美国一级毛片免费看-美国一级毛片免费看成人-美国一级毛片免费视频观看-美国一级毛片片aaa-天天操夜夜操天天操-天天操夜夜操视频

  • 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: 日韩精品欧美亚洲高清有无| 在线观看视频一区二区| 成人午夜视频免费| 国产精品路线1路线2路线| 国产情侣自拍小视频| 国产亚洲一级精品久久| 国产精品视频公开费视频| 国产精品免费一区二区三区| 国产的鲁啊鲁| 97人人爱| 成年美女黄| 亚洲一区中文字幕在线观看| 亚洲国产精品自产在线播放| 午夜视频免费国产在线| 色婷婷亚洲精品综合影院| 欧美一欧美一区二三区性| 免费精品美女久久久久久久久| 久久综合五月开心婷婷深深爱| 精品国产一区二区三区不卡| 国产区更新| 9久久免费国产精品特黄| 夜夜未满十八勿进的爽爽影院| 亚洲成a人片在线网站| 亚洲综合色一区二区三区另类| 午夜视频免费观看| 欧美日韩亚洲国产一区二区综合 | 91视频精品| 唯美久草| 亚洲精品国产精品乱码不97| 色99视频| 久久精品影院永久网址| 国产手机在线| 91麻豆精品国产高清在线| 中文字幕一二三四区| 天天综合天天做天天综合| 欧美一卡2卡三卡四卡五卡| 久久成人激情视频| 国产精品久久久久久一区二区三区| 91在线视频免费观看| 一区二区手机视频| 日本一区二区三区四区五区|