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 Series
  • 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: 国内精品免费麻豆网站91麻豆 | 一色屋成人免费精品网站 | 丁香婷婷久久大综合 | 欧美日韩一区二区三在线 | 久久精品麻豆 | 一区二区三区在线播放视频 | 日本一区二区高清不卡 | 九九午夜 | 久久99国产亚洲精品 | 欧美一区二区三区激情啪啪 | 亚洲伦理中文字幕一区 | 国产吧在线视频 | 国产在线一区二区三区在线 | 国产综合精品一区二区 | 欧美成a人免费观看久久 | 日韩色在线 | 亚洲一级毛片 | 色友视频| 精品日韩一区二区三区 | 天堂成人在线观看 | 欧美在线观看黄色 | 91网站在线免费观看 | 色多多成视频人在线观看 | 一本大道久久a久久综合 | 婷婷香蕉| 精品一区二区三区18 | 欧美另类丰满69xxxxx | 国产欧美另类久久久品 | 9re视频这里只有精品 | 激情福利视频 | 青青草97国产精品免费观看 | 91久久国产综合精品女同我 | 特黄未满14周岁毛片 | 久久精品国产大片免费观看 | 国产精品久久久久久一区二区 | 欧美三级黄色 | 国产一区二区在线观看免费 | 日一区二区三区 | 91免费资源网站入口 | 国产精品无码久久综合网 | 性欧美xxxx视频在线观看 |