午夜a视频-午夜a今-午夜a级片-午夜a级理论片在线播放-精品欧美成人高清在线观看2021-精品免费在线视频

  • 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: 亚洲免费视频一区| 免费国产精品视频| 姑娘视频日本在线播放| 99久久人妻无码精品系列性欧美| 在线亚洲欧洲福利视频| 一二三四免费观看在线6 | JIZZ学生13| 99国产精品人妻无码免费| 2021精品高清卡1卡2卡3麻豆| 在线精品国产成人综合第一页| 一天能看三次的含羞草传媒| 一个人免费观看视频www| 一个人视频在线观看中文| 午夜福利国产一级毛片| 深爱婷婷| 四虎精品影视| 四虎精品成人免费影视| 天天伊人| 亚洲 欧美 国产另类首页| 亚洲v日本v欧美v综合v| 亚洲精品国产福利| 又粗又大又硬又爽的免费视频| 中文在线最新版天堂8| 色一级| 四虎4hutv永久地址公告2022| 桃色视频破解版| 五月一区二区久久综合天堂| 亚洲成人网在线| 亚洲视频免费在线观看| 伊人小视频| 0855福利| 操老太太的逼| 国产人妻人伦精品熟女麻豆| 狠狠色狠狠色综合日日32| 久久青青草视频在线观| 欧美精品一区二区三区四区| 日韩欧美精品有码在线播放免费 | 九九热久久只有精品2| 乱码午夜-极品国产内射| 日本无翼恶漫画大全优优漫画 | 性感美女视频免费网站午夜|