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

Search
[Next Page]
Dry Nitric acid
You may be able to use sieves to accomplish something. Most standard drying salts, i.e., magnesium ...
24-1-2016 at 10:44
by: BromicAcid
What's the story with the Flint water?
According to the 2014 annual water quality report for Detroit (available online) the 90th percentile ...
23-1-2016 at 22:02
by: BromicAcid
NMR analysis
[rquote=436186&tid=65101&author=morsagh]And is there any way how to predict spectrum of mixt ...
22-1-2016 at 04:36
by: BromicAcid
What's the story with the Flint water?
Note that due to dissolved carbon dioxide even regular rain water has a pH of <7, some sites clai ...
21-1-2016 at 16:38
by: BromicAcid
Using fraction column to concentrate weak H2SO4 without loss?
I would be afraid to try that with a fractional column, inevitably material will condense and fall b ...
19-1-2016 at 19:10
by: BromicAcid
Protonation of Sulfuric Acid
H<sub>2</sub>SO<sub>4</sub> + HClO<sub>4</sub> <----> ClO ...
19-1-2016 at 15:24
by: BromicAcid
Vacuum filtration & possibly distillation without mechanical pump!
Another issue is that the seals in the valves for those sort of propane cylinders were designed to b ...
18-1-2016 at 19:31
by: BromicAcid
Most easily made sulfate from elemental sulfur (powdered sulfur - flours of sulfur)
Sulfuric acid from sulfur dioxide and manganese salts (as catalyst) from oxygen in water.

[url=ht ...
15-1-2016 at 17:25
by: BromicAcid
Vacuum Distillation & other vacuum uses
If the distillation flask was not under vacuum then it would not boil. The boiling point occurs whe ...
11-1-2016 at 17:46
by: BromicAcid
Any way to draw vacuum with positive air pressure (like water aspirator or other)?
-Brainfart- As soon as I read Veturii effect I was reminded that we have a scrubber at work that us ...
10-1-2016 at 14:37
by: BromicAcid
Any way to draw vacuum with positive air pressure (like water aspirator or other)?
Note that with a traditional water aspirator you can draw vacuum down to the approximate vapor press ...
10-1-2016 at 13:28
by: BromicAcid
High temp (400 F min) caulk/silicone/sement/glue - possibly drill-able?
In terms of 'similar' do you mean in terms of application, color, chemical resistance, elasticity, e ...
8-1-2016 at 04:36
by: BromicAcid
Politics, religion, flame wars and the "Whimsy" sub forum-
[rquote=434229&tid=64893&author=blogfast25][rquote=434216&tid=64893&author=BromicAci ...
5-1-2016 at 19:31
by: BromicAcid
Scientific Glass Apparatus Company?
Agreed, that glassware could easily be that old or older. In labs the general practice is to keep u ...
5-1-2016 at 19:06
by: BromicAcid
Politics, religion, flame wars and the "Whimsy" sub forum-
[rquote=433972&tid=64893&author=Bert]I will move every thread I am aware of that violates th ...
5-1-2016 at 18:49
by: BromicAcid
Heating mantle turning yellow/red upon heating?
It's actually easy to get a mantle too hot like coils in a toaster oven. Let me guess, you were not ...
5-1-2016 at 15:23
by: BromicAcid
Politics, religion, flame wars and the "Whimsy" sub forum-
[rquote=434012&tid=64893&author=Etaoin Shrdlu]I can't say I'm disappointed.

I completely ...
4-1-2016 at 19:43
by: BromicAcid
Looking for a chemical that can be sprayed a color but then turn clear when dry?
Check out the blue bottle experiment. Traditionally performed in a flask, the mixture is initially ...
4-1-2016 at 15:38
by: BromicAcid
Table salt heating bath?
Thermal conductivity of sodium chloride at 289K is 6.5 W/(mK). Silicon dioxide is 1.3-1.5 W/(mK). ...
2-1-2016 at 13:17
by: BromicAcid
How they fiqured out a 10 percent solution?
Likely as Deathunter88 said, most KOH out there is tech grade, only about 85% pure (see attached cap ...
1-1-2016 at 22:07
by: BromicAcid
Homemade substance attacking silver
Attack as in dissolve or just surface pitting/discoloration. Rather than hydrogen sulfide, liver of ...
30-12-2015 at 13:57
by: BromicAcid
Reusing Column Silica
Depends on what you are running through your column and how tightly it is bound. Even though you ar ...
27-12-2015 at 14:29
by: BromicAcid
Nitrogen Generator
Stream of nitrogen? You're missing some key aspects here of distillation. Look up a nitrogen bubbl ...
20-12-2015 at 18:48
by: BromicAcid
Removing Hydrogen Sulfide from Ethanol
Shake with elemental silver or copper or zinc. Didn't this just get some coverage?

http://www.th ...
17-12-2015 at 19:33
by: BromicAcid
New Sheriff in Town
Remember, if a moderator is doing their job right then the target forum users will not notice your h ...
17-12-2015 at 19:31
by: BromicAcid
[Next Page]

  Go To Top