亚洲欧洲日韩一区二区三区_亚洲成人无码网站在线观看_国产欧美日韩四季色欲_kk久精品毛片A级蜜桃_国产sm一区二区视频_亚洲AV偷窥自拍_含羞草视频下载污_中文字幕精品亚洲字幕资源网_欧美手机午夜久久网_正在播放美乳高潮在线

Cerium Tungstate

Cerium tungstate, also called cerium tungsten oxide (REO), is a yellow tetragonal crystal that is stable at normal temperature and pressure. Its CAS number is 13454-74-5; Molecular formula is Ce2O12W3; Molecular weight is 1023.74000; Relative density is 6.77g/mL (25/4°C); Melting point is 1089°C. It is insoluble in water. It is ferromagnetic below 30K.?cerium tungstate picture
Ecological data
Usually it is not hazardous to water. However, on the basis of the principles of environmental protection, please do not discharge into environment without government's permission.

Storage Method
It should be stored at room temperature and in an airtight, cool, ventilated and dry place. It must avoid contact with acid, alkali and other corrosive materials.

Producing Method
Mix Ce2O3, CeO2 and WO3 together and then heat to obtain cerium tungstate.

Toxicology Data
1. Acute toxicity.
Above the skin: Irritate skin and mucous membranes;
Above the eyes: The effects of irritation; No known effects of sensitization.
2. Sensitization.
It may cause sensitization by inhalation and skin contact.

More details, please visit:
http://tungstate.net/english/cerium-tungstate.html

Comments are closed.

Address: 3F, No.25-1 WH Rd., Xiamen Software Park Ⅱ, FJ 361008,China Copyright ? 1997 - 2025 CTIA All Rights Reserved
Phone:+86-592-5129696,+86-592-5129595;    Email: sales@chinatungsten.com
舊版