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For white LEDs, a blue LED is used with a yellow phosphor, or with a green and yellow SiAlON phosphor and a red CaAlSiN 3-based (CASN) phosphor. [ 23 ] [ 24 ] [ 25 ] White LEDs can also be made by coating near-ultraviolet-emitting LEDs with a mixture of high-efficiency europium-based red- and blue-emitting phosphors plus green-emitting copper ...
Phosphorus is also an important component in steel production, in the making of phosphor bronze, and in many other related products. [ 120 ] [ 121 ] Phosphorus is added to metallic copper during its smelting process to react with oxygen present as an impurity in copper and to produce phosphorus-containing copper ( CuOFP ) alloys with a higher ...
Phosphor bronze propeller salvaged from 1940s American warship.. Phosphor bronze is a member of the family of copper alloys.It is composed of copper that is alloyed with 0.5–11% of tin and 0.01–0.35% phosphorus, and may contain other elements to confer specific properties (e.g. lead at 0.5–3.0% to form free-machining phosphor bronze).
With a gyromagnetic ratio 40.5% of that for 1 H, 31 P-NMR signals are observed near 202 MHz on an 11.7-Tesla magnet (used for 500 MHz 1 H-NMR measurements). Chemical shifts are typically referenced to 85% phosphoric acid, which is assigned the chemical shift of 0, and appear at positive values (downfield of the standard). [2]