成人国产在线不卡视频-成人国产在线观看-成人国产在线看不卡-成人国产在线视频-成人国产在线视频在线观看-成人国产综合

  • 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: 99在线精品国产不卡在线观看 | 男人亚洲天堂 | 日韩欧美伦理 | 手机看片日韩在线 | 日日摸天天看天天碰 | 国产高清美女一级a毛片久久w | 不卡视频在线观看 | 久久综合热88 | 成免费视频 | 日韩国产成人 | 国产精品毛片在线大全 | 国产免费青青青免费视频观看 | 日本不卡在线 | 欧美日韩在线亚洲国产精品 | 24小时日本在线www免费的 | sese在线视频 | 欧美最猛性xxxxx喷水 | 国产浮力影院 | 国产日本一区二区三区 | 国产在线免 | 99热久久国产精品免费观看 | 成人福利视频在线播放 | www.自拍偷拍.com | 国产成人精品本亚洲 | 日本91| 欧美成人午夜片一一在线观看 | 国产成人在线免费 | 日日影视| 成人在线综合 | 欧美成人高清 | 欧美在线播放 | 91综合精品网站久久 | 亚洲成人精品视频 | 韩国在线一区 | 91在线国内在线播放老师 | 亚洲精品九色在线网站 | 久草观看视频 | 视频二区国产 | 国产午夜亚洲精品一级在线 | 日本午夜影院 | 一区二区三区亚洲视频 |