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Fun with my Vacuum Pump- Operation Questions [rquote=174813&tid=13581&author=Wizzard]
2. Pump backflows oil when turned off, and when ... |
2-4-2010 at 00:16 by: Panache |
The short questions thread (2) ---->Yes I am using a high vacuum pump. And yes I am using high quality filter paper (it ----> ... |
31-3-2010 at 20:39 by: Panache |
Very odd piece of high precision glass, any ideas? [rquote=174769&tid=13435&author=UnintentionalChaos]Together, photos 2 and 3 look like a solv ... |
31-3-2010 at 20:33 by: Panache |
Very odd piece of high precision glass, any ideas? [rquote=174715&tid=13435&author=not_important]Re 1-7, not resistivity so much as conductance ... |
31-3-2010 at 17:07 by: Panache |
Very odd piece of high precision glass, any ideas? Thanks chief, your guesses regarding the volume's are spot on so likely you are right about its purp ... |
30-3-2010 at 18:07 by: Panache |
DIY Karl Fischer moisture analyzer [rquote=174348&tid=13553&author=not_important]Volumetric or coulometric?
[/rquote]
Eit ... |
30-3-2010 at 17:48 by: Panache |
large battery, ideas? thanks all for the replies couple of questions
Conrabasso-Is running a dc voltage equal to that o ... |
30-3-2010 at 17:43 by: Panache |
NMP - Purification - Ideas? a standard 1, 2, 3, 4, 6 or 9kg/L bbq/camping/propane/lpg gas cylinder has a fitting that can be eas ... |
30-3-2010 at 16:42 by: Panache |
Laboratory Tips and Tricks Glassware often has little glass hooks welded close to the join. This enables joins to be attached t ... |
26-3-2010 at 20:18 by: Panache |
NMP - Purification - Ideas? Sorry is there a reason you don't just vacuum distill it from the goop? |
24-3-2010 at 21:49 by: Panache |
Aluminum phosphate decomposition [rquote=173930&tid=12694&author=watson.fawkes] Also, all other things being equal (such as g ... |
23-3-2010 at 21:59 by: Panache |
Early chemists obtaining their reagents from nature. Isn't there a mmorpg out where you can virtually be 'totally independent from society'. I remember ... |
22-3-2010 at 07:44 by: Panache |
large battery, ideas? [rquote=173658&tid=13480&author=Contrabasso]Check the cell levels then check whether it hold ... |
16-3-2010 at 16:59 by: Panache |
Dehydration of 3-Phenyl-1-propanol [rquote=173735&tid=13508&author=len1]Or maybe we got it completely wrong and its going to be ... |
16-3-2010 at 16:55 by: Panache |
fluorosilicic acid? [rquote=173594&tid=13482&author=chemrox]
Are rubber lined bottles cheaper than Teflon con ... |
16-3-2010 at 16:49 by: Panache |
fluorosilicic acid? Or aluminium phosphide aka fumitoxin, (wonder who pens those names) componded together with ammonia ... |
9-3-2010 at 15:31 by: Panache |
large battery, ideas? A friend recently had to move factories and as a final clearout had an auction which was well cleare ... |
8-3-2010 at 09:07 by: Panache |
Preparation of elemental phosphorus Consider pressing small tablets out of your starting reagents using a kbr die used to press IR plate ... |
7-3-2010 at 23:57 by: Panache |
Very odd piece of high precision glass, any ideas? One end is completely sealed with making liquid filling a challenge, the upper part has an internal ... |
26-2-2010 at 03:15 by: Panache |
The lead salts preparation thread! [rquote=172612&tid=5490&author=JohnWW]That looks like good pigment-quality "red lead", Pb3O4 ... |
26-2-2010 at 02:10 by: Panache |
The lead salts preparation thread! [rquote=172596&tid=5490&author=12AX7]This is what I got from roasting:
[/img]
Maybe it ... |
25-2-2010 at 19:41 by: Panache |
The lead salts preparation thread! [rquote=172403&tid=5490&author=12AX7]
Calcining the Pb(OH)2 produces a yellow to drab ora ... |
25-2-2010 at 03:33 by: Panache |
CCl4 and CHCl3 from CH2Cl2 [rquote=172469&tid=11852&author=Sauron]
There are better ways to make CCl4. Starting from G ... |
24-2-2010 at 16:04 by: Panache |
Laboratory Tips and Tricks Not wanting to turn this into a 'Tips and tricks for the home Craft Hobbyists' thread, i will first ... |
24-2-2010 at 15:41 by: Panache |
CCl4 and CHCl3 from CH2Cl2 this thread was about a chemical I believe, well it was once, long ago, perhaps some of you may reme ... |
23-2-2010 at 07:59 by: Panache |
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