Xenon
Xenon
Tellurium Iodine Xenon Cesium Barium Helium Neon Argon Krypton Xenon Radon Ununoctium
Xenon Flash tubeXenon Antique reagent flaskXenon Mounted arc tubeXenon Sample from the RGB SetXenon Sample from the Everest SetXenon Museum-grade sampleXenon Pressurized ampuleXenon Xenon short-arc lampXenon Medical radioactive xenonXenon Medical radioactive xenon
Xenon High pressure xenon lightXenon High power xenon studio flashXenon Xenon discharge headlampXenon Xenon short arc lamp and housingXenon Xenon incandescent headlampXenon Photo Card Deck of the Elements
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Xenon is an inert noble gas, and for years everyone assumed it was impossible to form compounds out of it. Then someone who didn't know any better started synthesizing a variety of xenon-fluorine compounds, some of which are actually solids at room temperature. This is quite remarkable.

As a gas xenon is widely used in photographic flash tubes (the electronically triggered kind that can be used many times, not the old one-time chemical flash bulbs). Strobe lights in dance clubs and airplane wings are also xenon tubes.
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Xenon Flash tube
SoundFlash tube.
Purchased at Radio Shack May 2002. These kinds of tubes are used for photographic flashes.
Source: Radio Shack
Contributor: Theodore Gray
Acquired: 10 May, 2002
Price: $5
Size: 1.5"
Purity: >95%
Xenon Antique reagent flask
3D3DAntique reagent flask.
I got a set of five different noble gas flasks on eBay for $13.50, which seemed like a good deal even though the seller described them as "probably empty". I very much doubt, however, that they are empty: At the bottom where the flask meets the tube, there is a tiny inner breakaway seal that is completely intact on all five of them. There's no visible way for the gas to have escaped. I've learned that one normally uses a steel ball, held up with a magnet, to break the seal: When you've hooked up and flushed out all the connecting tubes, you pull away the magnet and the ball drops onto the seal, breaking it and releasing the gas.
After many unworkable suggestions for proving whether the gases were still in there, several people came up with the idea of using a high voltage transformer, such as one finds in those now inexpensive plasma ball novelty lights, to try to set up an arc inside the flask, and identify the gas from the color of the discharge. Whether this is possible is sensitive to the pressure of the gas, which is not known.
Fortunately, it worked beautifully on three out of the five, and proved beyond a reasonable doubt that those three at least contain the gas claimed. The others almost certainly failed because the type and pressure of gas in them does not support an arc, not because they are empty. In fact, if they were empty, I would have gotten an arc, because the arc works through up to about half an inch of ordinary air.
You can see pictures of all the arcs along with a picture of the display stand I built for them (between 10PM and midnight of the evening they arrived) a using some of the same Carlson Maple used for the noble gas tiles on the table.
By the way, isn't it a cute oxymoron: Reagent-grade non-reactive gas.
Source: eBay seller tictoxx
Contributor: Theodore Gray
Acquired: 28 August, 2002
Text Updated: 29 January, 2009
Price: $3
Size: 9"
Purity: 99.95%
Xenon Mounted arc tube
Mounted arc tube.
In some ways, gases are a pain from a sample point of view. With the exception of chlorine and bromine they all look exactly the same: Like nothing at all. My beautiful set of noble gas flasks is beautiful because of the flasks, not what's in them, which is indistinguishable from plain air or vacuum. (So much so that I got them for a bargain price because the seller thought the were empty.)

But set up an electric current through almost any gas, and things are completely different. The current ionizes the gas, and when the electrons fall back into their orbits, they emit light of very specific frequencies. These spectral lines can easily be seen with even a very cheap pocket spectroscope, and they give the glowing tubes very unusual colors. So unusual in fact that they are basically impossible to photograph. The pictures here simply don't look at all like the real colors of these tubes, which cannot be represented by the limited red, green, and blue mixtures available in computer or printed photographs.

David Franco helped arrange these tubes, which were made by a guy who specializes in noble gas tubes and Geissler tubes (click the source link). I have tubes installed in each of the five stable noble gas spots in the table, hooked up underneath to a high voltage transformer. They are really quite beautiful. On my Noble Rack page I have all the pictures collected, along with pictures of arcs I made in my other collection of noble gas flasks.

Source: Special Effects Neon
Contributor: Theodore Gray
Acquired: 22 November, 2002
Price: $35
Size: 2.5"
Purity: >90%
Xenon Sample from the RGB Set
Sample from the RGB Set.
The Red Green and Blue company in England sells a very nice element collection in several versions. Max Whitby, the director of the company, very kindly donated a complete set to the periodic table table.

