Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
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
[Next Page]

  Go To Top