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How much Platinum in old crooke-xray-tube's anode ?
Here now the downsized images, for the high-res ones go to the gallery
( http://mister-big-busines ... |
23-1-2010 at 03:18
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
The book (link 2 posts above) states plated Ni for cheaper tubes of low output ... ; tungsten on the ... |
23-1-2010 at 02:56
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
How old, by that book, do you think these are ? What wattage ? The larger one, with it's 43 cm of le ... |
22-1-2010 at 07:35
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
Now the pictures:
http://mister-big-busines.de/crooke-xray/index.html
I pay 25 % provision to ... |
22-1-2010 at 05:38
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
I havent made the photos yet, but: The larger one is even a "self-regulating" one, like described on ... |
21-1-2010 at 13:26
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
No tungsten, I've read around, eg.
http://books.google.de/books?id=IXPz7bVR7g0C&pg=PT68&lpg ... |
20-1-2010 at 07:29
by: chief |
How much Platinum in old crooke-xray-tube's anode ?
Hello again, friends, it's been a while ...
I wonder:
There are 2 quite ugly, old crooke-style ... |
20-1-2010 at 05:27
by: chief |
Strange find while hiking...
The "MS 0" on the label might mean "0 milliseconds" ; the blue doughnut-thing, depending on it's con ... |
20-4-2009 at 01:31
by: chief |
Sarin from Ball-point ink by "CSIS"
@Sauron: And I thought that Saddam got his chem-weapons from some US-companies ... ; finally he was ... |
19-4-2009 at 13:38
by: chief |
Chlorate the other way
Supposed I have enough conc. HCl, as well MnO2 and NaOH OR Ba(OH)2 :
Could I just make a hot soluti ... |
17-4-2009 at 04:59
by: chief |
Making Hydrochloric Acid
Well, second thought about it: Maybe after a while of electyrolyzing/ reusing the H2SO4-brine there ... |
17-4-2009 at 04:36
by: chief |
Making Hydrochloric Acid
Only 20 %, but that doesn't matter in this case:
==> HCl-gas has some solubility, which decreas ... |
17-4-2009 at 03:43
by: chief |
Making Hydrochloric Acid
Where's the problem ?
==> SO4(2-) goes to the anode, reacting with water to H2SO4
==> menaw ... |
16-4-2009 at 08:20
by: chief |
Making Hydrochloric Acid
@hissingnoise" Wasn't there a thread by "der alte", where he did exacly that ? With a diaphragma, of ... |
16-4-2009 at 01:24
by: chief |
A strong herbizide ?
That's a lot helpful, thank you not-important ! Now: Since 1000 l of 1% solution make 10 kg chlorate ... |
15-4-2009 at 08:52
by: chief |
Making Hydrochloric Acid
There's no way around electrolyzing Na2SO4, from some starting-batch of H2SO4 and NaCl ;
:: then b ... |
15-4-2009 at 02:40
by: chief |
Controlled substances/grandfathered?
Thats whatfor there are judges: The judge will look at the case and try to tell, if the old label an ... |
15-4-2009 at 02:34
by: chief |
A strong herbizide ?
Would sodium-chlorate be useful ? What amount needed for a field of quite tall plants ?
Besides: Ho ... |
15-4-2009 at 02:22
by: chief |
A strong herbizide ?
Supposed that some lightweight and strong herbizide is used, that can make off M~o~n~s~a~n~t~o -gene ... |
14-4-2009 at 15:51
by: chief |
Separating Chromium out of electrolytically corroded stainless steel
There is a table at the bottom of this page:
http://en.wikipedia.org/wiki/Stainless_steel
So 1 ... |
14-4-2009 at 04:45
by: chief |
Separating Chromium out of electrolytically corroded stainless steel
The washing-machine alloy is said to contain up to 20 or 30 % chromium ... |
14-4-2009 at 04:02
by: chief |
Separating Chromium out of electrolytically corroded stainless steel
Suppose one would want chromates or other chromium-compounds, and the chromium-source would be the p ... |
14-4-2009 at 03:36
by: chief |
Making mystery glass ware foodsafe?
There is also such a thing as _inorganic_ radiochemistry ; and some of the elements used there are s ... |
13-4-2009 at 01:45
by: chief |
Making mystery glass ware foodsafe?
Worst case scenario would be: Glassware is from a radiochemical lab.
I would _never_ use any glass ... |
12-4-2009 at 07:52
by: chief |
Sodium Oxide
_Stainless_ steel lasts for a while, even at 800 Celsius and with Na2CO3 melt in it. But better have ... |
12-4-2009 at 01:23
by: chief |
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