• <source id="ugamm"></source>
    <samp id="ugamm"></samp>
    <li id="ugamm"></li>
    <rt id="ugamm"></rt>
  • <table id="ugamm"></table>
    <button id="ugamm"><th id="ugamm"></th></button>
      日韩综合,国产女同疯狂摩擦奶6,伊人网综合,h片无码,人妻狠狠操,无码日韩精品一区二区免费96,2025无码,日韩性色

       

      Tetraethylammonium bromide

      Update time:2021/11/05 13:47:11  ???View:  
      Tetraethylammonium bromide is an organic substance with the chemical formula (C2H5)4NBr, white crystals. Easy to absorb moisture. Easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, solubility in water: 2795 g/L (25°C). It is irritating.
      Used as a reagent for polarographic analysis reagents and pesticide intermediates
      Chinese name: 四乙基溴化銨
      Foreign name Tetraethylammonium bromide
      Don't  Name: Tetraethylammonium bromide, tetraethylammonium bromide
      Chemical formula (C2H5)4NBr  Molecular weight 210.155  CAS accession number 71-91-0
      Melting point: 285 ℃, water soluble and easy to dissolve, density 1.397 g/cm3. Appearance: white crystal
      Character description

      White crystals. Easy to absorb moisture. Easily soluble in water, ethanol, chloroform and acetone, slightly soluble in benzene, water solubility: 2795 g/L (25°C). The pH of the 10% aqueous solution is 6.5, and the pH does not change when heated to 95°C for 28 hours. It is irritating.
      Purpose
      For ion pair chromatography. Test gold, iridium, osmium, palladium, rhodium and ruthenium. Polarographic analysis. Used as a phase transfer catalyst in organic synthesis.
      Storage and transportation are easy to absorb moisture, sealed and kept dry.
      ------分隔線----------------------------

      Service Hotline:

      You only need a phone call, we will serve you attentively

      Consult now
      Copyright © Shandong Zhengji Chemical Co., Ltd.  All Rights Reserved   Case Number :魯ICP備20007847號-4 chemBlink Premium Supplier
      主站蜘蛛池模板: 国产精品成人无码久久久| 亚洲熟妇少妇任你躁在线观看无码| 国产男女猛烈无遮挡免费网站| 日韩精品人妻中文字在线| 亚洲av色香蕉一区二区| 国产一区二区日韩在线| 中文字幕一区二区三区擦澡| 黄色国产在线| 加勒比无码一区二区三区| 网友自拍人妻一区二区三区三州| 手机看片欧美日韩| 昂仁县| AV在线亚洲欧洲日产一区二区| 日韩精品人妻中文字幕有码| 常山县| 武装少女在线观看高清完整版免费| 四虎永久免费高清视频| 久久久久久久人妻无码中文字幕爆| 精品人妻一区二区三区-国产精品| 亚洲综合免费| 欧美第3页| 综合一区二区| 国产日产亚洲系列最新| 亚洲精品无| 亚洲成人资源在线| 秋霞午夜成人无码精品| 67194欧洲| 丰满少妇高潮在线观看| 人妻无码熟妇乱又伦精品视频| 日韩激情视频| 亚洲男人的天堂久久精品| 欧美牲交a免费| 成人免费亚洲av在线| 国产菊爆视频在线观看| 大香蕉综合网| 67194熟妇在线观看线路| 少妇熟女久久综合网色欲| 中文字幕丅V在线观看| 99精品视频在线| 浮妇高潮喷白浆视频| 国产超高清麻豆精品传媒麻豆精品|