| Search |
| [Next Page] |
Aluminum BBs Vs. Lab Armor
I spent today jet washing someone's garden at 3,000 psi with a 13hp washer. Fun stuff!
The alumin ... |
6-4-2012 at 14:05
by: peach |
help with sodium bisulphate synthesis
[quote]NaCl + H2SO4 → NaHSO4 + HCl[/quote]
I would suggest you steer away from this met ... |
6-4-2012 at 13:21
by: peach |
storing highly concentrated sodiumhydroxide
HDPE
Glass is easy to crack so you may as well only use it for things that aren't compatible with ... |
6-4-2012 at 13:12
by: peach |
%v/v and %w/v calculations
[quote]inclined to take further action[/quote]
A personalised stomach pump from Henkel, with Henk ... |
6-4-2012 at 13:02
by: peach |
%v/v and %w/v calculations
I think I've seen the same stuff in B&Q too.
After some more googling, I discovered Rodine i ... |
6-4-2012 at 11:38
by: peach |
%v/v and %w/v calculations
[quote]Is this correct;
~60% formic acid[/quote]
Nah... because you've not specified if it's w ... |
6-4-2012 at 11:20
by: peach |
%v/v and %w/v calculations
It's sometimes easier if you say 'acid indicating' or 'alkaline indicating', as I'm still unsure whi ... |
6-4-2012 at 11:06
by: peach |
%v/v and %w/v calculations
The 'neutral' (equilivance) point of the titration is basic, because it's a weak acid with a strong ... |
6-4-2012 at 10:55
by: peach |
Aluminum BBs Vs. Lab Armor
I'm sure you could get soft aluminium oxide, but it's also a refractory (insulator). Saying that, sa ... |
6-4-2012 at 08:51
by: peach |
Aluminum BBs Vs. Lab Armor
[rquote=244137&tid=19580&author=Bot0nist] Oil and water baths are still necessary in many si ... |
6-4-2012 at 02:02
by: peach |
How to control the temperature of an oil bath & PID controller equipment basics
There are many different ways to skin a cat, and control something electronically.
[b]Variac[/b]
... |
5-4-2012 at 01:00
by: peach |
How to control the temperature of an oil bath & PID controller equipment basics
[quote]I cannot believe that having gone to the trouble of implementing a PID solution (from inputs ... |
4-4-2012 at 02:27
by: peach |
Vanillin - adulterated?
[quote]It hardly has any smell at all[/quote]
Food flavourings are usually dissolved in alcohol a ... |
2-4-2012 at 10:40
by: peach |
ammonium nitrate from fertilizer
I'll PM you it, since I really don't think it's a suitable topic of conversation given the number of ... |
2-4-2012 at 08:38
by: peach |
ammonium nitrate from fertilizer
No |
2-4-2012 at 05:53
by: peach |
ammonium nitrate from fertilizer
I am also curious why you are attempting to purify a 20kg bag of it considering that 6 of your other ... |
2-4-2012 at 04:30
by: peach |
Nightmare called "filling tight tubes"
[quote]Good luck with agitating that...[/quote]
Try an electric toothbrush, or something else tha ... |
1-4-2012 at 14:26
by: peach |
Making sodium iodide from iodine
How long did you leave that to reflux GC?
When I tried it, with red phosphorus, it yielded but qu ... |
1-4-2012 at 14:15
by: peach |
Spectacular brain images reveal surprisingly simple structure
[url=http://en.wikipedia.org/wiki/Neuroimaging#Magnetoencephalography]You'd want a MEG scanner (or s ... |
1-4-2012 at 08:30
by: peach |
Spectacular brain images reveal surprisingly simple structure
The way the branches stick up into the cortex remind me of [url=http://en.wikipedia.org/wiki/Purkinj ... |
31-3-2012 at 23:17
by: peach |
Correct clamp for the job?
Glass can contact metal (provided it's being used as a rest), but under no circumstances should you ... |
31-3-2012 at 11:45
by: peach |
Making sodium iodide from iodine
At one point (when I was extracting seaweed), I had a flask of hexane that iodine had been carried o ... |
31-3-2012 at 11:33
by: peach |
Chemical disposal
[quote]arguing one's position[/quote]
Science is about arguing one's position yes. You prompted t ... |
29-3-2012 at 10:01
by: peach |
Chemical disposal
[quote]hen did I say I was incinerating sulfuric acid??? I never mentioned sulfuric acid.[/quote]
... |
29-3-2012 at 09:07
by: peach |
Chemical disposal
[quote]Everything goes to the dump--where it’s incinerated in an incinerator DESIGNED to handle ha ... |
29-3-2012 at 08:26
by: peach |
| [Next Page] |
