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color of ultrapure water
Google gives
http://www.des.ucdavis.edu/courses/est116/116_04.htm
among others. |
8-1-2004 at 15:06
by: unionised |
Acetic acid/ sodium hydroxide
My (1991) edition still says it doesn't.
Old CRC good; new CRC better (because they have rem ... |
8-1-2004 at 15:02
by: unionised |
Acetic acid/ sodium hydroxide
Add lime
dry
add conc H2SO4
Distill (gently)
Or
Freeze out most of the water
distill
free ... |
6-1-2004 at 15:56
by: unionised |
Creation of nitrates from non-nitrates
How well does sodium chloride disolve in 50 % IPA, and WTF does this have to do with the topic?
[Ed ... |
6-1-2004 at 11:25
by: unionised |
Material search
Neon bulbs have neon in them (granted, under reduced pressure) hence the name.
Lab glassware may ... |
6-1-2004 at 11:12
by: unionised |
Acetic acid/ sodium hydroxide
Looks like there isn't an azeotrope if that website is right. |
6-1-2004 at 11:07
by: unionised |
Acetic acid/ sodium hydroxide
Does anybody have any evidence for the existance of the azeotrope?
I looked in the library at work ... |
5-1-2004 at 16:06
by: unionised |
Chlorination of Alkylamines to Nitrogen Mustards
Nicely put. |
4-1-2004 at 15:45
by: unionised |
Holiday Experiments
The traditional solution is to stop the cooling water in the condenser until the naphthalene melts a ... |
4-1-2004 at 15:41
by: unionised |
Strenght of oxidizers
IIRC CoF3 decomposes to F2 and CoF2 on heating. This means that Co (III) is a stronger oxidant than ... |
4-1-2004 at 15:35
by: unionised |
Chlorination of Alkylamines to Nitrogen Mustards
Being used as a drug does not rule out carcinogenicity. They may well be less likely to cause cancer ... |
4-1-2004 at 11:59
by: unionised |
HCl and Cl2
Tricky problem. The 2 compounds smell different. Both irritate the nose and lungs.
As for descri ... |
4-1-2004 at 07:53
by: unionised |
Acetic acid/ sodium hydroxide
If acetic acid forms an azeotrope as you say then you will be able to get it pure by simple distilla ... |
4-1-2004 at 07:50
by: unionised |
Acetic acid/ sodium hydroxide
If that's true then adding a few percent of water to the acid drops the boiling point by about ... |
3-1-2004 at 16:04
by: unionised |
Chlorine
Deacon's reaction;
4 HCl+ O2 --> 2 Cl2 +2 H2O
Needs a hot catalyst IIRC. |
3-1-2004 at 15:46
by: unionised |
NaNO2 failure
Sulphur reduces sodium nitrite on heating. |
3-1-2004 at 12:50
by: unionised |
What is Jovial Bezoar?
My best guess is that the term "Jovial" refers to Jupiter.
The distinction betwen astrol ... |
3-1-2004 at 09:16
by: unionised |
High vacuum CHEAP and dirty!
No. My name is just a nice chemistry related ambiguity. |
3-1-2004 at 08:59
by: unionised |
Chlorination of Alkylamines to Nitrogen Mustards
There is an important difference between the hazards of explosives and these chemicals. The explosiv ... |
3-1-2004 at 08:55
by: unionised |
Ethylene oxide and Acetaldehyde
Could you tell us more about the liquid silver compound please? Most silver compounds are insoluble ... |
3-1-2004 at 08:07
by: unionised |
Acetic acid/ sodium hydroxide
I don't think acetic acid forms an azeotrope with water.
It's just a thought, but if you ... |
3-1-2004 at 08:00
by: unionised |
Preparation of elemental phosphorus
If you can get hold of a phosphide and acidify it you get PH3. This will decompose on heating to giv ... |
3-1-2004 at 06:59
by: unionised |
What are some lab uses for Sulfamic acid
It's handy for removing limescale, It also removes nitrites/ oxides of nitrogen from solution ( ... |
3-1-2004 at 06:37
by: unionised |
High vacuum CHEAP and dirty!
No, Its the same thing. That farty little thing you hook up to the tap will drop the pressure to rou ... |
24-12-2003 at 04:51
by: unionised |
case study help : an explosion : MEKP
A country might decide to make MEKP to use as a military explosive. OTOH they could just buy the stu ... |
24-12-2003 at 04:43
by: unionised |
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