五月天婷婷社区-五月天婷婷视频在线观看-五月天婷婷网亚洲综合在线-五月天婷婷网站-性欧美精品久久久久久久-性欧美久久

  • 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

Tellurium powder

Tellurium powder

  • Category:Tellurium Powder
  • Weight:0

Details:

CAS No.: 13494-80-9

Purity: 99.99%

Particle size: 100-325 mesh 

Molecular weight:127.60

Appearancegray powder

Melting point:452℃

Boiling point:1390℃

Relative density:6.25

Packaging: 1kg per vacuum packing

Characters: It is insoluble in water and carbon disulfide, but soluble in sulfuric acid, nitric acid, aqua regia, potassium cyanide and potassium hydroxide



主站蜘蛛池模板: 天天综合在线视频| 91香蕉视频苹果| 国产在线观看一区二区三区四区 | 成人午夜免费视频| 亚洲成av人片天堂网| 精品一区二区在线欧美日韩| 青青草国产免费一区二区| 黄a视频| 国产精品入口麻豆免费看| 日韩黄色网| 国产精品成人久久久久| 免费一级毛片在线播放视频| 日韩视频在线一区| 国产欧美一级片| 毛片在线不卡| 亚洲韩国日本欧美一区二区三区| 古代级a毛片在线| 久久精品午夜| 三级全黄的全黄三级三级播放| 黄网站色成年片在线观看| 亚洲天堂ww| 久久久久久精| 亚洲激情成人网| 亚洲视频在线观看免费视频| 波多野结衣免费一区二区三区香蕉| 有人有片的观看免费视频| 色视频国产| 久久99精品国产麻豆不卡| 日日干天天插| 91短视频版在线观看免费大全| 最近中文字幕国语免费完整| 日本三级免费片| 免费成人高清| 国产午夜大片| 成人性生活视频| 亚洲不卡在线| 午夜剧院官方| 福利在线免费视频| 免费色片网站| 美女视频ww8888网网| 在线 你懂|