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Anyone Up for a DIY Particle Accelerator?
That's a nice little V de G they have in the boston museum. If you want a big one have a look on Goo ... |
3-3-2007 at 06:22
by: unionised |
size exclusion chromatography
At work we use GPC to separate pesticide residues from food extracts.
The stuff you are looking at ... |
3-3-2007 at 05:11
by: unionised |
KI + HCl --> Lugol's iodine??
loki_tiwaz
Just for the record, HI is colourless.
What you are getting is traces of I2 from oxida ... |
3-3-2007 at 05:01
by: unionised |
Dangers of methanol vapours
Alcohol isn't always methanol. What were you cooking with Magpie?
Anyway, methanol is toxic but you ... |
1-3-2007 at 11:03
by: unionised |
2-(Tifluoromethyl)acrylic acid
Would an adaptation of the methyl methacrylate process work? That starts from acetone and hydrogen c ... |
1-3-2007 at 10:54
by: unionised |
sodium bisulfate monohydrate synthesis
Or titrate it but since it crystalises from water as the monohydrate, that's what you will get. |
25-2-2007 at 05:39
by: unionised |
Dring HNO3 with MgSO4, possible?
I'm perfectly confident that the 68% stuff is an azeotrope and that if you alter the pressure you wi ... |
25-2-2007 at 05:12
by: unionised |
KI + HCl --> Lugol's iodine??
"oh, i forgot the point of this post."
No kidding?
With HCl and KI you will get some HI (not a lot ... |
25-2-2007 at 04:56
by: unionised |
How much of water is empty space?
When liquid water freezes it expands by about 10% so, compared to the solid, about minus 10% of it m ... |
25-2-2007 at 04:49
by: unionised |
analytical machinery
Just for the record, the first NMR I used had a permanent magnet (30MHz IIRC). The only problem with ... |
19-2-2007 at 12:42
by: unionised |
Synthesis of malonic acid
Potentialy interesting stuff, though I had to smile at this bit of their site.
"Tate & Lyle u ... |
18-2-2007 at 11:19
by: unionised |
Looking for U and Hg
They sometimes pop up on ebay, though for uranium you will have to put up with uranium glass or an o ... |
17-2-2007 at 07:24
by: unionised |
Copper-Iron Mixtures
IIRC you can extract FeCl3 from solutions containing excess HCl by washing with ether. Might help. I ... |
17-2-2007 at 07:07
by: unionised |
purifying acetic acid
" I didn't find much in the old one. "
Well, I'm puzzled. that thread mentions distillation, freezi ... |
14-2-2007 at 12:15
by: unionised |
Salts leeched from ground?
Not important, you are right. A small peak can easilly be hidden by a big one. Some materials only h ... |
14-2-2007 at 11:49
by: unionised |
Salts leeched from ground?
The FTIR clearly ignores the great bulk of the sample you ran ie the KBr, do you still stand by this ... |
13-2-2007 at 13:03
by: unionised |
purifying acetic acid
Chemrox, if you are going to complain about people calling you ignorant you would be better advised ... |
13-2-2007 at 12:49
by: unionised |
Gas discharges
Is the arc the same colour (roughly) as the blue flame of a gas cooker? IIRC that's a CO emision. Th ... |
12-2-2007 at 11:42
by: unionised |
Determining the nomenclature of oxyanions
Re "I'm interested in what you mean by that. I figure you're using some type of social comparison, b ... |
12-2-2007 at 11:32
by: unionised |
purifying acetic acid
I have a feeling there might be a brief reference to this matter elsewhere on this site. Ah! yes her ... |
12-2-2007 at 11:15
by: unionised |
preparation of p-phenylendiamine
So, if you happen to have a kughlrohr handy it's earier to use it. I daresay it is, but for those of ... |
12-2-2007 at 11:05
by: unionised |
Salts leeched from ground?
Given the near perfect IR match, I'd say the water is roughly the equivalent of the difference betwe ... |
11-2-2007 at 11:21
by: unionised |
A dumb question regarding ratios in general
My guess is parts by weight because
1) I doubt that most lawyers think a mole is anything other tha ... |
11-2-2007 at 07:45
by: unionised |
Salts leeched from ground?
Could there be MgSO4 solution ocluded in imperfections in the crystals? |
11-2-2007 at 07:17
by: unionised |
preparation of p-phenylendiamine
You can clean the stuff up quite well by dissolving it in dilute HCl, washing with ether (which take ... |
10-2-2007 at 07:25
by: unionised |
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