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This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.
For example, a N2.0 gas is 99% (two nines) pure and 1% impurities by volume; a N6.0 gas is 99.9999% (six nines) pure, with 1 part per million (1 ppm or 1 vpm, volume per million) impurities. [7] Intermediate values indicate the digit following the last nine. For example, N4.6 estimates a purity level of 99.996% (four nines followed by a six). [7]
Nine (purity), an informal way of ranking purity; "three nines" would be 99.9% pure "Three nines" as a level of high availability (99.9%) Triple Nine Society, a society for people with IQs in the 99.9th percentile
The digital TV transmissions' Service Level Availability (SLA) currently stands at a 99.9% coverage rate. [3] The first trial broadcasts of digital TV started in 2006 by a government-owned television broadcaster Radio Televisyen Malaysia (RTM). Some local TV channels have been broadcasting shows in HD for special occasions since 2008.
The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences.
Ninety-one (91) zolotniks have the equivalent millesimal fineness of 947[9]. Thus, the alloy contains 94.79% pure silver and 5.21% copper or other metals. [4] [5] Sterling silver has a millesimal fineness of 925. The sterling silver alloy is 92.5% pure silver and 7.5% copper or other metals.
The CuOFP capsule used as overpack for spent nuclear fuel disposal in the KBS-3 concept (Swedish version). Oxygen-free copper (OFC) or oxygen-free high thermal conductivity (OFHC) copper is a group of wrought high-conductivity copper alloys that have been electrolytically refined to reduce the level of oxygen to 0.001% or below.
This is a list of assets currently or formerly owned by The Walt Disney Company, unless otherwise indicated. [ 1 ] As of October 2024, Disney is organized into three main segments: Disney Entertainment which includes the company's film and TV assets as well as streaming; ESPN (including ESPN+ ); and Disney Experiences .