无套内谢的新婚少妇国语播放|无码特黄一级毛片免费视频播放|国产精品无码视频你懂的首页|国产啪精品视频网站免费尤物

  • 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

 Potassium

Potassium

  • Category:Vanadium Series
  • Weight:0

Details:

Purity: 98%-99%

Packaging: 25kgs per plastic bag in iron barrel

Molecular formula:KVO3

Molecular weight:138.04

Melting point:520℃

Appearance: white powder form.

Main Application: Mainly used for chemical reagent, catalyst, dryer, mordant

Specification

 

Brand

Purity (%min)

Chemical contents

 (%min)

Impurity contents

 (%, max)

Appearance

KVO3

V2O5

K2O

S

Na

Fe

White powder

 

98

64.5

33%

0.02

0.2

0.02


日本乱子伦一区二区三区| 清纯唯美经典一区二区| 亚洲精品无码久久久影院相关影片| 精品亚洲女同一区二区| 人人妻久久人人澡人人爽人人精品| 伊人成色综合网| 最新亚洲人成无码网www电影| 色丁狠狠桃花久久综合网| 欧美最猛性xxxxx大叫| 国产精品久久久久久久久久久不卡| 日韩国产成人无码av毛片蜜柚| 日韩精品不卡一区二区三区| 中文字幕中文乱码www| 久久精品超碰AV无码| 搡老熟女国产| 91全国偷拍免费视频| 精品亚洲麻豆1区2区3区| 日韩精品国产专区一区| 国产免费一区二区三区免费视频 | 醉酒后少妇被疯狂内射视频| 99e久热只有精品8在线直播| 久久久精品人妻一区亚美研究所 | 亚洲免费网站观看视频| 国产69精品久久久久人妻刘玥| 人与动人物xxxx毛片人与狍| 国产精品国产高清国产av| 中字幕视频在线永久在线观看免费| 成人无码在线视频网站| www成人国产高清内射| 男女啪啪免费体验区| 麻豆国产在线精品国偷产拍 | 狠狠躁夜夜躁人人躁婷婷视频| 免费a级毛片18禁网站app| 丁香五月激情综合国产| 国产麻豆黄色一级视频| 亚洲国产初高中生女av| 久久精品国产99国产精品亚洲| 丰满妇女毛茸茸刮毛| 日韩欧群交p片内射中文| 国产xxxx99真实实拍| 最新国产精品亚洲|