美国一级毛片免费看-美国一级毛片免费看成人-美国一级毛片免费视频观看-美国一级毛片片aaa-天天操夜夜操天天操-天天操夜夜操视频

  • 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

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: 成人小视频网 | www.色呦呦.com | 四虎必出精品亚洲高清 | 色涩网站在线观看 | 欧美黑人巨大xxxxxxxx | 91不卡视频| 亚洲94vvv男人的天堂五月 | 亚洲精品国自产拍影院 | 欧美黄色a级片 | 国产美女网 | www久久精品| 在线小视频国产 | 国产激情在线 | 男人让女人爽的免费视频 | 五月伊人网 | 亚洲性片| 欧洲视频一区 | 在线观看91精品国产不卡免费 | 九九色综合 | www.午夜精品 | 国产精品久久久久影院色 | 草草线在成年免费视频网站 | 国产成人精品三级 | 国产一区视频在线免费观看 | 四虎影视永久在线观看 | 9299yy看片淫黄大片在线 | 日韩一区二区三区免费视频 | 天天操天天干天天插 | 国产日韩欧美一区二区三区视频 | 在线观看网站黄 | 色噜噜狠狠狠综合曰曰曰88av | 伊人久久综在合线亚洲91 | 丁香六月婷婷 | 97精品国产自在现线免费观看 | 伊人精品视频在线 | 97精品国产自在现线免费观看 | 中文字幕国产精品 | 国产区视频在线观看 | 色播六月| 精品国产一区二区三区不卡 | 国产亚洲综合精品一区二区三区 |