国产日韩一区二区三区在线播放,最穷的山村妇女做爰,国产无遮挡美女裸体免费网站,国产精品无码久久久久,久久不见久久见中文字幕免费

  • HOME
  • ABOUT
  • PRODUCT
  • NEWS
  • HONOR
  • MESSAGE
  • CONTACT
  • Product series
    The company mainly engaged in: electroplating raw materials, textile printing and dyeing, environmental protection sewage treatment, coating xiangsu, flocking materials, forest petrochemical, glass out building materials, edible chemicals, adhesives, electronic machinery and other chemical products

    Sodium pyrophosphate

    Sodium pyrophosphate

    詳細描述

    Details

    Product details:

    Sodium pyrophosphate, molecular Na4P2O7·10H2O, relative molecular weight 446.07. Also known as tetrasodium bisphosphate, there is no water and ten water. The aqueous substance is colorless or white crystalline or crystalline powder, anhydrous substance is white powder, soluble in water, insoluble in ethanol and other organic solvents. It has strong complexing ability with metal ions such as Cu2+, Fe meter and Mn2+, and the aqueous solution is stable below 70℃. After boiling, it is hydrolyzed into disodium hydrogen phosphate.

    blob

    Need to buy customers welcome to inquire:18015828251     QQ:2488095996



    Welcome online consultation

    High reputation/good reputation

    Sinopec Shanghai petrochemical, sichuan vinylon, Great Wall energy polyvinyl alcohol production in changzhou special dealers