To learn more about the set you can visit my page about element collecting for a general description or the company's website which includes many photographs and pricing details. I have two photographs of each sample from the set: One taken by me and one from the company. You can see photographs of all the samples displayed in a periodic table format: my pictures or their pictures. Or you can see both side-by-side with bigger pictures in numerical order.

The picture on the left was taken by me. Here is the company's version (there is some variation between sets, so the pictures sometimes show different variations of the samples):


Source: Max Whitby of RGB
Contributor: Max Whitby of RGB
Acquired: 25 January, 2003
Text Updated: 11 August, 2007
Price: Donated
Size: 0.2"
Purity: 99.9%
Xenon Sample from the Everest Set
Sample from the Everest Set.
Up until the early 1990's a company in Russia sold a periodic table collection with element samples. At some point their American distributor sold off the remaining stock to a man who is now selling them on eBay. The samples (except gases) weigh about 0.25 grams each, and the whole set comes in a very nice wooden box with a printed periodic table in the lid.

To learn more about the set you can visit my page about element collecting for a general description and information about how to buy one, or you can see photographs of all the samples from the set displayed on my website in a periodic table layout or with bigger pictures in numerical order.

Source: Rob Accurso
Contributor: Rob Accurso
Acquired: 7 February, 2003
Text Updated: 29 January, 2009
Price: Donated
Size: 0.2"
Purity: >99%
Xenon Museum-grade sample
3D3DMuseum-grade sample.
In early 2004 Max Whitby and I started selling individual element samples identical or similar to the samples we use in the museum displays we build. These are top-quality samples presented in attractive forms appropriate to the particular element. They are for sale from Max's website and also on eBay where you will find an ever-changing selection of samples (click the link to see the current listings).

This is a lovely hand-made discharge tube, powered by a small high-voltage transformer. The color is characteristic of the noble gas contained in the tube, and of course the shape spells the element's atomic symbol. In our large periodic table displays we use larger versions of these tubes: The ones photographed here are about 3" tall, but the other ones look basically identical, just bigger.

I chose this sample to represent its element in my Photographic Periodic Table Poster. The sample photograph includes text exactly as it appears in the poster, which you are encouraged to buy a copy of.
Periodic Table Poster

Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 18 April, 2005
Text Updated: 11 August, 2007
Price: See Listing
Size: 4"
Purity: >99%
Sample Group: RGB Samples
Xenon Pressurized ampule
3D3DPressurized ampule.
This is a small (1/8" inside diameter) vial of liquid xenon. It takes quite a lot of pressure to turn xenon gas into a liquid, so the vial is made of high-strength quartz glass, and it's embedded in a large cylinder of acrylic to contain the gas if the glass were to break. Hopefully the acrylic would be strong enough.
Actually there is only liquid in the ampule below 16C (61F), so at room temperature it's just gas. Fortunately it's winter now so I could easily cool my studio down to about 50F to photograph the 360 degree rotation I make of every new sample. This process takes half an hour (360 frames shot one every 5 seconds as the sample makes one complete revolution in 30 minutes). I put the sample in the freezer for a few hours, which got it about half full of liquid. You can see it evaporating slowly until only about a fifth of the ampule is liquid by the end of the rotation. (The rotation is shot very close up so all you see is the bit of liquid at the bottom of the vial.)
Source: Ivan Timokhin
Contributor: Ivan Timokhin
Acquired: 28 December, 2006
Text Updated: 7 January, 2007
Price: Donated
Size: 0.5"
Purity: 99%
Xenon Xenon short-arc lamp
3D3DXenon short-arc lamp.
Lamps like this are what replaced carbon arc lights in many applications where no other technology would do. Both types of lamp produce light with a small, extremely intense electric arc. Unlike most other kinds of lamps, the light all comes from one very small spot, and there's a huge amount of it. This makes these bulbs suitable for use in search lights and movie projectors where the light needs to be focused into a strong beam: By putting a small source of light at the focal point of a parabolic reflector, you get a beam.
The main advantage of a xenon short arc lamp is that the spark is completely contained in the bulb, which is filled with a fairly high pressure of xenon gas (high enough that larger versions can be quite dangerous and are always handled with a protective case to guard against flying glass). Carbon arc lights operate in the open air, creating smoke and slowly consuming the electrode: They are not completely gone yet, but are pretty much relegated to the point of historical curiosity at this point.
Source: eBay seller cieinternational
Contributor: Theodore Gray
Acquired: 8 December, 2007
Text Updated: 8 December, 2007
Price: $12.50
Size: 4"
Purity: 99%
Xenon Medical radioactive xenon
3D3DMedical radioactive xenon.
This bottle long ago contained some radioactive xenon-133 intended for medical use. I'm not sure how it's used medically, perhaps inhaled to irradiate lung cancers? Feel free to enlighten me.
Source: Anonymous
Contributor: Anonymous
Acquired: 8 March, 2008
Text Updated: 8 March, 2008
Price: Donated
Size: 2"
Purity: 0%
Sample Group: Medical
Xenon Medical radioactive xenon
3D3DMedical radioactive xenon.
This bottle long ago contained some radioactive xenon-133 intended for medical use. I'm not sure how it's used medically, perhaps inhaled to irradiate lung cancers? Feel free to enlighten me.
Source: Anonymous
Contributor: Anonymous
Acquired: 8 March, 2008
Text Updated: 8 March, 2008
Price: Donated
Size: 2"
Purity: 0%
Sample Group: Medical
Xenon High pressure xenon light
3D3DHigh pressure xenon light.
The is a small flashlight xenon bulb in its reflector housing.
Source: eBay seller ja117
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $3
Size: 1"
Purity: <5%
Xenon High power xenon studio flash
3D3DHigh power xenon studio flash.
This is a high-power xenon flash tube of the type that I use regularly for photo shoots for my Popular Science column. They are the most common type used in professional studio flashes.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: Donated
Size: 4"
Purity: <5%
Xenon Xenon discharge headlamp
3D3DXenon discharge headlamp.
This is one of those really annoying dazzling headlights you see on cars more expensive than yours. Unlike many you find on eBay it is an actual xenon arc discharge lamp, not a common xenon gas-filled incandescent bulb that many sellers misrepresent as being of this much more expensive type.
Source: eBay seller tjauto04
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $25
Size: 3"
Purity: <10%
Xenon Xenon short arc lamp and housing
3D3DXenon short arc lamp and housing.
This is a xenon short-arc tube mounted in its reflective housing. This must be one heck of a bright spot light! There are air vents that make it look like forced air cooling is required. See six samples back for an example of just the arc tube outside of its housing.
Source: eBay seller swliquidators
Contributor: Theodore Gray
Acquired: 24 March, 2009
Text Updated: 24 March, 2009
Price: $15
Size: 6"
Purity: 99%
Xenon Xenon incandescent headlamp
3D3DXenon incandescent headlamp.
eBay is full of "xenon headlamps" promoted as if they were the very expensive xenon short-arc headlamps popular in very expensive brands of car and unpopular with everyone else because they cause a lot of glare. But these inexpensive "xenon" lamps are just ordinary incandescent bulbs that are, possibly, filled with xenon gas (which is legitimately used for this purpose, it's just not the same thing as an arc discharge lamp).
These type of fake arc lamp is often wrapped in blue film to make the yellow incandescent light look more like the bright blue/white light from a true arc light.
Source: eBay seller bulbsgalore100
Contributor: Theodore Gray
Acquired: 17 April, 2009
Text Updated: 17 April, 2009
Price: $13
Size: 2"
Purity: <5%
Xenon Photo Card Deck of the Elements
3D3DPhoto Card Deck of the Elements.
In late 2006 I published a photo periodic table and it's been selling well enough to encourage me to make new products. This one is a particularly neat one: A complete card deck of the elements with one big five-inch (12.7cm) square card for every element. If you like this site and all the pictures on it, you'll love this card deck. And of course if you're wondering what pays for all the pictures and the internet bandwidth to let you look at them, the answer is people buying my posters and cards decks. Hint hint.
Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 19 November, 2008
Text Updated: 21 November, 2008
Price: $35
Size: 5"
Composition: HHeLiBeBCNOFNeNaMg AlSiPSClArKCaScTiVCrMn FeCoNiCuZnGaGeAsSeBrKr RbSrYZrNbMoTcRuRhPdAg CdInSnSbTeIXeCsBaLaCePr NdPmSmEuGdTbDyHoErTm YbLuHfTaWReOsIrPtAuHgTl PbBiPoAtRnFrRaAcThPaUNp PuAmCmBkCfEsFmMdNoLrRf DbSgBhHsMtDsRgUubUutUuq UupUuhUusUuo
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