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Two strange rocks I found outside
Looks like a bit of quartz/quartzite with some Fe-oxide/hydroxide staining on the fractured surface! ...
9-2-2020 at 14:49
by: Xenoid
Tired of reporting spam
[rquote=519855&tid=16937&author=Swinfi2]I really like Reboots idea of a sign up quiz. say li ...
20-7-2018 at 18:56
by: Xenoid
Locating MMO coated Ti mesh for Chlorine Generator
Why not just purchase a chlorinator replacement cell from a swimming pool supplies shop?

Here for ...
9-7-2017 at 15:50
by: Xenoid
Vacuum filtration help
Try pressure filtration, it is far more effective and used by industry for these types of processes. ...
11-3-2017 at 18:59
by: Xenoid
stannous chloride
Just a long shot...:)

Are you sure you don't have 99.9% pure Titanium (Ti) and not pure Tin (Sn). ...
26-11-2016 at 16:21
by: Xenoid
Graphite from dissolved electrode
You could try diatomaceous earth, I used it to clean up the graphite in some of my chlorate cells.
5-8-2016 at 15:43
by: Xenoid
Best way to clean battery graphite rods?
[rquote=452017&tid=66554&author=Daffodile]Use acetone and scrubbing, there's an adhesive of ...
16-6-2016 at 18:09
by: Xenoid
Question on this neat crystallization
From Mellor......

"It is interesting to note that copper sulphate normally crystallizes with 5H2O ...
19-5-2016 at 15:05
by: Xenoid
Germanium from Transistor
[rquote=448509&tid=66180&author=aga]The very first radio receivers were the 'Cat's Whisker' ...
10-5-2016 at 17:08
by: Xenoid
Germanium from Transistor
Old battery chargers Used Germanium rectifie ...
10-5-2016 at 12:32
by: Xenoid
Alternative way to make Mno2 anodes?
It's a long time since I made any MnO2 electrodes! :)

I recall trying to plate MnO2 onto graphite ...
29-3-2016 at 19:47
by: Xenoid
Missing persons
[b]len1[/b] is Leonid Lerner, a New Zealander now living in Australia as far as I know.

I gather ...
24-3-2016 at 23:13
by: Xenoid
Ferrous Sulfate Heptahydrate
ScopeGuy2 - Why are you MAKING ferrous sulphate, you have stated in your first post that you already ...
27-12-2015 at 14:47
by: Xenoid
Filtration - any issue with using positive pressure instead of vacuum?
Pressure filtering works wonderfully well, and is commonly used on an industrial scale.

Check out ...
7-11-2015 at 13:27
by: Xenoid
Is there a way to slow down the setting of gypsum?
Just came across this in Mellor, with regard to gypsum:

"Admixture of alum or borax with the plas ...
11-4-2015 at 16:49
by: Xenoid
Ammonium Nitrate from Calcium Ammonium Nitrate
[rquote=383853&tid=59080&author=Backyard Chemist]
... The purpose of me doing this experime ...
31-12-2014 at 14:02
by: Xenoid
Homemade lid for electrolysis cell
i recall having a thread somewhat about this, but ...
4-2-2014 at 12:05
by: Xenoid
Mythbusters "explosive snake" mystery compound
This reaction is a well-known chemical demonstration, I remember seeing it way back in the 1960's. I ...
2-2-2014 at 17:34
by: Xenoid
A place to buy platinum plated titanium anodes ?
I bought my first Pt clad Ti anode from a wholesale jewelry-making equipment supplier in Australia, ...
2-2-2014 at 14:46
by: Xenoid
LED Dangers - Unbelievable Paranoia!
Perhaps you should check out this post! ...
12-12-2013 at 11:56
by: Xenoid
Fluoride measurements, common water
...... flouride, I assume you mean fluoride :)

A fluoride ion specific electrode is the way to go ...
26-9-2013 at 08:00
by: Xenoid
Vanadium Sulfate - does it exist?
Google has plenty of references to vanadium (II) sulfate heptahydrate!

From Mellor Vol.9 page 818 ...
26-8-2013 at 19:33
by: Xenoid
MMO gap distance
Well, for an amateur cell it's not really important!

In commercial cells and pool chlorinators th ...
9-8-2013 at 14:33
by: Xenoid
Thoughts On Anodes
batsman - clearly you didn't try very hard!

Several years ago, I bought graphite anodes from the ...
30-7-2013 at 12:02
by: Xenoid
complete n00b
Not sure what you are on about - but the equation is not balanced!

Should be;

4NH[sub]3[/sub] ...
25-7-2013 at 15:46
by: Xenoid
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