For faster navigation, this Iframe is preloading the Wikiwand page for 砷酸钪.

砷酸钪

砷酸钪
识别
CAS号 15479-88-6(无水)  checkY
32825-50-6(二水)  checkY
性质
化学式 ScAsO4
摩尔质量 183.88 g·mol⁻¹
外观 白色晶体(2.5水)[1]
溶解性 难溶
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

砷酸钪是一种无机化合物,化学式为ScAsO4。它可由硝酸钪和砷酸氢二铵反应得到,[2]它的2.5水合物可从pH 2.0~7.1的溶液中沉淀出来,并于50~130 °C失去半分子水,得到ScAsO4·2H2O,在250~370 °C得到无水物。[1]其二水合物也能由氢氧化钪砷酸在25 °C反应得到。[3]它的溶度积(pKsp,c)为26.72±0.27。[4]

参考文献

  1. ^ 1.0 1.1 Komissarova, L. N.; Pushkina, G. Ya.; Khrameeva, N. P. Preparation and some properties of scandium arsenate dihydrate. Zhurnal Neorganicheskoi Khimii, 1971. 16 (6): 1538-1541. ISSN: 0044-457X.
  2. ^ Marcus Schmidt, Ulf Müller, Raul Cardoso Gil, Edgar Milke, Michael Binnewies. Zum chemischen Transport und zur Kristallstruktur von Seltenerdarsenaten(V). Zeitschrift für anorganische und allgemeine Chemie. 2005-05, 631 (6-7): 1154–1162 [2021-09-15]. ISSN 0044-2313. doi:10.1002/zaac.200400544. (原始内容存档于2021-09-15) (德语). 
  3. ^ Ivanov-Emin, B. N.; Korotaeva, L. G.; Moskalenko, V. I.; Ezhov, A. I. Scandium arsenates. Zhurnal Neorganicheskoi Khimii, 1971. 16 (11): 2925-2928. ISSN: 0044-457X.
  4. ^ F. Henry Firsching. Solubility products of the trivalent rare-earth arsenates. Journal of Chemical & Engineering Data. 1992-10, 37 (4): 497–499 [2021-09-15]. ISSN 0021-9568. doi:10.1021/je00008a028 (英语). 
{{bottomLinkPreText}} {{bottomLinkText}}
砷酸钪
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?