在线观看 av中文字幕_精品人成视频免费国产_国产美女遭强高潮开双腿_在线看片日韩无线免费

Barium sulfate
 
  SH No.: Barium sulfate
  Name:Barium sulfate
  CAS No.:7727-43-7
  format:Analytical pure, chemical pure, pharmaceutical grade
  Molecular formula:BaSO4
  Character: White crystalline powder. Relative density4.50.Melting point 1580℃(1200℃ decompose). Insoluble in ethyl alcohol, water, acid and caustic alkali.
 
  [Use]Used for analytical reagent, it can also be used in electronic, metallurgy, instrument and pharmaceutical industry.
[Packing]Woven bag lined with plastic bag, 25Kg/bag(or upon customers