praseodymiums sentence in Hindi
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- Praseodymium makes up 1 part per trillion of seawater.
- There is almost no praseodymium in the atmosphere.
- However they were unable to make the cerium, praseodymium, and terbium nickelates.
- Mischmetal, used in making cigarette lighters, historically contained about 5 % praseodymium metal.
- Like most rare earth elements, praseodymium most readily forms trivalent Pr ( III ) ions.
- Many of praseodymium's industrial uses involve its use to filter yellow light from light sources.
- It is the most common of the lanthanides, followed by neodymium, lanthanum, and praseodymium.
- By contrast, at sufficiently high loadings, praseodymium glass is distinctly green, rather than pure yellow.
- However, this model fails to address superconductivity in the homologue Pr123 ( praseodymium instead of yttrium ).
- Praseodymium occurs in small quantities in Earth's crust ( 9.5 counter-current solvent extraction.
- Aqueous solutions of praseodymium ( III ) chloride can be used to prepare insoluble praseodymium ( III ) compounds.
- Aqueous solutions of praseodymium ( III ) chloride can be used to prepare insoluble praseodymium ( III ) compounds.
- The pressure-temperature phase diagram of americium is thus rather similar to those of lanthanum, praseodymium and neodymium.
- A typical composition includes approximately 50 % cerium and 25 % lanthanum, with small amounts of neodymium and praseodymium.
- Reason : + III is the standard oxidation state of praseodymium ( as of all rare earths except Ce ).
- Moser also blended praseodymium with neodymium to produce " Heliolite " glass ( " Heliolit " in German ), which was more widely accepted.
- The actual ratio of praseodymium to neodymium varies somewhat depending on the source of the mineral, but it is often around 1 : 3.
- The primary decay products before 142 Nd are element Pr ( praseodymium ) isotopes and the primary products after are element Pm ( promethium ) isotopes.
- Thulium doped fibre amplifiers have been used in the S-band ( 1450 1490 nm ) and Praseodymium doped amplifiers in the 1300 nm region.
- In 1885, the Austrian chemist Baron Carl Auer von Welsbach separated didymium into two salts of different colors, which he named praseodymium and neodymium.
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