在线播放五十路熟妇_4humm44四虎_美女被强遭高潮免费观看_国外AV网址在线观看

Barium carbonate
 
  SH No.: Barium carbonate
  Name:Barium carbonate
  CAS No.:513-77-9
  format:Analytical pure, technical pure
  Molecular formula:BaCO3
  Character: White fine crystal or white heavy powder. Relative density 4.43. Breaks down at about 1150℃, poorly soluble in water, soluble in weak acid solution. It is toxic.
 
  [Use]Used in steel, glass, pigment, enamel, paint, coating, welding rod, rubber, electronic and other industries.
[Packing]Woven bag lined with plastic bag, 25Kg/bag(or upon customers' reque