hissingnoise
Acetic anhydride preparation
[quote]It's mildly annoying to watch people spend time on things that obviously won't work. But only ...
22-10-2017 at 03:00
by: hissingnoise
Peat Extract
[quote]@hissingnoise: thanks for that book link[/quote]
You're welcome ─ and if you're into EM yo ...
21-10-2017 at 03:22
by: hissingnoise
Ancient bottle of picric acid
[quote]Should I run or what?[/quote]
The conventional wisdom would suggest that you treat your find ...
20-10-2017 at 11:51
by: hissingnoise
Peat Extract
[quote]Some peats contain waxy compounds that can be extracted but not with water[/quote]

And the ...
20-10-2017 at 10:24
by: hissingnoise
oleum & SO3
[quote]Phosphoric acid is first dewatered to metaphophoric acid (HPO3) under strong heat. This is th ...
27-9-2017 at 10:08
by: hissingnoise
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