Platinum

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Platinum has six naturally occurring isotopes: 190Pt, 192Pt, 194Pt, 195Pt, 196Pt, and 198Pt. The most abundant of these is 195Pt, comprising 33. 83% of all platinum. It is the only stable isotope with a non-zero spin. The spin of 1/2 and other favourable magnetic properties of the nucleus are utilised in 195Pt NMR. Due to its spin and large abundance, 195Pt satellite peaks are also often observed in 1H and 31P NMR spectroscopy (e. g. , for Pt-phosphine and Pt-alkyl complexes). 190Pt is the least abundant at only 0. 01%. Of the naturally occurring isotopes, only 190Pt is unstable, though it decays with a half-life of 6. 5×1011 years, causing an activity of 15 Bq/kg of natural platinum. 198Pt can undergo alpha decay, but its decay has never been observed (the half-life is known to be longer than 3. 2×1014 years); therefore, it is considered stable. Platinum also has 34 synthetic isotopes ranging in atomic mass from 165 to 204, making the total number of known isotopes 40. The least stable of these are 165Pt and 166Pt, with half-lives of 260 µs, whereas the most stable is 193Pt with a half-life of 50 years. Most platinum isotopes decay by some combination of beta decay and alpha decay. 188Pt, 191Pt, and 193Pt decay primarily by electron capture. 190Pt and 198Pt are predicted to have energetically favorable double beta decay paths.

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Beautiful Platinum Specimen | iRocks Fine Minerals
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Platinum - Minerals For Sale - #1901293
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Beautiful Platinum Specimen | iRocks Fine Minerals
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Platinum With Gold - TUC114-106 - Konder - Russia Mineral Specimen
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Platinum With Gold - TUC114-106 - Konder - Russia Mineral Specimen
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Platinum With Gold - TUC114-106 - Konder - Russia Mineral Specimen
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Platinum - Minerals For Sale - #1901255
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Chemical Elements - Platinum
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Platinum Mineral Specimen For Sale
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Platinum Goes Platinum - U.S. Global Investors
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Queens Beast White Lion Year 2021 | Platinum 1oz coin | Indigo - Indigo ...
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.4" 8.8ct Very Rare Shiny Silver PLATINUM NUGGET Salmon ...
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4 Platinum Uses for Investors to Know | Investing News Network
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Platinum Mineral Information photos and Facts, Natural ...
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Malleability in Chemistry Explained With Appropriate ...
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1 oz Platinum Bar - Mint Varies - SKU #61 | eBay
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Platinum price at 6-week high on deficit predictions ...
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World Platinum Investment Council
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History of Platinum as a Precious Metal Investment ...
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Umicore | Platinum
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Platinum /Gold Nuggets iridosamine | Collectors Weekly
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Looking for A Unique Investment? Consider Investing in ...
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How to Invest in Platinum ETFs
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Platinum Properties and Meaning + Photos | Crystal Information
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Platinum (Pt) Elements Specifications - Nanografi Nano ...
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Platinum: Is It Time To Add Platinum To The Portfolio ...
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Platinum Education: How to Buy Precious Metal Fine ...
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Platinum Mineral Specimen For Sale
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Platinum - Autocatalyst Use Will Drive Growth | Seeking Alpha
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Silver, Platinum Up 10% In 2016; Rally Has Legs - Barron's
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Glencore mulls future of platinum mine as commodity prices ...
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Zimbabwe signs $4.2bn Platinum deal With Pouroulis's Karo ...
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2016 Ford Explorer Platinum First Drive | Review | Car and ...
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Tharisa Expands into Zimbabwe's Platinum Mines | Umaizi
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Top 10 most expensive metals in the world
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2017 Toyota Sequoia 4x4 Platinum First Test: Size Matters ...
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