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Wierd...
I have one more idea how to distinguish between KBr and KBrO3. KBrO3 is much less soluble in water: ... |
11-7-2006 at 04:14
by: chromium |
ammonium nitrate test...
AN decomposes on heating without leaving any solid residue. All products are gaseous. Not so with ur ... |
26-6-2006 at 02:11
by: chromium |
oleum & SO3
Maybe this is of some help:
Boiling points of oleum:
247C - 5%
200C - 13.5%
150C - 24%
100C - ... |
25-6-2006 at 06:05
by: chromium |
Homemade microgram scales
I suppose that this device gives reliable results only if its calibrated before (and after) each imp ... |
24-6-2006 at 05:40
by: chromium |
So what can I do with a liter of pyridine?
Pyridine is one of those solvents that can be used for nonaqueos electrolysis.
It can be used as ... |
24-6-2006 at 02:45
by: chromium |
Linear motor
[quote][i]Originally posted by frogfot[/i]
Is there any disadvantages? Friction?
[/quote]
I used ... |
24-6-2006 at 01:54
by: chromium |
My website. Mostly projects for the lab.
[quote][i]Originally posted by DeAdFX[/i]
...I noticed that the toaster has nichrome wraped around ... |
22-6-2006 at 00:35
by: chromium |
Complexing methanol
[quote][i]Originally posted by Chris The Great[/i]
I see magnesium sulfate in there... hmmm
[/quot ... |
21-6-2006 at 00:03
by: chromium |
Complexing methanol
Russian "Spravochnik himika Tom 3, 1965": Has table about solubility of various salts in methanol an ... |
20-6-2006 at 22:23
by: chromium |
Replacing sulfonic acid group
I have found from various books that sulfonic acid group can be replaced by hydroxyl when alkali sul ... |
17-6-2006 at 23:53
by: chromium |
DMSO acquisition
F. C. Whitmore - Organic chemistry, 1947
[quote]
Alkyl sulfoxides, R2SO, are obtained by the act ... |
17-6-2006 at 22:48
by: chromium |
DMSO acquisition
V. Richter - Organic chemistry, London, 1934:
[quote]
Sulphoxides and sulphones
These, as men ... |
17-6-2006 at 22:19
by: chromium |
My website. Mostly projects for the lab.
I am from EU and i used at least two or three Mb of your bandwith. |
17-6-2006 at 06:07
by: chromium |
Today's accepted 'cool' way of doing 'science'!
With help of Google i found that this book is The Deliberate Dumbing Down of America
by Charlotte ... |
14-6-2006 at 23:46
by: chromium |
Today's accepted 'cool' way of doing 'science'!
[quote][i]Originally posted by Quantum[/i]
In "the old days" people in general thought of science a ... |
14-6-2006 at 13:08
by: chromium |
Sodium Metasilicate
Useful prep especially for those who can not buy waterglass. (i can)
Some other uses:
Water g ... |
14-6-2006 at 04:17
by: chromium |
My website. Mostly projects for the lab.
Great page. Useful to everyone who wants to build some lab devices. |
12-6-2006 at 13:46
by: chromium |
about a microscope
Cells of most plant tissues are clearly visible and can be easily studied at this magnification. |
9-6-2006 at 21:57
by: chromium |
Molybdenum - how to etch/roughen?
If you have time to experiment, you may try to use your molybdenum as anode in electrolytic cell wit ... |
8-6-2006 at 02:18
by: chromium |
Ammonium Sulphate
Sell it as fertilizer. |
6-6-2006 at 02:01
by: chromium |
DMSO acquisition
US patent 2,581,050 is about making DMSO by catalytic oxidfation of dimethyl sulfide. Nitrogen oxide ... |
6-6-2006 at 00:52
by: chromium |
DMSO acquisition
H. E. Roscoe, C. Schorlemmer - A Treatise on chemistry Vol 3 Part 1, London 1881, pages 213 - 214:
... |
5-6-2006 at 23:54
by: chromium |
Glassware in Europe
[quote][i]Originally posted by Archimede[/i]
In Italy , I remember I had a farmacy/drug store that ... |
4-6-2006 at 13:04
by: chromium |
Preferred format of information
Real books are very lovely but expensive and can easily fill all your room.
I use mostly e-books ... |
4-6-2006 at 12:16
by: chromium |
Glassware in Europe
Where do you buy your glassware in Europe? My glassware has 29/32 and 14/23 joints so i can not buy ... |
1-6-2006 at 23:22
by: chromium |
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