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

Home >Minor metals >Rare Earth products >Praseodymium oxide
Praseodymium oxide

Praseodymium oxide

  • Category:Rare Earth products
  • Weight:0

Details:

Praseodymium oxide

CAS No.:12036-32-7

Purity: Pr2O3/TREO 99.9%~99.99%

Density:6.88g/cm3

Melting point:2042℃

Appearance: black brown powder

Characters: It is black brown powder, insoluble In water, but soluble in acid. It has good conductivity

Packaging:25kgs per sealed plastic bag in barrel


主站蜘蛛池模板: 国产精品免费视频播放| 成年人福利视频| 涩涩涩涩涩涩涩涩涩涩| 国产伦精品一区二区三区视频小说| 亚洲午夜精品aaa级久久久久| 韩国免费一级成人毛片| 亚洲天堂图片| 国产精品毛片一区二区三区| 婷婷丁香四月| vvvv98国产成人综合青青| 欧美久| 国产欧美精品区一区二区三区| 亚洲一片| www.日韩三级| 久久性色| 亚洲人成人| 成人午夜视频免费| 另类视频色综合| 伊人网综合网| 国产成人盗拍精品免费视频| 亚洲精品在线播放视频| 国产精品免费看| 欧美亚洲综合一区| 在线亚洲欧美性天天影院| 麻豆国产视频| 亚洲伊人久久网| 大量出精汇编免费看| 久久综合久| 亚洲欧美激情在线| www.xxxx欧美| 激情六月天婷婷| 日本特级a禁片在线播放| 337p欧美超大胆日本人术艺术| 激情小视频| 欧美视频在线看| 永久免费在线观看视频| 国产xxx在线| 精品视频专区| 欧美在线观看www| 一级一级特黄女人精品毛片 | 嫩草精品|