For faster navigation, this Iframe is preloading the Wikiwand page for 硫酸镨.

硫酸镨

硫酸镨
IUPAC名
硫酸镨(III)
识别
CAS号 13510-41-3(无水)  checkY
10277-44-8(八水)  checkY
PubChem 165851

25022097 (八水)
ChemSpider 145346
SMILES
 
  • [O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Pr+3].[Pr+3]
InChI
 
  • 1S/3H2O4S.2Pr/c3*1-5(2,3)4;;/h3*(H2,1,2,3,4);;/q;;;2*+3/p-6
InChIKey HWZAHTVZMSRSJE-UHFFFAOYSA-H
EINECS 233-622-8
性质
化学式 Pr2(SO4)3
Pr2(SO4)3·nH2O, n=2,5,8
摩尔质量 570.00 g/mol
714.12 g/mol (八水) g·mol⁻¹
外观 绿色晶体(八水)
密度 3.72 g/cm3[1]
熔点 1010 °C (分解)[1]
溶解性 113.0 g/l (20 °C)
108.8 g/l (25 °C)
危险性
警示术语 R:36/37/38
安全术语 S:26–36
欧盟编号 233-622-8
主要危害 Xi
闪点 不可燃
相关物质
其他阴离子 碳酸镨
氯化镨
其他阳离子 硫酸铈
硫酸钕
相关化学品 氧化镨
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫酸镨是一种无机化合物化学式为Pr2(SO4)3。它是无嗅的亮绿色晶体。它易吸水,形成五水合物和八水合物。[1]

制备

[编辑]

三氧化二镨溶于硫酸,从溶液中可以结晶出八水合硫酸镨。产物可以在有机溶剂中经过“蒸发-再溶解”提纯。[2]

性质

[编辑]

硫酸镨在标况下稳定。水合物加热失水并变得略白。和其他稀土金属硫酸盐一样,其溶解度随着温度升高而减小,借此可以分离稀土和非稀土的化合物。

参考资料

[编辑]
  1. ^ 1.0 1.1 1.2 National Research Council (U.S.). Bulletin of the National Research Council. National Academies. 1919: 3– [14 November 2011]. NAP:12020. (原始内容存档于2014-10-19). 
  2. ^ Y.-Q. Zheng, Y.-J. Zhu and J.-L. Lin. Redeterminaton of the crystal structure of praseodymium sulfate octahydrate, Pr2(SO4)3·8H2O. Zeitschrift für Kristallographie. New crystal structures. 2002, 217: 299–300.  PDF copy[永久失效連結]
{{bottomLinkPreText}} {{bottomLinkText}}
硫酸镨
Listen to this article

This browser is not supported by Wikiwand :(
Wikiwand requires a browser with modern capabilities in order to provide you with the best reading experience.
Please download and use one of the following browsers:

This article was just edited, click to reload
This article has been deleted on Wikipedia (Why?)

Back to homepage

Please click Add in the dialog above
Please click Allow in the top-left corner,
then click Install Now in the dialog
Please click Open in the download dialog,
then click Install
Please click the "Downloads" icon in the Safari toolbar, open the first download in the list,
then click Install
{{::$root.activation.text}}

Install Wikiwand

Install on Chrome Install on Firefox
Don't forget to rate us

Tell your friends about Wikiwand!

Gmail Facebook Twitter Link

Enjoying Wikiwand?

Tell your friends and spread the love:
Share on Gmail Share on Facebook Share on Twitter Share on Buffer

Our magic isn't perfect

You can help our automatic cover photo selection by reporting an unsuitable photo.

This photo is visually disturbing This photo is not a good choice

Thank you for helping!


Your input will affect cover photo selection, along with input from other users.

X

Get ready for Wikiwand 2.0 🎉! the new version arrives on September 1st! Don't want to wait?