Sumo pfupi
Zita rechigadzirwa: Praseodymium
Formula: Pr
Nhamba yeCAS: 7440-10-0
Molecular uremu: 140.91
Density: 6.71 g/mL pa25 °C
Kunyungudika: 931 °C
Chimiro: 10 x 10 x 10 mm cube
Material: | Praseodymium |
Kuchena: | 99.9% |
Atomic nhamba: | 59 |
Density | 6.8 g.cm-3 pa20°C |
Melting point | 931 °C |
Bolling point | 3512 °C |
Dimension | 1 inch, 10mm, 25.4mm, 50mm, kana Customized |
Application | Zvipo, sainzi, zviratidzo, muunganidzwa, kushongedzwa, dzidzo, tsvakiridzo |
Praseodymium isimbi yakapfava, ine sirivha-yellow. Iyo inhengo yeboka relanthanide yeperiodic tafura yezvinhu. Inopindirana zvishoma nezvishoma neoxygen: kana yaiswa kumhepo inoumba green oxide isingaidzivirire kubva kune imwezve oxidation. Iyo inoshingirira mukuora mumhepo mamwe masimbi asingawanzo, asi ichiri kuda kuchengetwa pasi pemafuta kana kuputirwa nepurasitiki. Inoita nekukurumidza nemvura.
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