欧美人与动牲交zooz乌克兰丨免费拍拍拍网站丨亚洲中文字幕无码mv丨日本α片无遮挡在线观看丨野花社区免费观看在线www

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Specifications: according to customer requirements

  • Operate all kinds of rare earth wire materials,

    Processing nonferrous alloys and rare earth alloy wires and bars

    Implementation standards: customized according to customer requirements Quality system: ISO9001

    Applicable process: evaporation coating, ion sputtering

    Applicable process: evaporation coating, ion sputtering

Ammonium

Ammonium

  • Category:Vanadium Compound
  • Weight:0

Details:

Purity: 99.9%~99.99%

Properties: White powder

Molecular formula:NH4VO3

Molecular weight:116.98

Relative density :2.326

Melting point:200℃

 Characters: It is slightly Soluble icold water and hot ethanol. Soluble in hot water and ammonium hydroxide. It shall become vanadium pentoxide when burning in the air.

 Use: Mainly used in chemical reagent, catalyst, dryer, glaze for ceramic industry. 


主站蜘蛛池模板: 亚洲精品色午夜无码专区日韩| 无码一区二区三区不卡av| 久久精品人人做人人妻人人玩 | 国产在线拍揄自揄拍免费下载| 激情综合色五月丁香六月欧美| 中文在线中文资源| 国产福利一区二区三区在线观看 | 欧美男男大粗吊1069| 亚洲熟女乱色综合亚洲图片| 香蕉有码在线视频发布| 中文乱码在线中文字幕中文乱码| 免费观看男女性高视频| 夜夜添无码一区二区三区| 国内精品视频自在一区| 欧美不卡视频一区发布| 亚洲欧洲精品成人久久av18| 久久综合给久久狠狠97色| 精品av一区二区三区不卡| 午夜熟女插插xx免费视频| aa性欧美老妇人牲交免费| 狠狠色丁香婷婷久久综合蜜芽| 国产sm重味一区二区三区| 中国老太婆bb无套内射| 亚洲最大av无码国产| 国产精品久久久久电影院| 国产在线看片免费人成视频97| 法国白嫩大屁股xxxx| 亚洲国产成人精品无码区在线| 久久和欧洲码一码二码三码| 337p日本欧洲亚洲大胆艺术图| 女人大荫蒂毛茸茸视频| 国产亚洲aⅴ在线电影| 日本熟妇色xxxxx日本妇| 免费人成网站在线观看欧美| 天天澡天天添天天摸97影院| 四虎永久在线精品免费视频观看| 日韩加勒比一本无码精品| 日本一卡2卡3卡4卡免费精品 | 国产成人亚洲综合无码品善网| 最新的国产成人精品2020| 永久毛片全免费福利网站|