国产欧美日韩亚洲精品区_中文字幕无码av波多野吉衣_国产免费内射又粗又爽密桃视频_亚洲精品国产a久久久久久_狠狠色噜噜狠狠狠狠7777米奇

  • 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 Compound
  • 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


老熟女hdxx老小配| 国内精品人妻久久毛片app| 国产精品久久久久久| 国产人妖在线免费观看| 加勒比中文无码久久综合色| 国产精品久人妻精品老妇| 熟女少妇在线视频播放| 欧美va亚洲va在线观看| 女人天堂av网址免费观看| 国产精品久久久久久久久人妻| 亚洲一区二区三区久久综合| 婷婷五月深深久久精品| 4hu四虎永久免费地址ww416 | 精品+无码+在线观看| 丁香色欲久久久久久综合网| 亚洲欧美日韩成人高清在线一区| 亚洲精品白浆高清久久| 日本强好片久久久久久aaa| 日本一区二区在线视观看| 亚洲欧洲日产国码高潮αv| 国产精品一区二区亚洲| 日木av无码专区亚洲av毛片| 亚洲中文在线一区二区| 18禁裸体女免费观看| 亚洲成av人片天堂网久久| 日韩午夜福利无码专区a| 北岛玲精品一区二区三区| 亚洲精品suv精品一区二区| 久久96热在精品国产高清| 日日躁夜夜躁狠狠久久av| 亚洲一区二区三区三区观看| 欧美日本免费一区二区三区| 久久久久久久无码高潮| 末发育娇小性色xxxxx| 亚洲不卡av一区二区三区| 粗大挺进尤物人妻中文字幕| 老色鬼永久精品网站| 亚洲女同精品中文字幕| 成人做爰视频www| 男女啪啪免费观看无遮挡| 国产精品无码av一区二区三区|