偷拍 凸隐 视频 播放_仙踪林国精产品视频_亚洲日韩精品av无码麻豆_最原始进入静静的大肠_宝贝屁股翘起来浪一点_办公室强肝的播出方式与评价_欧美人禽zozσ伦交_长篇乱肉合集乱500小说_ysl口红水蜜桃色号60601

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: [email protected]
舊版