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Thoughts On Anodes
The substrate stays unaffected since I can see from sides (where it was cut) - most likely it's tita ... |
10-2-2015 at 14:52
by: papaya |
Thoughts On Anodes
A question about "standard" MMO pool chlorinating anode - recently I got some from very well know *b ... |
10-2-2015 at 14:24
by: papaya |
RFNA > Is it good for anything?
I'm sorry for speculation, but wouldn't addition of NH4NO3 into RFNA turn it colorless due to NO2 re ... |
30-8-2014 at 08:43
by: papaya |
I made solvated electrons without need of liquid ammonia
wine+virtualdub? |
24-8-2014 at 02:41
by: papaya |
Public Apology From Me
Amen! |
14-8-2014 at 03:26
by: papaya |
Alternate route to dry ethanol
Always wanted to try CaC2 as a drying agent, will it work? |
11-8-2014 at 14:31
by: papaya |
How to chemically strengthen glass
Wanted to share a video from Ben Krasnov
www.youtube.com/watch?v=y02AXdec1sE&list=UUivA7_KLKWo4 ... |
9-8-2014 at 05:05
by: papaya |
Mysterious Brown Gas. Not Bromine.
If you could improve the reaction in a way that the end products contain mostly KNO2, then you have ... |
21-7-2014 at 09:25
by: papaya |
The best way to physically destroy an hard disk
Sorry, but this thread is silly and gets irritating to me (seeing it always on top), why you need to ... |
20-7-2014 at 12:55
by: papaya |
I need help! for electrodeposition of copper
What about a plan like:
1. immerse Al cathode into dilute H2SO4 yet NOT containing CuSO4 in mixtu ... |
18-7-2014 at 14:12
by: papaya |
H3PO4 + Al = phosphine ?
Yes woelen, that's what I also thought - a reduction of phosphate anion or more probably of free aci ... |
17-7-2014 at 04:35
by: papaya |
Dangers/risks of Mazilli ZVS driver?
Don't be excited too much - works only on ferromagnetics. copper will not get too hot for example - ... |
16-7-2014 at 16:25
by: papaya |
H3PO4 + Al = phosphine ?
Thanks Polverone, I'll read, one more question - is it possible to concentrate 85% acid even more so ... |
16-7-2014 at 15:18
by: papaya |
H3PO4 + Al = phosphine ?
Really, typo - oxidation state is -3 in phosphine. The smell is very similar to one of technical cal ... |
16-7-2014 at 12:56
by: papaya |
H3PO4 + Al = phosphine ?
Recently I obtained phosphoric acid, that is advertised to be of 85% concentration. When I put a ml ... |
16-7-2014 at 06:44
by: papaya |
H2O2 decomp. catalysts
The effect of pH may be is due to
H2O2 <=> H+ + HOO-
equilibrium - it's known that even ... |
12-7-2014 at 07:34
by: papaya |
H2O2 decomp. catalysts
[rquote=337984&tid=31151&author=blogfast25]
In H2O the oxygen atoms have 2 lone electron pa ... |
12-7-2014 at 06:04
by: papaya |
The Short Questions Thread (4)
I performed titration of most concentrated H2SO4 I could find( diluted by 1:50 ) with Na2CO3 soluti ... |
9-7-2014 at 04:57
by: papaya |
Is there a general rule about stirring rate & reaction speed like there is for temperature?
https://en.wikipedia.org/wiki/Diffusion_control |
9-7-2014 at 01:41
by: papaya |
The Short Questions Thread (4)
Just read the page I provided
"however, in precence of phenolphthalein indicator, the end point of ... |
8-7-2014 at 07:04
by: papaya |
The Short Questions Thread (4)
Hmm, interestingly I found here that phenolphtalein is not suitable for acid standardizations with ... |
8-7-2014 at 03:33
by: papaya |
The Short Questions Thread (4)
Thank you, I thought phenolphthalein is worse in this case because it's color transition occurs unde ... |
6-7-2014 at 16:02
by: papaya |
The Short Questions Thread (4)
Yes cheddite, I need it for strong acids and if it works then some other related questions: which in ... |
6-7-2014 at 15:41
by: papaya |
The Short Questions Thread (4)
Can I use sodium carbonate as a standard for acid titrations ? The indicator used will be methyl or ... |
6-7-2014 at 14:52
by: papaya |
For those curios about cast ETN
most interestingly you don't want to show what happened to the cast iron afterwards? |
6-7-2014 at 01:38
by: papaya |
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