成人a毛片手机免费播放-成人a毛片在线看免费全部播放-成人a视频高清在线观看-成人a视频片在线观看免费-欧美三级中文字幕hd-欧美三极

Lithium Tungstate

Lithium tungstate is a kind of colorless triangular crystal with BeSiO3 crystal lattice. It is easily soluble in water and insoluble in ethanol. It is easy to decompose in acid.

Its CAS No. is 13568-45-1. Molecular formula is Li2OW4. Molecular weight is 261.72000. Density is 3.71g/mL (25/4 °C). Li2OW4 can be prepared by dissolving WO3 in Li (OH) or Li2CO3 solution.lithium tungstate picture
Li2OW4 is stable under room temperature and pressure. But, it should also avoid light, fire and high temperature. It should be sealed and stored in cool, ventilated and dry place. Be careful not to breathe dust. Skin and eye should not be exposed to dust. It is harmful to water so that you can not pour into environment without government's permission. It can be reducted into tungsten bronze by H2 under 500~800 degree celsius. WO2 is obtained after heating to 600 degree celsius. The final product is W.

More details, please visit:
http://tungstate.net/English/lithium-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