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

Search
[Next Page]
Periodic Table Display
Here is my effort at a periodic table with a few notes.

1. I deliberately stopped at Bismuth as r ...
12-1-2017 at 02:04
by: nezza
H2S preparation
You will not be able to make H2SO4 from MnSO4 and H2S in an aqueous environment. MnS has a highish s ...
12-12-2016 at 01:17
by: nezza
MnO2 -> MnSO4; What is the best route?
In acid conditions Mn2+ is the stable species. Adding Hydrogen peroxide and dilute Sulphuric acid to ...
4-12-2016 at 03:50
by: nezza
Red chemiluminescence
Here's a picture of the red chemiluminescence from Woelen's method. Thanks for the method Woelen.

...
21-11-2016 at 00:33
by: nezza
Polishing scratches from a microscope lens?
Do not try to polish the scratches out. It will invariably impair the performance of the lens. Clean ...
13-11-2016 at 01:54
by: nezza
2,4-DNPH in schools - overreaction
"They have this chemical. It is no longer in the curriculum.". Are "A" level chemistry students the ...
2-11-2016 at 12:36
by: nezza
Dissolving silver as silver lactate?
The thing is silver is well below hydrogen in the electrochemical series so will not displace it fro ...
11-10-2016 at 06:15
by: nezza
Copper complex with oven cleaner(Ethanolamine)
I've played about with some copper(II) complexes with a few amines. Here is a pretty picture of a fe ...
5-10-2016 at 06:13
by: nezza
Purifying Potassium Permanganate
Potassium permanganate is much less soluble in water than Sodium sulphate so initially I would try w ...
25-9-2016 at 23:38
by: nezza
Copper (II) acetate in boiling water
If MrBunGee is talking about copper(II) acetate there is no redox reaction occurring. It is simply p ...
22-9-2016 at 23:57
by: nezza
Chlorate from hypochlorite
I recently bough some sodium hypochlorite bleach for a project and have some left over so I thought ...
4-9-2016 at 01:36
by: nezza
Caught boiling urine
I just have to watch the BBC. That boils my piss.
4-9-2016 at 00:15
by: nezza
Cyanide Care Sheet
Just a question about relative toxicities. I have read that azides are about as toxic as cyanides. W ...
2-9-2016 at 22:00
by: nezza
Most overrated and underrated hazardous chemicals?
Sulphuric and nitric acid are dangerous when concentrated. Hydrochloric acid is relatively innocuous ...
26-8-2016 at 01:51
by: nezza
"Large" Scale Bromoform Synthesis
I have tried using bleach and the product has an intermediate desnity between bromoform & chloro ...
25-8-2016 at 23:37
by: nezza
Hydronium H9O4??!!
It sounds like marketing bollox. H9O4 as a hydrated hydronium ion would have a net positive charge a ...
8-8-2016 at 22:59
by: nezza
Antimony(III) and (V)
Hi. I have an acid solution containing antimony(III) and (V). Is there some way of reducing antimony ...
27-6-2016 at 23:10
by: nezza
New (Proposed) Element Names Revealed
How about unobtainium ?.
9-6-2016 at 23:15
by: nezza
Restricted movement.
Finally I thought I would drop some onto wet paper under Argon. Interestingly this still gave some r ...
3-6-2016 at 11:18
by: nezza
Videos
3 videos of potassium - All at 200fps.

1. Standard reaction with water.
2. Close up of above.
3 ...
3-6-2016 at 11:15
by: nezza
Playing with Potassium
I have some potassium which is getting a bit long in the tooth so I thought I would put it to some u ...
3-6-2016 at 11:12
by: nezza
How to Stabilize a Starch Suspension
At work we used 0.1% sodium azide as a bacteriostat for most "organic" solutions. It does however re ...
19-5-2016 at 23:36
by: nezza
Distilling aquaregia
Aqua regia is not a stable mixture. It decomposes to reactive species such as nitrosyl chloride and ...
4-5-2016 at 23:38
by: nezza
Data Validation of previous Eosin Y results for April/21/2016
Hi Dhaffnersr

The values I get are :-

Fluorescein - 528nm
Eosin Y - 551nm
Rhodam ...
28-4-2016 at 00:06
by: nezza
Data Validation of previous Eosin Y results for April/21/2016
Thanks for the info. I have attached my traces of 3 dyes using a 405nm laser for the fluorescein and ...
26-4-2016 at 23:21
by: nezza
[Next Page]

  Go To Top