praseodymium उदाहरण वाक्य
उदाहरण वाक्य
- 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.