一本色道无码不卡在线观看-国产口爆吞精在线视频-免费观看又色又爽又黄的崩锅-精品国产乱码一区二区三区-中文字幕乱码人妻一区二区三区

  • 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: 国产精品丝袜亚洲熟女| 久久综合久久美利坚合众国| 亚洲性人人天天夜夜摸| 日本丰满熟妇bbxbbxhd| 久久欧美一区二区三区性生奴| 国产人与禽zoz0性伦| 亚洲精品午夜无码专区| 狠狠色丁香婷婷久久综合蜜芽| 国产日产欧产精品网站| 少妇熟女高潮流白浆| 曰韩无码二三区中文字幕| 欧美老人巨大xxxx做受视频| 国产精品视频一区二区三区不卡| 亚洲一区二区| 中国女人做爰视频| 亚洲a∨无码无在线观看| 富婆如狼似虎找黑人老外| 精品国产aⅴ一区二区三区| 国产成人av区一区二区三| 国产精品av一区二区三区不卡蜜 | 久久99热全是成人精品| 欧美成人看片黄a免费看| 给我免费的视频在线观看| 精品久久久久国产免费| 男女下面进入的视频| 久青草无码视频在线观看| 午夜福利视频网| 欧美精品久久久| 精品少妇爆乳无码aⅴ区| 久久婷婷人人澡人人喊人人爽| 国产精品无码av不卡| 十八禁无遮挡99精品国产| 亚洲精品乱码久久久久久自慰| 三级特黄60分钟在线播放| 久久久久无码国产精品一区| 人妻少妇精品无码专区| 欧美牲交a欧美牲交aⅴ| 国产女人被狂躁到高潮小说| 国产精品久久国产精麻豆99网站 | 久久av无码精品人妻系列| 日韩欧美在线综合网另类|