无码精品一区久久久台湾,男人女人天堂AV,成人一级黄色片无码,av一区二区三区一天,97超碰电影

ABOUT US PRODUCTS NEWS CENTER CULTURE CONTACT US 中文版

     Potassium permanganate 

    Potassium permanganate

    Chongqing Jialing Potassium permanganate   Potassium permanganate price quotations Potassium permanganate production unit 99.3% Domestic 50kg/bag

    CAS No.:  7722-64-7
    Appearance and properties: Modena slender rhombic columnar crystal with metallic luster.   
    Relative density (water=1): 2.7

    Potassium permanganate crystal isa common strong oxidant and atropurpureus flake crystal at room temperature. Easy to decompose under light: 2KMnO(s)—hv→K2MnO?(s)+MnO(s)+O?(g), so it should be stored in a cool and dark place and keep away from combustible materials and metal powder. Potassium permanganate has wide application scope. It is used as disinfectant and bleaching agent in industry. For having strong oxidizing property and bright color solution, it is used for substance identification. Acidic potassium permanganate solution is an important reagent of redox titration. In medicine, it can be used in disinfection and gastric lavage.


    Copyright(C)2019 , Jinan Shijitongda Chemical Co.,Ltd. All Rights Reserved.  Supported by  ChemNet  ChinaChemNet Toocle Copyright Notice
    日韩成人av在线| 99大香蕉视频在线| 少妇性爱在线视频| 91无码精品视频| 欧美一级黄色大片视频| ww.射| 日韩久草av| 五月激情无码| 色日本五月天| 超碰在线天天干比| GOGO高清无码视频| 8090久久| 精品一区二区三区av| 色网小视频| 无码A片免费| 97中文字幕一区| a片视频在线网| 日韩AV电影导航| 蜜桃AV超碰| 六月天无码网站| 日韩高清AV| 亚洲AV中文在线| 无码久久任你操| 色五月天AV| www.日韩AV| av簧片网站| 亚洲超碰无码| 日韩AV在线播放器| av在线免费观看网址| AV片播放| 欧美一级特黄AAA毛片| 亚洲日韩精品Aⅴ| 91色情片| 久久爱情毛片| 超碰免费福利在线| 欧美成人aaaa| 成人电影1区| 日韩三级片AV网站| AV动漫不卡无码免费| aV成人无码电影| 日韩无码颜射口交一区|