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 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


国产一区二区三区无码免费 | 久久99国产精品久久99果冻传媒| 欧美丰满妇大ass| 久久精品国产99精品国产2021| 亚瑟av亚洲精品一区二区| 色噜噜狠狠一区二区三区果冻| 久久久久久久久久久免费精品| 亚洲 欧美精品suv| 精品一区二区三区av天堂| 国产在线拍小情侣国产拍拍偷| 日韩欧美亚洲国产精品字幕久久久 | 久久国产劲爆∧v内射-百度| 成人无码av一区二区| 99久热在线精品视频观看| 国产精品人妻在线观看| 国内自产少妇自拍区免费| 精品人妻视频在线免费| 亚洲欧洲∨国产一区二区三区| 欧美亚洲高清国产| 性色av浪潮av色欲av| 亚洲av成本人无码网站| 波多野结衣在线精品视频| 亚洲av日韩专区在线观看| 欧美激情综合亚洲一二区| 久久天天躁夜夜躁狠狠躁2022| 车上震动a级作爱视频| 欧美最猛黑人xxxxx猛交| 亚洲精品拍拍央视网出文| 国产成人乱码一二三区18| 人妻少妇一区二区三区| 麻豆丰满少妇chinese| 亚洲日韩亚洲另类激情文学| 久久久噜噜噜久久| 日本少妇被黑人xxxxx| 亚洲成人自拍在线视频| 免费a片看黄网站www| 色五月婷婷成人网| 国产又黄又爽又色的免费视频| 亚洲精品午夜久久久伊人| 欧洲美妇乱人伦视频网站| 四虎成人精品永久在线视频|