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: 日韩欧美精品综合久久 | 天啪天天天天拍天天碰 | 丁香六月婷婷精品免费观看 | 夜夜操伊人| 欧美性巨大| 欧美日韩 国产区 在线观看 | 夜夜天天操 | 日日操操 | 午夜影视在线视频观看免费 | 天天干天天综合 | 美国黑人毛片 | 韩日毛片 | 天天看片天天爽国产在线 | 久久国产精品视频 | 香港激情黄三级在线视频 | 久久亚洲高清观看 | 色视网站 | 国产亚洲欧美在线视频 | 亚洲欧美国产一区二区三区 | 美女视频永久黄网站在线观看 | 一区二区视屏 | 国产青榴视频在线观看网站 | 色狠狠色综合久久8狠狠色 色狠狠综合 | 伊人久久大香线蕉观看 | 久久香蕉综合精品国产 | 亚洲国产系列久久精品99人人 | 男人边吃奶边做视频免费网站 | www.在线看 | 91chinese 永久免费 | 亚洲久久成人 | 一区二区久久 | 亚洲国产日韩成人综合天堂 | 国产在线观看91 | 在线精品欧美日韩 | 5g影院天天5g天天爽无毒 | 日韩精品视频一区二区三区 | 日本一区二区视频 | 亚洲国产精品大秀在线播放 | 色老头老太做爰视频在线观看 | 国产69精品久久久久9999 | 日韩欧美在线播放视频 |