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platinum
Platinum is a chemical element with the symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name is derived from the Spanish term platino, meaning "little silver".Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements. It has six naturally occurring isotopes. It is one of the rarer elements in Earth's crust, with an average abundance of approximately 5 μg/kg. It occurs in some nickel and copper ores along with some native deposits, mostly in South Africa, which accounts for 80% of the world production. Because of its scarcity in Earth's crust, only a few hundred tonnes are produced annually, and given its important uses, it is highly valuable and is a major precious metal commodity.Platinum is one of the least reactive metals. It has remarkable resistance to corrosion, even at high temperatures, and is therefore considered a noble metal. Consequently, platinum is often found chemically uncombined as native platinum. Because it occurs naturally in the alluvial sands of various rivers, it was first used by pre-Columbian South American natives to produce artifacts. It was referenced in European writings as early as 16th century, but it was not until Antonio de Ulloa published a report on a new metal of Colombian origin in 1748 that it began to be investigated by scientists.
Platinum is used in catalytic converters, laboratory equipment, electrical contacts and electrodes, platinum resistance thermometers, dentistry equipment, and jewelry. Being a heavy metal, it leads to health problems upon exposure to its salts; but due to its corrosion resistance, metallic platinum has not been linked to adverse health effects. Compounds containing platinum, such as cisplatin, oxaliplatin and carboplatin, are applied in chemotherapy against certain types of cancer.As of 2018, the value of platinum is $833.00 per ounce.
Up for sale is my essentially new FA Brass Trim and Prep Center (only processed 100 223 cases). Also included is a 3d printed waste bin and upgraded RCBS Carbide cutter, chamfer, and deburr tools ($160 upgrade if you can find them in stock). The machine worked great - especially with the carbide...
These list for $274 dollars new , this one is only a year old and I have never used it yet. It seemed like a great thing to have for trimming bottle neck cartridge's, so I bought one but thats as far as I got to using it. I'll take a loss for $200 for anyone interested in it.
The Swiss Platinum Shooting Thaler was minted to commemorate one of the Schützenfest or free shooting tournaments held in various cantons within the Swiss Confederation.
Coins were minted between the years 1986 – 1991, which makes them extremely rare and highly collectable Platinum Coins.
Very...
Primary Arms Platinum 1-8x with Raptor M2 ACSS Reticle on a LaRue LT139 SPR-E mount. Excellent condition, I have bought and sold this scope like 6 times at this point to try other LPVOs, but this remains my all-time favorite LPVO. Ready to go to a new home so I can once again try out something...
Frankford Arsenal Platinum Series Hand Deprimer Tool
$26.81 (55% off) at Amazon
Deprime fired brass while you watch TV in your recliner
Frankford Arsenal Platinum Series Hand Deprimer Tool
This Sar 9 is the platinum grey color, it comes with the case and two 17 round magazines and a carbon fiber owb holster along with the panels for different grip sizes and some cleaning gear. It’s never been fired I’ve had it for less than a month. I’m getting rid of it because I bought a...
Sig Sauer Platinum Elite
Factory case
(2) 15 round mags
SRT trigger
Only a couple mags through.
I've had this pistol for sometime now and just seeing what trade offers I get on this beautiful piece. Very hard to come by, especially chambered in 9mm. This model has been Discontinued for the...
Like new Primary Arms Platinum Series DEKA MIL Japanese built long range precision rifle scope. Paid $1,499 from Primary Arms. Very nice glass compares to scopes costing 500-1000 more. Check the specs in the pictures. I used this scope 6 times. Was able to hit the mile target 3 of 3 shots with a...
Have a small lot for sale or trade.
Prices are in the pics with description.
$136 spot price for whole lot.
May trade for
-cci green tag 22lr ammo
-federal gold match 22lr ammo
-22-250 ammo
-223 ammo
-556 ammo
-9mm ammo
-45 acp ammo
-30.06 ammo
-AR parts
Let me know what you have.
I have the following up for trade.
- 1 gram Pamp Platinum Square
- .5 gram Perth Australian Gold Kangaroo Coin
Looking to trade for ammo or cash
-223
-556
-22mag
-22lr
P220 Elite Platinum in .45comes with the original box and two mags. The gun comes with 1700 rounds of mixed factory ammo.
I’m selling the Sig for a friend and he wants to sell it as a package
Primary Arms Platinum 1-8x mounted on a ZRODelta M4X 34mm mount with a MK Machining throw lever and Butler Creek lens caps. In perfect condition, I'm just trying to get into night vision. $1200. Willing to ship if necessary. Let me know if you have any questions. I can be reached at eight three...