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Two colors from same nails and HCl
Could the green color be ferrous ion? In contact with the metal Fe, it might stay as Fe+2 despite th ... |
3-3-2017 at 17:47
by: pantone159 |
Iodized salt ok for brine washes?
Canning/pickling salt, or kosher salt is a better choice. Both of these that I have list the ingredi ... |
3-3-2017 at 08:24
by: pantone159 |
Achtung baby: hasta la vista!
Welcome back!
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17-2-2017 at 08:48
by: pantone159 |
Preparation of Chrome Yellow and Chrome Orange
Nice work, I like the colors. I did not know that the cloudiness in PbNO3 solutions was from the bas ... |
16-2-2017 at 20:09
by: pantone159 |
Dissolving silver metal with ammonium thiosulfate
I would try thiosulfate long before CN or ferricyanide! Could use Na or NH4 thiosulfate. Both probab ... |
13-2-2017 at 09:50
by: pantone159 |
Radium extration
Or perhaps this is supposed to be CoCl2 to refer to a dryness indicator in what looks like a drying ... |
9-2-2017 at 08:05
by: pantone159 |
Periodic Table Display
I do not have as nice a display as some of these, but for F, I do have a sample of antozonite, which ... |
12-1-2017 at 07:38
by: pantone159 |
thallium chemistry
Does elemental Tl dissolve easily in mineral acids? I have a surplus gram of it that could be good f ... |
6-1-2017 at 15:28
by: pantone159 |
Best way to separate tetraamine copper sulfate and ammonium sulfate?
I suspect that you drove the ammonia away as a gas. You should not have had any copper hydroxide lef ... |
4-1-2017 at 18:51
by: pantone159 |
Our Entire Maths System is Fundamentally Wrong
Complex numbers (those that have some component of i in them) are actually more natural than just th ... |
28-11-2016 at 16:18
by: pantone159 |
Briggs–Rauscher reaction - Chemical Oscillations
I am pretty sure that you need malonic acid, I have never seen any substitutes for it in this reacti ... |
18-11-2016 at 07:04
by: pantone159 |
Quantity of plutonium
The spill of the entire national supply (and it was probably micrograms) was probably back in WWII w ... |
4-10-2016 at 06:09
by: pantone159 |
Red Cabbage pH juice - can it be stored?
I have had good luck extracting with 95% EtOH. I think I use about 50 g of 95% EtOH, and 50 g of red ... |
24-5-2016 at 13:08
by: pantone159 |
Radium glow
[rquote=219369&tid=17295&author=Endimion17]
I think that photo of "radium" could very well ... |
18-8-2011 at 14:18
by: pantone159 |
Radium glow
[rquote=219341&tid=17295&author=blogfast25]Photos of radium can't be that hard to find: I ha ... |
18-8-2011 at 08:41
by: pantone159 |
Ferric Ammonium Alum problems…
I have some ferric ammonium alum, and when purchased, the crystals were pale violet. Upon storage, t ... |
26-6-2011 at 17:55
by: pantone159 |
Uranium/Thorium salts for sale!
Sent U2U as well.
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29-4-2011 at 08:11
by: pantone159 |
Making biuret reagent
bitartrate is just hydrogen tartrate, so you would use the same number of moles of K bitartrate as K ... |
20-2-2011 at 09:44
by: pantone159 |
Sciencemadness at risk -- your help wanted
The donate link didn't work for me. I got a PayPal login screen, but it rejected my correct email/pa ... |
2-1-2011 at 18:59
by: pantone159 |
Using hot plates
I have heard that Pyrex brand cookware in the US is often not actually borosilicate glass, the name ... |
27-9-2010 at 09:38
by: pantone159 |
New place to look for conc. acetic acid
Sorry, I meant that I have not seen the 28% stuff without the indicator. I have access to good quali ... |
22-9-2010 at 19:28
by: pantone159 |
New place to look for conc. acetic acid
I've never seen the photo HOAc sold without an indicator (bromothymol purple???) in the solution. Th ... |
22-9-2010 at 11:45
by: pantone159 |
CTC PAL Autosampler programming
I already know everything going through the serial port! My code is explicitly sending all of it, an ... |
3-7-2010 at 09:13
by: pantone159 |
CTC PAL Autosampler programming
I am doing some programming for the CTC PAL Autosampler. This machine/robot picks up samples, e.g. f ... |
30-6-2010 at 07:04
by: pantone159 |
certificate err.
I get similar messages to this, for a long time. It seems most common when I follow a link in one po ... |
30-6-2010 at 06:55
by: pantone159 |
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