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Europium(II) fluorida

Europium(II) fluorida
Nama
Nama IUPAC
Europium(II) fluorida
Nama lain
Europium difluorida
Penanda
Model 3D (JSmol)
3DMet (({3DMet))}
ChemSpider
Nomor EC
Nomor RTECS (({value))}
  • InChI=1S/Eu.2FH/h;2*1H/q+2;;/p-2
    Key: YLDGIMHVWSTRML-UHFFFAOYSA-L
  • F[Eu]F
  • [F-].[F-].[Eu+2]
Sifat
EuF2
Massa molar 189,96
Penampilan Padatan kekuningan tua[1]
Densitas 6,495 g·cm−3
Struktur[2]
Struktur fluorit
Fm3m (No. 225)
a = 584,23 pm
4
Bahaya
Piktogram GHS GHS06: Beracun
Keterangan bahaya GHS (({value))}
H301
P264, P270, P301+310, P321, P330, P405, P501
Senyawa terkait
Anion lain
Europium(II) bromida
Europium(II) klorida
Europium(II) iodida
Kation lainnya
Samarium(II) fluorida
Tulium(II) fluorida
Iterbium(II) fluorida
Senyawa terkait
Europium(III) fluorida
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa).
Referensi

Europium(II) fluorida adalah sebuah senyawa anorganik dengan rumus EuF2. Senyawa ini pertama kali disintesis pada tahun 1937.[1]

Europium(II) fluorida dapat diproduksi dengan mereduksi europium(III) fluorida dengan logam europium atau gas hidrogen.[3]

Europium(II) fluorida merupakan padatan berwarna kekuningan cerah dengan struktur fluorit.[3]

EuF2 dapat digunakan untuk mendoping beberapa senyawa fluorida tanah jarang trivalen, seperti LaF3, untuk membuat struktur yang diisi kekosongan dengan peningkatan konduktivitas di atas kristal murni. Kristal semacam ini dapat digunakan sebagai membran semipermeabel dalam elektroda selektif fluorida untuk mendeteksi sejumlah kecil fluorida.[4][5]

Referensi

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  1. ^ a b Zhao Yongzhi, Ma Ying, Hou Shaochun, Zhang Wenjuan, Wang Jingjing, Ding Yanrong, Hao Yifan. 氟化亚铕研究现状 (terj. har. Kemajuan Penelitian Europium(II) Fluorida). Chinese Rare Earths, 2017. 38 (5): 134-140. (dalam bahasa Tionghoa)
  2. ^ Greis, Ortwin; Haschke, John M. (1982). "Chapter 45 Rare earth fluorides". Handbook on the Physics and Chemistry of Rare Earths Volume 5. Elsevier. hlm. 387–460. doi:10.1016/s0168-1273(82)05008-9. ISSN 0168-1273. 
  3. ^ a b Georg Brauer: Handbuch der Präparativen Anorganischen Chemie. 3., umgearb. Auflage. Band I. Enke, Stuttgart 1975, ISBN 3-432-02328-6, S. 255.
  4. ^ Light, Truman S.; Cappuccino, Carleton C. (April 1975). "Determination of fluoride in toothpaste using an ion-selective electrode". Journal of Chemical Education. 52 (4): 247–250. Bibcode:1975JChEd..52..247L. doi:10.1021/ed052p247. PMID 1133123. 
  5. ^ Frant, Martin S.; Ross, James W. (23 Desember 1966). "Electrode for Sensing Fluoride Ion Activity in Solution" (PDF). Science. 154 (3756): 1553–1555. Bibcode:1966Sci...154.1553F. doi:10.1126/science.154.3756.1553. JSTOR 1720460. PMID 5924922. 
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Europium(II) fluorida
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