亚洲成色www久久网站夜月-日日噜噜夜夜狠狠久久丁香五月-欧洲熟妇色xxxx欧美老妇软件-在教室伦流澡到高潮hnp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: 色婷婷综合久久久中文字幕| 亚洲欧美在线x视频| 真实单亲乱l仑对白视频| 亚洲精品456在线播放| 精品一区二区三区在线观看视频| 无码手机线免费观看| 曰韩无码av一区二区免费| 国产成人综合亚洲看片| 欧美国产综合欧美视频| 国产av日韩a∨亚洲av电影| 国产无遮挡吃胸膜奶免费看 | 玩弄丰满少妇xxxxx性多毛| 伊人色综合久久天天| 久久久亚洲精华液精华液精华液 | 色av永久无码影院av| 无套内谢老熟女| 人人狠狠综合久久亚洲| 久久久综合九色综合鬼色| 美女扒开大腿让男人桶| 大伊香蕉精品一区视频在线| 国产欧美日韩精品丝袜高跟鞋| 久久99精品久久久久久噜噜| 日本道色综合久久影院| 又爽又黄又无遮挡网站动态图| 狠狠躁夜夜躁人人躁婷婷视频| 国产精品涩涩涩视频网站| 国产无人区码卡二卡三卡| 欧美交换配乱吟粗大| 国产激情一区二区三区| 久久婷婷国产综合精品| 久久综合九色综合欧美就去吻| 日本japanese丰满少妇| 一本一道波多野结衣av中文| 怡红院a∨人人爰人人爽| 亚洲欧美人成网站在线观看看| 日本欧美视频在线观看| 麻豆产精国品一二三产区区| 国产精华最好的产品入口| 国产日韩av免费无码一区二区三区 | 久久99亚洲网美利坚合众国| 一本色道久久88综合日韩精品|